If you want to store the styrofoam in a smaller volume, use a vacuum cleaner when you close the trash bag (put a cloth over the vacuum hose). It will vacuum seal it to save space.
i have i idea how to put a lot of Styrofoam very fast with out spiling it out 0% goes out but i don have the capital to do it not sure how to discribe it i can draw it and try to explain it. diferent form but. a very practical one maybe use use a 50 meter long nylon bag as an anaconda serpentine where you already put all the Styrofoam you just break it there where you pick it up it enters like an anaconda in the car then the inlet is just for the diameter of the shelf you tie it with An elastic rope is well sealed and moves all the material like a pumping anaconda. It does not have to be a very very thick bag, maybe a transparent one and easy to move the material inside from the outside.
I can't wait for your next video! Thank you so much for this. I love the straight forward, articulate way you speak and describe your process. Please do a video on your mixture ratios, type of cement ect. Thanks so much!
@@AbundanceBuild May I suggest at least one additional possible improvement, would be to add the leaf vac/blower at the outlet of the mower. To increase vacuum pressure and for its impeller to reduce the particle size. If your at all interested in implementing this idea or a few others the I have feel free to ask. But either way I plan to watch your future posts on this subject, since I just subscribed. Good luck.
You are building lots of Tribo-charged particles see timestamp 9:26 Judging from styrofoam sticking to the garage doors I'd 15KV to 30KV+ buildup. At the very least take the spiral wire in the hose and ground it to the steel barrel and the ground pin of your power outlet. The lower the relative humidity (ie. winter) the higher the charge will get until it arcs. A grounded steel barrel on the input side would help mitigate buildup some. Try some active AC Ionization if it gets really bad. Good Luck!
@redbeard. Seconded. Polystyrene shredders have been known in industry to cause dust explosions and considering that petrol and polystyrene are the components of Napalm B, one should not treat this lightly. Electrically bonding / grounding that flexi duct is imperative. Notorious in the dust handling industry for generating large potentials and acting like a very basic capacitor due to the plastic-metal-plastic thin layering of the encapsulated wire. Yep I’d use it to bond the metal drum to the metal body of the lawnmower and then bond to earth via something metal buried deeply into the ground with an impedance of less than 20 Ohms. Chances of this happening here in the UK/ Ireland, minimal as humidity in atmosphere can be as high as 90% in summer and winter, you’d be lucky to get the car to start in the 1980’s ffs. In the US/Canada, different story, you can have very low humidity. As for housekeeping. The rule of thumb for dust explosions is if you have an explosible dust then being able to see footprints on the floor means the room needed cleaned yesterday. Have fun.
From my plastic business days, I can tell you another reason to protect your electric motors from styrofoam dust is that if any part gets hot the styrofoam will melt and then set up hard when you turn off your machine. A bearing that is just starting to go bad suddenly becomes down equipment. I had the brushes of a shop vac get glued in the same way. BTW, the way I controlled the air moving the plastic to the container was a barrel(functionally like your octagon box) and used an entire twin mattress cover upward (functionally like your window screen) and a 4" tube downward.(I did heavier plastic) To change containers, I shut off the 4" tube, did the swap and opened the tube. I didn't need to shut down to do it. A bottom to your octagon box with a large tube,(say part of a 5 gallon bucket) would allow you to strap the trash bag to it without the barrel. Couldn't overfill the bag.
This presentation underscores a couple important points: 1) the volume of the styrofoam required for the job . 2) the critical fractal size of the ‘chunks’ as they relate to the Hausdorff dimension of the AirCrete Matrix. 3) the amount and toxicity of the waste stream per the anticipated containments. 4) Styrofoam is a pernicious environment pollutant and deserves thoughtful mitigation including recycling of its valuable material characteristics. 5) Prepare to invest money and sweat equity while working your butt off toward your goal.
In Seattle we have a place that collects styrofoam, heats it up to turn it into logs that get sent back to manufactures to turn back into packing. They've been doing it for many years now.
Use some of your Styrofoam (UNSHREDDED) to make a spacer at he bottom of your 45 gal drum so when your venting system is full you will have extra plastic to just pull up and over your chopped Styrofoam or make an inner neck on your wooden catch frame.
Keep up the videos.. Suggestion.. Make one with your versions of your Foam Generator, One on each of your Suggested mixes, and put dates in the title of the video, so, you can tell when you change mixes, which is the latest, etc.. I think you should monitize and let us viewers help to fund your projects.. Keep the videos coming.. Awesome stuff.
Thanks Mark. Yes this is an on going improvement process. But the speed of the improvements is exponential when it is shared with 1000's on TH-cam and you get feedback from a bunch of smart minds. Over time if I generate some revenues from the videos I will plow it back into researching ideas. I am not needing the cash flow for living.
this is a great solution! I'll be using it for some upcoming cement projects. please wear a high-end paint respirator. After years of debate and evidence collection, the World Health Organization (WHO) has just reclassified styrene from being a “possible carcinogen” to a “probable carcinogen.” (cancer-causing)
Hey I looked at the studies too but couldn't find what sort of exposure the workers they studied had to styrene. If the workers were hot knifing polystyrene or inhaling particles the danger can be controlled. If the hazard was from styrofoam off gassing then the question becomes whether aircrete contains the hazardous components. Do you haveany more details about the study? I'm concerned about living in a home made of materials that may cause cancer.
@@scar3xcr0 I copy and pasted the "after years of debate" sentence, and that should pop up the info i was reading. If you are chopping things up in your garage its difficult to control the micro-particles and where i would have concern. similar to asbestos in that its fine if you leave it alone, but obv. different in risk-level between the two based on duration of exposure. Once a year prob no big deal. Make a garage-business out of it w/ monthly, bi-weekly exposure?... i would have concern.
This is a very helpful video for those of us wishing to recycle or repurpose waste styrofoam. Thank you for sharing this well made instructional video.
Thanks! I need to extra shred memory foam to make my hackerspace's furniture less lumpy. I was already using memory foam waste... but the shreds weren't small enough. I've got good idea now.(I'm filling 26 booths)
thanks Stephen , Harry recommended me to your channel. we are also inventors and tinkerers. whats the ratio of what you out in your mixer. Is it half bag of cement? and what size are your bags of cement? and how much styrofoam ?
Glad Harry recommended the channel. The mix is 3 1/2 gallons portland, 2 gallons water, 25 gallons of foam and 45 gallons of shredded EPS. The next video will go into more explanation of why I came to that mix ratio.
perfect thank you Stephen for sharing the formula . I am building a home from rubbish in russia just for the sake of showing future generations how to use free materials and give them secind use like yu said... so it will come in handy
@@AbundanceBuild I’m not the sharpest, so pardon my ignorance. What is “foam” and what is “EPS”? BTW you do a great job of the video. You are articulate and present well. All business, straight forward, no waste of time. Thank you
Nice item Harry, thanks for the video efforts... So, you have to stamp the walls, you can not poor it? And if you would make bricks/blocks, youl'd have to stanp them also, or press them. Gonna follow you, greetz William
I am so going to have to try Styrofoam Aircrete for several of my projects I was saving up to purchase semi-trailers full of AAC blocks... The only constructive thing I could possibly add here is that you might want to look at "expanded metal sheet" for your wire grating. The expanded metal can be purchased in a variety of thicknesses, but once the really thick stuff is bent into shape so that it is close to mower blade you should never have to worry about it bending -- even if it gets clogged. Thanks for the pointer of breaking up the foam into blocks, so maybe it is not a worry, but I thought I would mention it. For myself, I am going to try coupling a cyclonic vacuum and hope that there is less mess than what you initially had (that might be dreaming on my part, but heck -- you are encouraging us to keep the creative juices flowing ;-))) Thanks for the great videos!
Great job at explaining and making an awesome shredder! I think we'll stick with regular aircrete. We are researching what we can add to make aircrete more structural. 👍🙂🏠
Thanks for the feedback. I am using aircrete EPS because of its great insulative value and low cost, and relying on the fiber mesh hard stucco coat for the strength. Regular aircrete has its own advantages too though.
Apparently in editing right now. If I'm seeing the page correctly, it looks like a 3 part E course which will cost $1,000 all said and done. This is naturally going to be very cost prohibitive to a lot of people out there though, I suspect.
Great content, please keep it coming! The back wall of my green house needs insulation and until now, I was reluctant to use scavenged styrofoam because of the likely hood it would disperse into the environment after I was long gone. Your approach with the aircrete avoids that.
Are you an engineer? or engineering professor? You have a wonderful planet saving system that could help people around the world get a safe and warm home. Your video quality is professional in all ways. We were planning to try aircrete/styrofoam but hadn't gotten to it yet and your videos saved us time. Thanks so much for your fine work.
I’m very interested in the possibility of using the aircrete + styrofoam method to create the walls (9’6”) and roof for “tiny shed homes” in a tiny house village for the homeless. Would love to talk with you more about the feasibility, cost and safety of using this idea for that purpose.
I have been using shredded Styrofoam in my soil as perlite for 5 or 6 years now. Although my method of shredding it is embarrassing. By hand using a cheese shredder. Fortunately I didn't need the volume you did. Now I will re-think my method. Thank you.
I used a machine that was similar to what you came up with, but was professionally made. It had a conveyor belt that dropped glass from a shoot on top of a mower type of machine, except it had big metal flat blades that would shatter the glass, instead of chopping Styrofoam. The glass would fall under the mower into a special bag that fit on a pallet. It looked like a mower on top with a industrial moter powering the thing. Its the best I could describe it if you need to smash a lot of glass. Use ventilation, cause I probably have some glass dust still in my lungs from that thing.
What about baking soda? That's what's in dry chemical fire extinguishers. When heated, it releases CO2, extinguishing any fire.., including electrical fires. Perfect for any possible fires that originate from electrical shorts or overloaded wires in your walls. It would be interesting to see if anyone has experimented with Air-Crete having baking soda added. I do believe that baking soda is also cheaper than Borax.
@@somedude-lc5dy I'm well aware of the miraculous things that borax can do. I use it for many things, including pest control. But! I'm also pretty sure that baking soda doesn't degrade while sealed in an airtight container. Aircrete seems to be a very good way of stopping any air from traveling through the finished product... Besides, the only degradation I've heard of is its ability to absorb odors when it becomes saturated. Its other properties are not affected. IMHO.
@@johnlshilling1446 Age and air will oxidize baking soda. Borax is the best mix ingredient. However, both EPScrete and aircrete are pretty fire resistant. Papercrete on the other hand, needs or should have the borax added. Use 1 gallon water to 4 cups borax as a solution included in the water mix. If papercrete is the mix, soak the shredded paper in the borax solution for at least 24 hours prior to adding cement and any other binders (sand, EPS, foam, etc.).
@@frankfrederick5158 Very good to know. It just seems that the baking soda will be sealed from contact with air. Common sense says so, but "Common sense ain't all that common." I'll never know how much I don't know.., the old Black Swan problem. Thanks.
Strephen Loved your movie clip about shreding styrofoam. i am going out in the back yard to build and experiment! Thanks for the inspiration really very gratefull!
If a person had the space available, a simple pop up camping tent with the rain fly removed (in order to increase air flow and decrease wind resistance while the shredding is occurring) may be a good catch and storage vessel. Great videos and ideas! Please keep them coming!
At the 13:15 mark you start discussing how to deal with styrofoam escaping the chute (plastic drum). I wonder if you couldn’t get a lid for the drum and cut a rectangular opening in it and then mount opposing brush seals to the long sides. I’m guessing that this would dramatically reduce, if not eliminate, the air-born particulate. Another thought, place a reclaimed blower motor in-line between the mower and the collection drum, this should provide additional negative pressure on the chute side, helping capture even more particulate. One final idea, would be to build a simple frame that can hold 3 or more trash bags in a row, with a box on top that works in a similar manner as your octagon drum topper. This would allow you to keep processing block styrofoam without having to stop to replace bags as often. Additionally, depending on how you mount the bags, so for example using an under mount hinged clamp, you wouldn’t need to lift the screen topper off. I’d also recommend looking into a Thien Baffle or cyclone, which are commonly used in wood shops to separate fine wood dust. Either way, I appreciate the thorough way in which you detail your trials and errors, and in turn pass along knowledge to help other’s more quickly attain their goals.
We regrind our waste construction foam. Construction foam has fire-retardant properties not found in most packaging foam. We have hundreds of 40cu/ft bulk bags of regrind construction foam for sale. Hope to see this EPS/ Concrete mix catch on so that no foam goes to waste.
Quick suggestion. You have a roller shutter door. One rectangle the width of the door with a hole in it to duct clean air from outside. Duct it into a sealed enclosure that you sit you mower in. Then you tshirt filter is irrelevant.
What a great idea. I could see this working on two floors and having six barrels filled with the bags to collect on the basement floor. could be a two-person job.
Mount the spindle from a riding mower deck on the bottom of a barrel beefed up at the bottom with 3/4" plywood. Turn the pulley with an electric motor from a table saw or air compressor etc. No need for cutting out the bottom of the barrel.
Great video & great inventiveness 👍 I’m wondering if creating negative pressure by connecting a vacuum to the receiver could work. That would alleviate all the shredded material getting everywhere. The challenge would be in getting the material into the bin seeing it’s so light. Possibly an adaptation of the extraction systems used by woodworkers?
This was exactly my thought - I have a cyclone type system for woodworking that keeps the particles in a bucket but the vac provides suction. This could also be used to pull the air out of the bags once full so they’re not as big.
Dear Stephen. I'm a guy with lots of years on my back and short level of resources expend money in tools or machines to go with this amazing project that you encourage us to try. I built a foam machine (Frankenstein Foam) but I have realized that it produces very little amount of foam. I've seen other models but I would love to know what type of foam gun is the one you use. Please
Dear Stephen, your way of doing and explaining it is more than inspiring. Before watching your video I was full excited about building our playroom outside the house with airconcrete (only with cement, sand, white pva glue and foam). Now, I think that adding styrofoam it is the perfect thing. I will take the liberty of writing to you to your email in order to consult you about some details or your home-made machines that you build, if that is okay with you. Thank you very much from Chile
Hello Stephen from Sosua Dominican Rep. I am trying to recycle like you visiting the furniture stores in my town. I already have my giant mixer ready. Now I am working on the details especially the noise. But with the idea of the buckets I will try and see if I can have better results.Thank for your teaching
I rented a vac to vacuum fiberglass insulation out of an addic. It came with large vacuum bags. The bags are fabric and allow air to flow through but not the insulation. They are very large probably easily 5 or 6 55 gallon barrel size. The bags are not very expensive about $20 each. Might be a better collector than the Box you are using
Hi Stephen. I commend your endeavours and the time you take to share your findings with others, a very generous outlook indeed. On storage and bag changing a thought occurred to me. The same stores with fridges etc may have huge cardboard boxes to throw out. One could feed the hose straight in the top via a light mesh like a screen door. Easy to see when full, no decoupling or torn bags, just lift it off and set onto next box. Only a suggestion. Good luck.
Those plastic barrels have unique dimensions. If you cut the top off one inch down on the seam, the top will flip over and nest. The bungs are 2" NPT. Also threaded for 3/4" NPT.
I so enjoyed watching your enthusiasm! I hope you will consider contacting some commercial contractors to share your knowledge! This will be a huge impact on the environment! 🌄🏝️🏞️🌳🌵🌴🌊🏔️🌁🌧️☔🌍🌎🌏
Gotta be a way to just source bags of styrofoam bead . Other then that I would suggest looking into how an old vacume cleaner (high rpm) motor is designed with the turbine / impeller blade still attached . There is the chopping edges of the blades outer perimeter (inlet) and the center (outlet) hole and then forced air out will blow the bead into a mesh bag or directly into the Portland mix .
That is a creative solution, If I did that though my wife would do me harm because of all the Styrofoam floating around, Did you ever consider redoing your top piece and using a cyclone filter style. Granted your forcing air instead of using a vacuum to pull it, but the concept should work. You might want to hold your wood cap over the top of the barrel with some posts etc. If the cap is supported you could then lift your barrel up and seal it to the underside of the cap to catch foam. If it was me I would shorten the barrel under the cap so I had extra length on the plastic bag when I pull it out from under the cap. The extra would allow for the plastic to be pulled up and over the foam. if you don't want to lift the barrel catching the foam you could buy a clear shower curtain to act as a see through but flexible connection. I know its another 20 bucks but it easy to get and cuts easy.Oh, the see through would allow you to tell if the catch barrel is full. Good luck its very creative. -MG
You remind me of my father, he wears the exact same outfit all the time that you do, he has that identical large shirt with metal pen, same style watch , black braided leather belt with jeans and those shoes. I just had to comment because at first I thought you were my dad. He's also an avid "upcycler" (as am I). He worked for years at Igloo coolers and knows lots about insulation and blow mold plastic construction. We need to figure out what to do with all this foam and plastic we are creating! Thank for the content you're adding.
Very interesting video. I like the freedom of access with your open top on the drum. Was wondering if you were to connect your leaf blower or similar between the grinder above the mower and the collection barrel you might be able to lower the air pressure in your grinding container to prevent the escaping shedding. Could a disk as a plunger be made to push down into the collection barrel to compact into the bag to reduce spillage. Just a few ideas. 😂 you get your grinder to operate clean enough you could mount it on a trailer with collection box and drive it to the sources and grind it into the trailer at the pickup locations.
I love the story I love the background I love the ingenuity in the efforts that you put in to make a viable product and that you didn't give up when it didn't work and you tried something else and you well you finally succeeded you got subscribed sir and I'm better for it have a great day I am a want to be inventor actually I'm just a problem solver troubleshooter you have a great day
Great design, and a big upgrade over existing solutions. I can't wait to see future projects and innovations with the EPS concrete. I just subscribed so I won't miss them. :)
By the way I tried to make a leaf shredder we had a lot of leaves took an old washing machine motor and essentially use thick weed wacker line just curious if multiple lines work better they would need to be replaced though now you got me thinking again have a great day
I wonder if you hooked a wire to your ground stake outside and ran it to your screen and foil of the flex hose ,if that might help the screens from clogging. And possibly make some kind of spinning broom in your screen box. And it might even be better to make the screen box round. I'll bet if ya did all 3 it would work great. But if it didn't I'd sure like to know why. That's a video I'd watch.
Great content! Investing in a wireless microphone might help with some of the uneven sound we get when you move closer and further away from your camera mic.
You got me on the shredder. Great idea. What I missed was the comments on making a dome... sorry I do not get your need for flat surfaces. I am building a 20 foot dome which has a 4 foot skylight (making it 24 feet in diameter) similar to a hoop house but now a semi circle. This is based similarly on the gothic arch as you have demonstrated. The very low slump mix is similar to your aircrete/EPS mix but adds cellulose fiber (cellulose insulation or hydoseeding cellulose) or finely shredded paper/carboard fluff. Cardboard/newsprint can be sourced free as is the EPS. Yes, it needs waterproofing which may accomplished in several ways: stucco, liquid rubber, latex paint, or ceramic paint work well.
Frank I like your dome house idea. A dome structural is the strongest as most efficient shape you can build but not everyone likes the looks of them. My wife said I am not living in a dome house! So that nixed that idea. Aircrete styrofoam has a zero slump. So you could build a metal bar or pvc bar geodesic dome that you can dismantle from the inside when you get done, cover it with house wrap like Harry sows together for an air form, cover that with fiber mesh, which can be sown into a dome as well, and then hand pack this mix over this frame. Make it as thick as you want. Then cover it again with another layer of fiber mesh and slurry coat stucco the whole thing. Then remove the geodesic dome on the inside and slurry coat stucco the inside. You will have a super insulated dome.
@@AbundanceBuild You Sir are on the right track. I have two finished at present, in a similar way as described, using fence top rail as the "form". The "forms" take one day to set up after the foundation is prepared. Shotcrete is finished to six inches the second day. The most difficult part is creating the mix. Stopping to make more eps/papercrete puts a log jam into speed. We need to talk to your wife. Domes are spacious and airy. The key is that furnishings do not go against the walls. Removing the forms after the initial eps/papercrete is set allows the ability to create the next dome quickly. No videos yet, I have a face for radio.
Interesting shredder. Thanks for sharing. I wonder if the shredder would also shred HDPE containers (such as gallon milk jugs) in order to facilitate the recycling of HDPE containers.
If you want to store the styrofoam in a smaller volume, use a vacuum cleaner when you close the trash bag (put a cloth over the vacuum hose). It will vacuum seal it to save space.
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brilliant Good to know
Would you say you you end up with more volume or less before compacting
I appreciate all the info you’re sharing! Thanks
S.E. dIY. This looks a whole lot better than Aircrete by itself.
@@ronmarkell4436 I thought you’d like it. Good experiments.
i have i idea how to put a lot of Styrofoam very fast with out spiling it out 0% goes out but i don have the capital to do it not sure how to discribe it i can draw it and try to explain it. diferent form but. a very practical one maybe use use a 50 meter long nylon bag as an anaconda serpentine where you already put all the Styrofoam you just break it there where you pick it up it enters like an anaconda in the car then the inlet is just for the diameter of the shelf you tie it with An elastic rope is well sealed and moves all the material like a pumping anaconda. It does not have to be a very very thick bag, maybe a transparent one and easy to move the material inside from the outside.
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I can't wait for your next video! Thank you so much for this. I love the straight forward, articulate way you speak and describe your process. Please do a video on your mixture ratios, type of cement ect. Thanks so much!
Thanks Happy Camper. I have given the ratios in answering several other comments if you read through them.
Yes I would like that recipe also,
@@AbundanceBuild 3 in chunks should be ok btw
Great job with your shredder! I'm looking forward to make a version of your shredder design much faster then my 6 inch screw drum.
Thanks Harry. You have helped me immensely in understanding aircrete.
@@AbundanceBuild May I suggest at least one additional possible improvement, would be to add the leaf vac/blower at the outlet of the mower. To increase vacuum pressure and for its impeller to reduce the particle size. If your at all interested in implementing this idea or a few others the I have feel free to ask.
But either way I plan to watch your future posts on this subject, since I just subscribed. Good luck.
You are building lots of Tribo-charged particles see timestamp 9:26 Judging from styrofoam sticking to the garage doors I'd 15KV to 30KV+ buildup. At the very least take the spiral wire in the hose and ground it to the steel barrel and the ground pin of your power outlet. The lower the relative humidity (ie. winter) the higher the charge will get until it arcs. A grounded steel barrel on the input side would help mitigate buildup some. Try some active AC Ionization if it gets really bad. Good Luck!
@redbeard. Seconded. Polystyrene shredders have been known in industry to cause dust explosions and considering that petrol and polystyrene are the components of Napalm B, one should not treat this lightly.
Electrically bonding / grounding that flexi duct is imperative. Notorious in the dust handling industry for generating large potentials and acting like a very basic capacitor due to the plastic-metal-plastic thin layering of the encapsulated wire.
Yep I’d use it to bond the metal drum to the metal body of the lawnmower and then bond to earth via something metal buried deeply into the ground with an impedance of less than 20 Ohms.
Chances of this happening here in the UK/ Ireland, minimal as humidity in atmosphere can be as high as 90% in summer and winter, you’d be lucky to get the car to start in the 1980’s ffs.
In the US/Canada, different story, you can have very low humidity.
As for housekeeping. The rule of thumb for dust explosions is if you have an explosible dust then being able to see footprints on the floor means the room needed cleaned yesterday.
Have fun.
@@AwwwPishhh I think I will do this out doors! I like splosions! Seriously Jeff, thanks for that, thanks very much for the knowledge!
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Electric mower turned blender, I love it! Keep the content coming.
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From my plastic business days, I can tell you another reason to protect your electric motors from styrofoam dust is that if any part gets hot the styrofoam will melt and then set up hard when you turn off your machine. A bearing that is just starting to go bad suddenly becomes down equipment. I had the brushes of a shop vac get glued in the same way.
BTW, the way I controlled the air moving the plastic to the container was a barrel(functionally like your octagon box) and used an entire twin mattress cover upward (functionally like your window screen) and a 4" tube downward.(I did heavier plastic) To change containers, I shut off the 4" tube, did the swap and opened the tube. I didn't need to shut down to do it.
A bottom to your octagon box with a large tube,(say part of a 5 gallon bucket) would allow you to strap the trash bag to it without the barrel. Couldn't overfill the bag.
Thanks for the tip!
PLEASE DONT STOP MAKING VIDEOS! holy cow, I have waited forever for info like this
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Thank you Stephen for taking the time to share this information!
You're welcome! Subscribe for new builds coming soon!
@@AbundanceBuild Awesome, looking forward to it, and i am Subscribed!
Look into using a modified cyclone separator for your collector bin.
That was my thought also.
Dave I will look into that. Thanks for the suggestion.
This presentation underscores a couple important points:
1) the volume of the styrofoam required for the job . 2) the critical fractal size of the ‘chunks’ as they relate to the Hausdorff dimension of the AirCrete Matrix. 3) the amount and toxicity of the waste stream per the anticipated containments. 4) Styrofoam is a pernicious environment pollutant and deserves thoughtful mitigation including recycling of its valuable material characteristics. 5) Prepare to invest money and sweat equity while working your butt off toward your goal.
well said!
In Seattle we have a place that collects styrofoam, heats it up to turn it into logs that get sent back to manufactures to turn back into packing. They've been doing it for many years now.
Awesome!
Ingenious. Please share more of your building projects, Stephen.
Working on it! Subscribe to stay tuned to new builds coming soon!
Use some of your Styrofoam (UNSHREDDED) to make a spacer at he bottom of your 45 gal drum so when your venting system is full you will have extra plastic to just pull up and over your chopped Styrofoam or make an inner neck on your wooden catch frame.
Good idea Ray. thanks for that.
Keep up the videos.. Suggestion.. Make one with your versions of your Foam Generator, One on each of your Suggested mixes, and put dates in the title of the video, so, you can tell when you change mixes, which is the latest, etc.. I think you should monitize and let us viewers help to fund your projects.. Keep the videos coming.. Awesome stuff.
Thanks Mark. Yes this is an on going improvement process. But the speed of the improvements is exponential when it is shared with 1000's on TH-cam and you get feedback from a bunch of smart minds. Over time if I generate some revenues from the videos I will plow it back into researching ideas. I am not needing the cash flow for living.
Great Insulation for few bucks! Great Advice for those who can't afford thousand of dollars for insulation material!
@@brunovlaminck9901 Thanks! 👍
this is a great solution! I'll be using it for some upcoming cement projects. please wear a high-end paint respirator. After years of debate and evidence collection, the World Health Organization (WHO) has just reclassified styrene from being a “possible carcinogen” to a “probable carcinogen.” (cancer-causing)
Hey I looked at the studies too but couldn't find what sort of exposure the workers they studied had to styrene. If the workers were hot knifing polystyrene or inhaling particles the danger can be controlled. If the hazard was from styrofoam off gassing then the question becomes whether aircrete contains the hazardous components. Do you haveany more details about the study? I'm concerned about living in a home made of materials that may cause cancer.
@@scar3xcr0 I copy and pasted the "after years of debate" sentence, and that should pop up the info i was reading. If you are chopping things up in your garage its difficult to control the micro-particles and where i would have concern. similar to asbestos in that its fine if you leave it alone, but obv. different in risk-level between the two based on duration of exposure. Once a year prob no big deal. Make a garage-business out of it w/ monthly, bi-weekly exposure?... i would have concern.
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This is a very helpful video for those of us wishing to recycle or repurpose waste styrofoam. Thank you for sharing this well made instructional video.
Thank you! We love recycling styrfoam
All the best with your videos and your projects. Super interesting. thinking another way to build domes.
Thanks James.
You can build a base to run a vent outside to draw clean air in for the motor, that should help keep the motor cleaner and cooler.
Good idea!
18:40 Tim Allen comes to mind .. Wife: "Just look at what you've done to the garage"!!! LOL
I love it. Yes I have got to improve the design to keep the EPS inside the blender.
Thanks! I need to extra shred memory foam to make my hackerspace's furniture less lumpy. I was already using memory foam waste... but the shreds weren't small enough. I've got good idea now.(I'm filling 26 booths)
Way to go!
thanks Stephen , Harry recommended me to your channel. we are also inventors and tinkerers. whats the ratio of what you out in your mixer. Is it half bag of cement? and what size are your bags of cement? and how much styrofoam ?
Glad Harry recommended the channel. The mix is 3 1/2 gallons portland, 2 gallons water, 25 gallons of foam and 45 gallons of shredded EPS. The next video will go into more explanation of why I came to that mix ratio.
perfect thank you Stephen for sharing the formula . I am building a home from rubbish in russia just for the sake of showing future generations how to use free materials and give them secind use like yu said... so it will come in handy
@@AbundanceBuild I’m not the sharpest, so pardon my ignorance.
What is “foam” and what is “EPS”?
BTW you do a great job of the video. You are articulate and present well. All business, straight forward, no waste of time. Thank you
Nice item Harry, thanks for the video efforts... So, you have to stamp the walls, you can not poor it? And if you would make bricks/blocks, youl'd have to stanp them also, or press them. Gonna follow you, greetz William
@@AbundanceBuild Thanks for this. So 75 1/2 gals total of ready to fill material?
I am so going to have to try Styrofoam Aircrete for several of my projects I was saving up to purchase semi-trailers full of AAC blocks...
The only constructive thing I could possibly add here is that you might want to look at "expanded metal sheet" for your wire grating. The expanded metal can be purchased in a variety of thicknesses, but once the really thick stuff is bent into shape so that it is close to mower blade you should never have to worry about it bending -- even if it gets clogged. Thanks for the pointer of breaking up the foam into blocks, so maybe it is not a worry, but I thought I would mention it.
For myself, I am going to try coupling a cyclonic vacuum and hope that there is less mess than what you initially had (that might be dreaming on my part, but heck -- you are encouraging us to keep the creative juices flowing ;-))) Thanks for the great videos!
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youre my new favorite channel. looking forward to more videos!
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Great job at explaining and making an awesome shredder! I think we'll stick with regular aircrete. We are researching what we can add to make aircrete more structural. 👍🙂🏠
Thanks for the feedback. I am using aircrete EPS because of its great insulative value and low cost, and relying on the fiber mesh hard stucco coat for the strength. Regular aircrete has its own advantages too though.
@@AbundanceBuild could you please share your recipe
Thank you
@@ericmartens5930 he said he's going to cover everything eventually so just subscribe and wait for it.
Apparently in editing right now. If I'm seeing the page correctly, it looks like a 3 part E course which will cost $1,000 all said and done. This is naturally going to be very cost prohibitive to a lot of people out there though, I suspect.
I'm so happy I found this video
Thanks Jim.
Great content, please keep it coming!
The back wall of my green house needs insulation and until now, I was reluctant to use scavenged styrofoam because of the likely hood it would disperse into the environment after I was long gone.
Your approach with the aircrete avoids that.
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thanks for the info i built one and it works great thank you
Great job!
Great !!!! Thanks for your patience to make this video !!! I will buy you a beer sometime...
Thank you! I don't think Stephen drinks but he will recycle the bottle! Cheers!
You may want to explore gator blades as they can pulverize the foam better!
The idea here is to create beads, not mashed mush or chunks. if you wanted to add anything it would be some screws embedded into the blades.
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Are you an engineer? or engineering professor? You have a wonderful planet saving system that could help people around the world get a safe and warm home. Your video quality is professional in all ways. We were planning to try aircrete/styrofoam but hadn't gotten to it yet and your videos saved us time. Thanks so much for your fine work.
Thank you! Stephen is an engineer. New builds coming soon!
I’m very interested in the possibility of using the aircrete + styrofoam method to create the walls (9’6”) and roof for “tiny shed homes” in a tiny house village for the homeless. Would love to talk with you more about the feasibility, cost and safety of using this idea for that purpose.
Catherine I would be glad to talk to you. My email is stephen.williams64@yahoo.com
You need an old wood chipper truck and a trash compactor to make the bags smaller
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I really like your idea of shredding styrofoam as a business!!
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I like the way you think.
There is genius within the creative mind. Ideas and solutions happening at the same time. 💡
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I have been using shredded Styrofoam in my soil as perlite for 5 or 6 years now. Although my method of shredding it is embarrassing. By hand using a cheese shredder. Fortunately I didn't need the volume you did. Now I will re-think my method. Thank you.
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I used a machine that was similar to what you came up with, but was professionally made. It had a conveyor belt that dropped glass from a shoot on top of a mower type of machine, except it had big metal flat blades that would shatter the glass, instead of chopping Styrofoam. The glass would fall under the mower into a special bag that fit on a pallet. It looked like a mower on top with a industrial moter powering the thing. Its the best I could describe it if you need to smash a lot of glass. Use ventilation, cause I probably have some glass dust still in my lungs from that thing.
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Would love to get details on how to make the insulation fire resistant with Borax.
What about baking soda? That's what's in dry chemical fire extinguishers. When heated, it releases CO2, extinguishing any fire.., including electrical fires. Perfect for any possible fires that originate from electrical shorts or overloaded wires in your walls. It would be interesting to see if anyone has experimented with Air-Crete having baking soda added. I do believe that baking soda is also cheaper than Borax.
the baking soda will neutralize after a while, rendering it useless. borax also keeps some pests out of the foam
@@somedude-lc5dy I'm well aware of the miraculous things that borax can do. I use it for many things, including pest control. But! I'm also pretty sure that baking soda doesn't degrade while sealed in an airtight container. Aircrete seems to be a very good way of stopping any air from traveling through the finished product... Besides, the only degradation I've heard of is its ability to absorb odors when it becomes saturated. Its other properties are not affected. IMHO.
@@johnlshilling1446 Age and air will oxidize baking soda. Borax is the best mix ingredient.
However, both EPScrete and aircrete are pretty fire resistant. Papercrete on the other hand, needs or should have the borax added.
Use 1 gallon water to 4 cups borax as a solution included in the water mix. If papercrete is the mix, soak the shredded paper in the borax solution for at least 24 hours prior to adding cement and any other binders (sand, EPS, foam, etc.).
@@frankfrederick5158 Very good to know. It just seems that the baking soda will be sealed from contact with air. Common sense says so, but "Common sense ain't all that common." I'll never know how much I don't know.., the old Black Swan problem. Thanks.
Strephen Loved your movie clip about shreding styrofoam. i am going out in the back yard to build and experiment! Thanks for the inspiration really very gratefull!
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I'm very inspired and excited about your research and results. Please continue with this work.
New recipes, builds and tests coming soon!
Nice build. Although I would've removed the motor and blade assembly from the lawnmower and attached it directly to the bottom of the barrel.
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Amazing insights
Really detailed and clear and what a increadible of upcycling.
From unwanted landfill to higlmhly insulated home- wonderful
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So fuuny. You have stryofoam everywhere.
haha!
If a person had the space available, a simple pop up camping tent with the rain fly removed (in order to increase air flow and decrease wind resistance while the shredding is occurring) may be a good catch and storage vessel. Great videos and ideas! Please keep them coming!
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Excellent! Thanks, Stephen. I happened to find the exact same Cobalt Mower used locally for $30. Looking forward to my project.
Great Travis. Keep me posted how you improve the design.
At the 13:15 mark you start discussing how to deal with styrofoam escaping the chute (plastic drum). I wonder if you couldn’t get a lid for the drum and cut a rectangular opening in it and then mount opposing brush seals to the long sides. I’m guessing that this would dramatically reduce, if not eliminate, the air-born particulate. Another thought, place a reclaimed blower motor in-line between the mower and the collection drum, this should provide additional negative pressure on the chute side, helping capture even more particulate. One final idea, would be to build a simple frame that can hold 3 or more trash bags in a row, with a box on top that works in a similar manner as your octagon drum topper. This would allow you to keep processing block styrofoam without having to stop to replace bags as often. Additionally, depending on how you mount the bags, so for example using an under mount hinged clamp, you wouldn’t need to lift the screen topper off. I’d also recommend looking into a Thien Baffle or cyclone, which are commonly used in wood shops to separate fine wood dust.
Either way, I appreciate the thorough way in which you detail your trials and errors, and in turn pass along knowledge to help other’s more quickly attain their goals.
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We regrind our waste construction foam. Construction foam has fire-retardant properties not found in most packaging foam. We have hundreds of 40cu/ft bulk bags of regrind construction foam for sale. Hope to see this EPS/ Concrete mix catch on so that no foam goes to waste.
That is great! I hope more of you guys were around. Yes I hope this will catch on.
how much do you sell it for??? what do people who buy it use it for?
@@khandam7709 $75 For a 40 CU/Ft bulk bag. We sell mostly to nurseries to make lightweight soil.
Quick suggestion. You have a roller shutter door. One rectangle the width of the door with a hole in it to duct clean air from outside. Duct it into a sealed enclosure that you sit you mower in. Then you tshirt filter is irrelevant.
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What a great idea. I could see this working on two floors and having six barrels filled with the bags to collect on the basement floor. could be a two-person job.
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Gotta love ingenuity.
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Mount the spindle from a riding mower deck on the bottom of a barrel beefed up at the bottom with 3/4" plywood. Turn the pulley with an electric motor from a table saw or air compressor etc. No need for cutting out the bottom of the barrel.
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Great video & great inventiveness 👍 I’m wondering if creating negative pressure by connecting a vacuum to the receiver could work. That would alleviate all the shredded material getting everywhere. The challenge would be in getting the material into the bin seeing it’s so light. Possibly an adaptation of the extraction systems used by woodworkers?
This was exactly my thought - I have a cyclone type system for woodworking that keeps the particles in a bucket but the vac provides suction. This could also be used to pull the air out of the bags once full so they’re not as big.
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Dear Stephen. I'm a guy with lots of years on my back and short level of resources expend money in tools or machines to go with this amazing project that you encourage us to try. I built a foam machine (Frankenstein Foam) but I have realized that it produces very little amount of foam. I've seen other models but I would love to know what type of foam gun is the one you use. Please
We actually now use a styrocrete recipe with no foam now! stay tuned for recipe video!
This was yet another informative video. Thank you for sharing your work! Great ideas.
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Dear Stephen, your way of doing and explaining it is more than inspiring. Before watching your video I was full excited about building our playroom outside the house with airconcrete (only with cement, sand, white pva glue and foam). Now, I think that adding styrofoam it is the perfect thing. I will take the liberty of writing to you to your email in order to consult you about some details or your home-made machines that you build, if that is okay with you. Thank you very much from Chile
abc@abundance.build
Thats awesome work there. Not so sure it needs to be any better unless a commercial scale . Well done Sir!
Thanks 👍
Hello Stephen from Sosua Dominican Rep. I am trying to recycle like you visiting the furniture stores in my town. I already have my giant mixer ready. Now I am working on the details especially the noise. But with the idea of the buckets I will try and see if I can have better results.Thank for your teaching
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I rented a vac to vacuum fiberglass insulation out of an addic. It came with large vacuum bags. The bags are fabric and allow air to flow through but not the insulation. They are very large probably easily 5 or 6 55 gallon barrel size. The bags are not very expensive about $20 each. Might be a better collector than the Box you are using
6 foot by 4 foot bag is 75 ft³ according to seller @ $28 on Amazon.
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Make a plastic sleeve that goes around your collector drum that you can slide up to contain your foam bits!
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Hi Stephen. I commend your endeavours and the time you take to share your findings with others, a very generous outlook indeed.
On storage and bag changing a thought occurred to me. The same stores with fridges etc may have huge cardboard boxes to throw out. One could feed the hose straight in the top via a light mesh like a screen door. Easy to see when full, no decoupling or torn bags, just lift it off and set onto next box. Only a suggestion. Good luck.
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Those plastic barrels have unique dimensions. If you cut the top off one inch down on the seam, the top will flip over and nest.
The bungs are 2" NPT. Also threaded for 3/4" NPT.
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super innovative on the cheap, good job
Thanks Attila
Very cool
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I so enjoyed watching your enthusiasm! I hope you will consider contacting some commercial contractors to share your knowledge! This will be a huge impact on the environment! 🌄🏝️🏞️🌳🌵🌴🌊🏔️🌁🌧️☔🌍🌎🌏
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Gotta be a way to just source bags of styrofoam bead .
Other then that I would suggest looking into how an old vacume cleaner (high rpm) motor is designed with the turbine / impeller blade still attached . There is the chopping edges of the blades outer perimeter (inlet) and the center (outlet) hole and then forced air out will blow the bead into a mesh bag or directly into the Portland mix .
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you are a saint !........thank u sir......for sharing all this valuable r & d ......you got great innovative skills.....Bravo
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I Love your videos.
Thank you!
That is a creative solution, If I did that though my wife would do me harm because of all the Styrofoam floating around, Did you ever consider redoing your top piece and using a cyclone filter style. Granted your forcing air instead of using a vacuum to pull it, but the concept should work. You might want to hold your wood cap over the top of the barrel with some posts etc.
If the cap is supported you could then lift your barrel up and seal it to the underside of the cap to catch foam.
If it was me I would shorten the barrel under the cap so I had extra length on the plastic bag when I pull it out from under the cap. The extra would allow for the plastic to be pulled up and over the foam. if you don't want to lift the barrel catching the foam you could buy a clear shower curtain to act as a see through but flexible connection. I know its another 20 bucks but it easy to get and cuts easy.Oh, the see through would allow you to tell if the catch barrel is full.
Good luck its very creative.
-MG
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You remind me of my father, he wears the exact same outfit all the time that you do, he has that identical large shirt with metal pen, same style watch , black braided leather belt with jeans and those shoes. I just had to comment because at first I thought you were my dad. He's also an avid "upcycler" (as am I). He worked for years at Igloo coolers and knows lots about insulation and blow mold plastic construction. We need to figure out what to do with all this foam and plastic we are creating! Thank for the content you're adding.
How funny Ben, Thanks for sharing that.
Wonderful
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Okay, it’s Official
You Sir are my Hero
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I was thinking about whether or not those motors are OK to run inverted, mainly the bushings or bearings? I guess we will find out!
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really useful videos thanks
Youre welcome!
Brilliant ant idea!
Thanks George
Genius.
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Hi
Nice video..
I m from India
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Very interesting video. I like the freedom of access with your open top on the drum. Was wondering if you were to connect your leaf blower or similar between the grinder above the mower and the collection barrel you might be able to lower the air pressure in your grinding container to prevent the escaping shedding. Could a disk as a plunger be made to push down into the collection barrel to compact into the bag to reduce spillage. Just a few ideas. 😂 you get your grinder to operate clean enough you could mount it on a trailer with collection box and drive it to the sources and grind it into the trailer at the pickup locations.
Thanks for sharing!
You might get better flow and less clogs too if you put a shop vac in line sucking on the outlet exist the vac into the lower shredder
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I love the story I love the background I love the ingenuity in the efforts that you put in to make a viable product and that you didn't give up when it didn't work and you tried something else and you well you finally succeeded you got subscribed sir and I'm better for it have a great day I am a want to be inventor actually I'm just a problem solver troubleshooter you have a great day
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Great design, and a big upgrade over existing solutions. I can't wait to see future projects and innovations with the EPS concrete. I just subscribed so I won't miss them. :)
Thanks Nicholas
Stephen, could you use wood ash to make the aircrete instead of styrofoam ??? Thanks
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@@AbundanceBuild Can you show me the results Sir ?? Funds are just tight right now Sir. Thanks vf
Necessity: THE MOTHERHOOD OF INVENTION, STEPHEN, SPOT ON, any building code issues? A TRUE CRFTSMAN, INNOVATES. . . . . . KEEP UP THE GOOD WORK.
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By the way I tried to make a leaf shredder we had a lot of leaves took an old washing machine motor and essentially use thick weed wacker line just curious if multiple lines work better they would need to be replaced though now you got me thinking again have a great day
Good luck!
Very cool stuff! Thanks for sharing your ideas.
youre welcome!
I wonder if you hooked a wire to your ground stake outside and ran it to your screen and foil of the flex hose ,if that might help the screens from clogging. And possibly make some kind of spinning broom in your screen box. And it might even be better to make the screen box round. I'll bet if ya did all 3 it would work great. But if it didn't I'd sure like to know why.
That's a video I'd watch.
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Using mulching mower blades should work even better.
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How did you build the second story on the stirocrete walls ? What material is the floor truss system made of ?
@@TheBottemLine the second story is actually standard construction but the styrocrete below has held up that weight for years now!
@AbundanceBuild wow that's impressive
I would like to build your new and improved shredder. Do you have the plans for the design up anywhere?
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Great content! Investing in a wireless microphone might help with some of the uneven sound we get when you move closer and further away from your camera mic.
Hi Yogi, I just bought one and it works great but several of my videos I did months ago without so I am still fighting the sound issue.
I'm so glad to have found your channel.
I'm subscribing
Glad this is meaningful to you.
Thanks for sharing!
You're welcome!
You got me on the shredder. Great idea.
What I missed was the comments on making a dome... sorry I do not get your need for flat surfaces. I am building a 20 foot dome which has a 4 foot skylight (making it 24 feet in diameter) similar to a hoop house but now a semi circle. This is based similarly on the gothic arch as you have demonstrated.
The very low slump mix is similar to your aircrete/EPS mix but adds cellulose fiber (cellulose insulation or hydoseeding cellulose) or finely shredded paper/carboard fluff.
Cardboard/newsprint can be sourced free as is the EPS. Yes, it needs waterproofing which may accomplished in several ways: stucco, liquid rubber, latex paint, or ceramic paint work well.
Frank, you should do a video on your dome build! 😁 That sounds cool! I prefer squares and flat surfaces, but domes are cool too.
Frank I like your dome house idea. A dome structural is the strongest as most efficient shape you can build but not everyone likes the looks of them. My wife said I am not living in a dome house! So that nixed that idea. Aircrete styrofoam has a zero slump. So you could build a metal bar or pvc bar geodesic dome that you can dismantle from the inside when you get done, cover it with house wrap like Harry sows together for an air form, cover that with fiber mesh, which can be sown into a dome as well, and then hand pack this mix over this frame. Make it as thick as you want. Then cover it again with another layer of fiber mesh and slurry coat stucco the whole thing. Then remove the geodesic dome on the inside and slurry coat stucco the inside. You will have a super insulated dome.
@@AbundanceBuild You Sir are on the right track. I have two finished at present, in a similar way as described, using fence top rail as the "form".
The "forms" take one day to set up after the foundation is prepared. Shotcrete is finished to six inches the second day. The most difficult part is creating the mix. Stopping to make more eps/papercrete puts a log jam into speed.
We need to talk to your wife. Domes are spacious and airy. The key is that furnishings do not go against the walls.
Removing the forms after the initial eps/papercrete is set allows the ability to create the next dome quickly.
No videos yet, I have a face for radio.
I might add, the foundation is built with a 36" pony wall. This gives additional height which allows for a second floor "loft" area.
@@frankfrederick5158 You don't have to show your face. You could even just do a slideshow, the dome sounds awesome! 😊
Run the exhaust of the shop vac thru the motor into the blades from bottom and lid on top of barrel
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I have a foam problem and was thinking about some type of shredder but something of this size will just not work for me.
New recipes and shredded options coming soon! Stay tuned
Nice!!! Thanks for sharing.
Thanks Michael
Interesting shredder. Thanks for sharing. I wonder if the shredder would also shred HDPE containers (such as gallon milk jugs) in order to facilitate the recycling of HDPE containers.
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Do you have a video that is simply the aircrete recipe alone with weights. Measures, Times, etc.?
th-cam.com/video/_FBhqONKB1w/w-d-xo.html
Coming soon!
Quick question styrofoam you're spraying into your roof is it just loose? Can do a video on it mate, cheers
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Thanks again Sir! Great ideas !
You're welcome!