Strawbale Building - An Engineers Perspective
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- เผยแพร่เมื่อ 7 ก.พ. 2025
- Strawbale Building, an engineers perspective. In this video I talk about the pros, cons and generally my thoughts on building with straw bales.
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I have built a straw bale house 25 years ago. Re your comment about overhangs to protect the walls is spot on, and I agree with your other comments, there are water repellents that you can use on the walls to keep the walls dry. They can be silicon based or some other organic compounds. They allow the water to slide off the wall without sealing the wall so that they can still breathe. One other thing I found was that the recommended practice of stacking the successive layers of bales to be useless. Tieing the adjacent bale cords together gives the bales greater stability and it is easier to align the bales correctly.
But having a vapor open house is one of the main points. So the silicone is out for me.
I find the cord wood drying stack method for the Secondery weather sides nice.
For the primery weather side a shedding ventilated panaling (around 10cm space from the wall and open at the top and bottom)
would be intresting, or build it earthip like with a backfilling.
Have you heard or know of anyone that has used the product kemset for plastering the walls, how they perform? Id like to learn more about your build?
@@bonedust68 have used an older synthetic stucco in the 90s, it didn’t breathe enough, so harbored mold. Thankfully it was an infill building. I would imagine kemset has addressed that issue. Just know you will need three to four times as much material. I would recommend using a traditional mud as your base coat for filling in the gaps and imperfections.
On the interiors we used structolite with vermiculite mix.
this is such an interesting take for the newbies of natural building! I live in a country where there's not much of it, and finding a local with experience is almost impossible; so videos like this, made by a professional of the craft with experience, are great to at least point us in the right direction! thanks!
DANG GOOD INFO. I worked on a straw-bale hybrid building a decade ago, always interesting to hear about the science and culture of it again.
Talking to people who have built with straw bales in your area was great advice thank you!
Unless, you have zero people in your are whom have built with straw bale. There's one straw bale house AFAIK 200km away from here, and it's not even inhabited because the "law" doesn't allow it.
We have a Strawbale home and it is R42. Cob doesn’t work in our area we have driving rain we use lime plaster. Our straw came from northern cal over 500 miles but everything in our Area isn’t local. I live near Yosemite.
I would imagine that the lime stone plaster makes your home relatively fire proof. I wish more people would go this route instead of all the plastic siding.
Can you put a log wood face over top of the clay so it looks like its a log house ?
Was waiting for you to discuss the difference between weight bearing straw bale walls and straw bales used as infill.
Yea. I built a straw bale home with frame but I would like to try a load-bearing straw bale structure. I think it would work and be much easier and cheaper. I helped build one in 1974 and it still in good shape!
Thx, you gave out a lot of good info...but would have hoped for an engineers perspective comparing the different forms of Strawbale construction methods with their pros and cons...hope you cover it in a different post...thanks again for this post..
I'm thinking of building with strawbale out near Nelson BC. This video is a few years old.. Wood prices have almost doubled and deforestation has got worse. Building with Straw trucked in from 2-3hours away seems completely reasonable to me.
I so enjoy your video but still got a question ,I live in a building 600 years old with a barn attached to it .The walls are about a metre tick and in the winter it takes forever to heat up the building .Now my though is to build a wall against the barn wall which is totally covered. Do I still need to render it and would it bring any extra warmth??? Also do I need to attach the strawbale to the old wall ?. And if so how do I do that ? With wires ??
Thanks so much
Hello, I watched your video and was very thankful for your engineering perspective. I am trying to research building a Strawbale house. I used to live in California and knew what the climate was and how to deal with it, however, I have just moved to the south where its ungodly hot and humid during the summer and yet snows during the winter. I am interested in your take on humidity and strawbale. I must aplogize if i seem completely unprepared. I have to relearn strawbale for a climate I am not used to but love.
I think having the insulation on the exterior allows the thermal mass to work great.
In my region we have a higher than average level of tornadoes that occur. I'm really looking for building a super robust wall system, as massive as I can get within reason. I was initially drawn to the idea of rammed earth walls, but then also started looking into cob and straw bale buildings as well. How can I calculate how much wind pressure or force a wall might survive. Can a somewhat standard straw bale wall withstand heavy winds better than a stick frame building?
How long will a straybail house last for ? Is there alot of maintenance with them ?
Great thoughtful discussion
If there is concern about maintenance, use plaster, which is super durable, for interior as well as exterior, though I would still choose adobe indoors at least. Less risk of pests with straw bale vs conventional. CMHC compared conventional stick frame to straw bale: conventional house was engulfed and collapsed before straw bale home got beyond smoldering. No contest. As to local sourcing, you need insulation anywhere, and all other types I know are either toxic and/or high carbon footprint, therefore radically inferior. Wood may be abundant in places, but has very little insulation value, hence, insulation is needed, and straw bale remains best. Other than tropics or far north, straw bale wins over every other design.
Would you say it's a good idea if you live somewhere really cold ? We live in northern Ontario Canada its cold lol
great video, thanks
After 10 years living in a 2 storey earth roofed straw bale home, any other is now out of the question..Lime render finish, warm in winter, cool in summer..we have a Sauna and gym made in same style..
What kind of Plaster you used inside and outside. Do they crack and create dust or require plastering every year after rain?? please reply!
@@lolpol56 The plaster is a lime based so getting wet is not a problem as long as it can dry out again..large overhanging eaves ( hat ) I have not had any issues with dust or a need to paint/lime white wash , no cracking..
@@perkar49 Thanks for quick reply, so you did exterior and interior lime plastering to straw bale on mud layer, Great 👍
@@lolpol56 no mud, just straw bale, and then plastered inside and out. We brought it from the builder.
@@perkar49 once again thanks for clarifying
Very informative; thank you, sir.
Searching for information on the viability of building a grain silo house with straw building on the outside for insulation in WI. Alternatives would be two concentric grain bins with the smaller one inside and insulation in the middle of them vs a regular straw-built home. Also, how would one mix the cement for outside of the straw in north central WI?
Hey, I’m also interested in doing this! Have you gotten any further in your research? I am just starting!
If you used metal silos I think the biggest problem would be condensation on the metal which might promote mold/rot in nearby straw. If you did two concentric rings then why not fill with sawdust?
If I want extra thick straw bale walls could I put the bale the other way around so they are stacked long side to longside and the short end being the outside wall?
Best.Information.
I love you.😭😭😭
Hempcrete is fireproof 2000 degrees F. It's also pest resistant.
Hello, I am looking for a guideline for constructing strawbale house, could it be possible to help? Writing you from Turkey.
(Building a strawbale house a to z)
I live in central KS and we have a 26x66 double wide with 2x6 exterior walls and IRCC 2x8 rafters above the living room, and trusses over the rest. For the time it was fairly well built, since then it has been upgraded with siding, windows etc. I wish someone would come up with an easy retrofit to add the strawbale construction around what we have. We are already looking at insulated roofing systems and steel roofing because it seems our biggest thermal loss/gain, is from the thermal mass on the roof. Adding a steel roof over some foam, and or a thermal barrier with an air gap in my eyes would be a great improvement and offer the chance to increase the overhangs to allow a retrofit. But thus far I have not found any really good methods of doing the retrofit.
I was thinking about buying a straw bale house. It's about 15 years old & for most of that was unpainted. But I see they've painted the entire inside for the sale. After listening to you I get a sinking feeling they might have really done some damage to the system with that, as it's no longer "breathable." Any opinions?
@Pudina Menthe Maybe. I don't think I'd be up to it. I contacted a well-known straw-bale house builder to see if he'd inspect the one I was interested in. He couldn't, but just from the pictures he identified many, many design flaws, thermal breaks, all kinds of stuff. So I did not go forward. He did mention that paint on the inside isn't particularly problematic, though there are better & worse choices in terms of type.
What about a region that's hot and humid more often than not~? I live in the Georgia/Florida/Alabama tristate area, and we average in the high 80's low 90's 10-11 months out of the year with a humidity that doesn't dip below 80% very often, rather it usually hovers around 90-99%. Would the cob coated strawbale be effective in this climate~?
To understand how strawbale works, do some experiments. First, put a sponge in a small glass bowl. The small bowl is your wall, the sponge is the straw. Put that bowl into a bigger bowl, aka the exterior of the wall. Fill the bigger bowl about halfway as full as the small bowl is high. Now, take a piece of mesh or linen, and paint one side with a clay mask. Allow to dry. Put mesh, clay side out, on top of the bowl. Secure with a rubber band, string, etc. This is the natural sealant you put on the outside of straw. Let sit for a week.
Repeat the same thing, except put plastic wrap on the big bowl instead of the mesh. This symbolises the typical seal wrap used in conventional modern builds.
You will notice that the sponge, after a week in the bowl with the plastic wrap on it, is significantly more moist than the one with the mesh. Leave each setup for a month, you will see mildew form on the sponge setup with the plastic wrap on it. The one with the clay mesh will have all but evaporated entirely.
This is what happens when using plastic wrap on anything. That is it's whole purpose, whether you wrap your leftovers in it, or a building. It won't keep bacteria out, but it will keep any moisture that is in it already, or creeps into it through a pinhole, trapped inside.
Simple principles.
This a great experiment. Thanks for sharing.
BlacknRedsInferno absolutely agreed. Never use a vapor barrier if you want a house to last more than seven years, but water and air sealing is a must.
You can't associate an experiment on a project using unrelated elements. The best way to test a straw bale house is to make one in small scale and than fungal test it over time or cut it in half to see if your hypothesis holds true. How do you know if straw can develop meldew when installed dry when straw is resistant to it, what you can find out is if it was possible to have developed moisture over time, and if so if that moisture penetrated through the multi-layered finish. After the small scale experiement, you would than have to do the same testing with a large scale prototype but why waste the effort, the fact that straw bale houses having existed for a long time prove that it can be a practical build.
I wanna build a mechanic shop with straw bales with a 14ft door and a man door. Walls 16ft high with a lift. I live in Ohio so it gets cold but what I'm worried about is welding in a straw bale 20x25 building.
How bout 3:4” OSB exterior wall where strawbale stack between and around studs. Spaced Bale width Then stone face outside. Interior wood framing to hang drywall. Corners steel I beam .truss support.
would a recycled plastic bale work better?
outside render should be made with lime not clay; lime, sand and water; lime plaster is resistand to outside weather conditions while beeing 'breathable'; overhang also helps
Thanks for the comment.
As apposed to cement stucco which traps moisture and rots the straw
Is lime plaster mouse proof or at least mouse resistant?
@@jamesmassmann6524 nothing is mouse proof but lime plaster is like concrete; its strong; you can use 2-3 inches of plaster and be safe; whats important are the details you can have a solid mouse proof layer but leave gaps or possibilities for mice to penetrate when the layer meets other layers/elements of the building
... diatomaceous earth will make any building material insect proof, plus it's cheap.. My question is, can you turn a straw bale into a hybrid concrete straw bale module...by soaking a bale in a slurry of concrete, to impregnate the straw bale with concrete, to turn it into a Composite building system... What are the disadvantages to turning a straw bale into a composite system.
Isn't bale/cob more tornado/hurricane/earthquake resistant? i WAS WANTING TO HEAR SOMETHING ABOUT straw's weight-bearing qualities.
Does anyone know if replacing straw with sagebrush is good? For a bale wall or for adobe
Yes, very interesting; this is my goal; again; thanks a million!!! :)
I am planning a shop , interested in a partial straw bale structure . I have a number of piles and timbers so was looking at a timber frame with cord wood infill . Then a straw bale inside that . Do you have any thoughts on this idea?
can a straw bale house meet b.c. building code ? what about being able to insure it ?
Perhaps the biggest consideration with unconventional building methods is labor. Labor = expense, generally. How skilled does the labor have to be, do you have unskilled volunteer labor available, and how much more labor intensive is your proposed method than standard building methods, which tend to avoid excessive on site labor?
Straw bale construction itself is not very labor intensive compared to other alternatives like rammed earth, it's kinda like working with large, lightweight bricks, but you will need someone who knows what they're doing. Most building codes won't let you use it as a load-bearing material so you'll also need a frame. The rendering is probably going to be the most labor intensive part, lime plaster (not cob) needs to go on in layers so it dries properly. The good news is that the top coat can be colored to suit so you can avoid paint expense.
Another consideration is what to do about electrical wires and plumbing pipes in your walls. With straw bales, you can simply make shallow cuts in the bales with a knife or saw to embed services before applying render, then pack with straw to fill the voids. It's not too much more difficult than dealing with other types of insulated walls.
1 question: Is it covered only in cob on the outside and inside, or does it require a panel shell in order to pass the building code (like a timber frame build does)?
"I like to have a sill I can set things on." This man has a cat.
Could you elaborate on why straw bale construction would not make sense for a sub-tropical climate? I live in the Houston area, (very hot and very humid). Is it because of an increased potential for rot and mold?
I have seen strawbale buildings work in the subtropics but very careful consideration needs to be taken to keep water off of the system with very wide eaves. Generally speaking homes in these regions need to be well ventilated and light construction so that they cool down in the evenings.
So if you had an australian style full wrap around enclosed verandah to keep the walls dry and shaded, it should work well in the subtropics and tropics?
Hi thanks great vid. I note you said straw not good for the tropics. Im in st lucia. Caribbean. Wd cob be unsuitable here too?
Cob would be suitable as it wraps the organic fibres with the mud. Make sure the ratio of clay is appropriate by sourcing a guide for mixing the mud. Also, check out EcoNest Homes to see how they build clay-straw walls :)
Would stucco work. I live in MN
Very helpful. Thanks!
But what about pure Cob wall? are the benefit the same as Strawbale + Cob plastered?
No, the straw sales add R-value for colder climates and are load bearing.
And it's soooo heavy
Thanks
Balanced view
What about here, in Canada, Quebec; we got -30*C in winter and +30*C and humid in the summer... What kind of strawbale buildings tricks would you reccomend?
I would love to build a "hobitt style home" with strawbale insluation.
Stawbale is a great approach for Quebec.
Great,
and what about the vapour barrier on the floor, whals and roof?
Should we use a plastic membrane, a concrete based mortar, a lime mixed with straw and sand?
Thank you VergePermaculture.
@Just think Why foam under the slab?
@Just think For some reason I always thought the foam would go on top of the slab.
I’ll remember that if I do a slab. But I’m hoping to try a rubble trench for the foundation on my straw bale house. It will be one level. 50-60 sqm.
i live in ga, i wonder how i would go about learning what materials are abundant near me?
David, I would recommend getting a few books on Natural building and starting there.
what natural building material would you reccomend for hot,wet and humid climate? Im very interested in finding natural house ideas to build in south India
Hello, thank you for the video, I live in north Africa on the coast of the Mediterranean, it gets very hot (over 40 c) and humid and the winter is not very cold never on the 0 or high rain, so would you recommend rammed earth or strawbale , i know its not straight forward, but just to give an idea and both materials are available localy. cheers
Hi! I live in Nebraska and I am thinking about making a cob house. Is there any network or someone to contact? I have a couple questions and I'm not really finding the answers online.
I live in the panhandle, glad to see others interested in alt building out here.
Can I just state that if you use a concrete render on cob, the entire building will collapse as it needs to breathe. You must use only earthen plasters that are breathable like clay or lime.
Yeah he lost me at concrete render.....
is anyone using spray crete to coat the walls instead of cobb, still adds the thermal mass and is still about the same porosity for vapour for the walls to breath
We're using lime stucco
Aircrete represents thermal resistance, not thermal mass. Thermal mass should be relatively easy to heat up and store a lot of heat, thermally resistant materials are on the other edge of the spectrum. Wikipedia states aircrete R value is quite low, so I may be talking out of turn, however.
hey have a look th-cam.com/video/7W_q60ReZLs/w-d-xo.html
looks like prefab walls of bales coated and then craned into place for a hotel
I did indeed speak out of turn, you wrote "spray crete" and I erroneously read "aircrete" which is probably a different beast. Aircrete being porous concrete, full of pockets of air which provide higher insulation value.
Is concrete really as porous as your standard lime/clay/earth stucco? I have read on several places concrete is not really recommended for straw bale especially due to breathability issues.
That video looks interesting. Check this as well th-cam.com/video/RjNhJqnva3w/w-d-xo.html
I wanted to comment on those modules. From what I have seen, when building with straw one really needs to engulf all of the house structure with straw for it to be efficient. That is, if you make these wood clad straw filled modules, you're bound to have sheets of relatively low R value wood separating relatively high R value straw surfaces. Of course, maybe they have used some sort of high R value laminated wood or something.
Generally, straw should combine well with wood and since it has quite a lot of load bearing potential, it allows to have the house built with a lot less wood, as long as the local "laws" permit such building methods. And as long as you put enough solid, unencumbered straw between you and the open space, you should be golden.
how do you run wiring through the walls?
Jacob Padilla usually with channels in the straw cut in with a chain saw.
I think the best option would be to run as much installations as you can through inner, non straw bale walls. There's a lot to consider, really.
Ooh, yeah, as well one should pay attention, when cutting into straw bale, to have enough thickness left as to not compromise the insulation layer. You'll also want to run your water pipes as far from the straw as possible as water is the enemy number one with straw. In such cases, it's probably safest to just make some walls non straw bale, like the kitchen or the bathroom wall, as long as you have to have such structures adjacent to the outer walls.
Managed to light my garage on fire after lighting some hay on fire. It was loose, low moisture content and was in square bales.
How was it loose if it was in square bales?
@@donaldjohnson3265 There was hay coming off of the bales.
now plaster it on all sides, drill a hole and try to light it on fire.............
@@speedbuggy16v putting plaster on before showing my friend how inflammable hay was probably would have been a good idea. I was dumb back then................
@@alan_clough Alan...you are still dumb! :D
I am considering building a glass geodesic dome with a straw bale house within the glass dome. Please advise positives and negatives. I am also considering using recycled plastic sections tongue and groove as opposed to using wood timber.
Greetings from Australia. As per usual, although this chap sounds Irish, Canadian (??) he needs to reference his location thanks..
Do you think straw bale construction would work well for a chicken coop?
Yeah but your chickens don’t need that sort of protection year round if you live in a climate that gets hot.
i read somewhere it is R2 every inch of straw.
When the strawbale structure starts to age, do the walls deteriorate? Would you see the bale structures without a vapor barrier as a downside in humid climates?
You do NOT want vapour barrier as it will be a potential accelerant regarding mould and deterioration. Strawbale housing, done properly, will last for many many years - beyond standard stick frame is highly probable. If you were to open up a well-sealed wall in a strawbale building, the straw would still be blonde coloured and not smell musty.
As long as you have every crack sealed, a good roof, a good foundation, and no metal that can draw condensation in direct contact with the straw, it'll be great for years. Keeping the moisture out is (like with any house) the #1 goal.
But I totally agree with Cindy Robinson. The point of natural construction methods is that they be allowed to breathe. This means being allowed to release vapor back outside on their own, and to shrink/expand with the temperature, just as they would in nature. Moisture and bacteria only cause concerns when it is trapped into the air, thusly not properly oxidized. It's the greenhouse effect.
I have heard of straw bale structures that still exist that are over 100 years old and were not even plastered and the straw is still there. Nebraska, maybe? Yep! Just looked up 'oldest straw bale house in us'. 117 years old and being studied
castles were full of people who give off heat and fires too. they were lovely places full of tapestries on walls for insulation
Some good points. I am currently in final stages of owner building strawbale house western australia. Facebook house of zedds
I am looking for a builder to help us build a straw bale home in northern Wi.
Wendy, I am not sure I can help you with that. Sorry.
I live in Oshkosh, and have family in Crandon. Let me know if you decide to build. I’d love to help and learn as I go. I’ll help for free on weekends, and I’d be able to stay in Crandon at night. Do you have Facebook, Wendy? I’d love to talk more with you. I plan to build one eventually and would like to bounce opinions off someone in my area that is also interested in strawbale construction.
Hi there. Yes I have Facebook Wendy (Bogart) Ambrose
Not sure how far Crandon is but not close. Contact at FB and let's chat
Can a straw bale building be sheathed in concrete clothe?
No, not typically it is best to use materials in straw wall construction that will not condense.
'' concrete render'' never use concrete render with straw ,,,, concrete prevents the walls from breading , because concrete holds moisture, will also make the straw bales rot,,,,,,, clay base renders is the best way to do it
Lazslo Kochak Plaster is what you want instead
In some geographical jurisdictions, plaster isn't viable as an exterior application because it won't hold up. Walls will still 'breath' with a stucco 'blend' so long as the interior isn't impermeably sealed. This is where air exchangers help out as well...and in some cases, dehumidifiers.
Cindy Robinson The key is to have both interior and exterior walls with the same permeability to moisture, that way it doesn’t become trapped.
@@LiberatedMind1 That helps but not conducive in all regions...such as where I live in western Canada. As long as one side can pull out moisture - thus, no 'vapour' barrier, they do fine. CMHC here in Canada has done most of the testing on strawbale and permeability. Habib Gonzales was one of the main strawbale consultants who did the humidity analysis and I've had the pleasure of working alongside him on one of his projects, as well as having visited another home he consulted on and both use stucco on the exterior - that said, I don't know if the cement to sand ratio differed from standard stucco - I think not, but don't hold me to it. Clay-base renders do not hold up in our climate and moisture problems ensued when it was used during testing trials on exteriors of actual homes.
Cindy Robinson - oh yes I will hold you to it! Lol, jk. Great info all!
Really tired of the "spiritual" side of the green building community. Thanks for some fellow objective perspective.
Ditto
The whole "co2" nonsense discussion is ridiculous. The planet can take care of itself without corrupt human propaganda. To think that people actually believe totally corrupt humans saying they will "save the planet" and it will only cost a few trillion dollars is beyond hilarious.
@@maverickgood5204 CO2 is wandering kinda far from spirituality. Atleast for any meaningful connection that can be made by the average human.
@@maverickgood5204 I suppose we should trust the totally not corrupt people drilling away at the earth releasing so called "co2" (it's literally a chemical I don't know why you would air quote it).
@@MrTehpker He must of mentioned it in the video.
What about the big bad wolf 😂😂😂
😂....but doesn't the cob bake into air dry bricks?!!! Poor wolfue, can't get any bacon.
regarding fire hazard: read about straw bale spontaneous combustion :/
Thanks, some pretty ignorant comments on this. Some seem to not realise the difference between hay and straw though eh!
Just use roxul and build an r50 wall.
Just use roxul...and enjoy its high carbon footprint, expensive, radiation danger, etc...
@Just think Love the irony of you moniker and thx for the meaningless memes .... again. conspiracy nuts trolls don't love you. And have a Hot and Happy New Year my friend....
@Just thinkThere are far more pressing forms of pollution issues than global warming. So I have no interest in debating established facts with you. Over something I really don't care about that much. By going down a rabbit hole of endless conspiracy theories. So tell the voices in your head you won and call it a day.
BTW, For ppl like you it's not really about global warming or C02 anyway. You just have a need to feed a narrative about the "evils of govt" and in your case any large organization that scares you... And that far beyond my grade scale to help you..... So good luck getting help with that...
@Just think Carbon and pollution is real. Energy waste is real. Simple facts are that stuff we use that takes more then our lifetime to replenish is hurting the planner and environment. Flossie fuels are 100% natural like most things. We human create stuff that do not occur naturally and we have a grater impact on the planet then any animal species that have ever existed. We know better and evolved far ahead of anything else. We impact the planet as little as possible and live as animals or we go into full global wars creating tools and communications to in the end ruin the ecosystem. Or we do something in the middle and try stay to facts and care about consequences tomorrow.
Point is that most things we talk about is in the human viewpoint. Not strait facts. Fact is that CO2 dumping is hurting the climate for us and animals/ecosystems. Facts are that politics and greed in producing money and luxury are manipulating us. Facts are that anything one person do to help tomorrow is squandered in portions out of our minds daily by big corps and governments in power. It is just a different word to rulers.
Only thing that is certain is that if people in power can have us live in dirt holes and still be productive workers they would. But things change and politics and stuff moves on and on. So dam right there is bullshit talked about environment and crap. But like most things in life truth almost always lies in the middle and most simple and strait to the point. We can make money making Electric cars populate and make life harder for everyone. Meanwhile in outer countries there governments are trying to get to the same lever and overthrow the big fish. Dam the consequences!
Since the environment or ecosystem is not why government put laws into place they do nothing about that. At best they care about the air quality for themselves being bad. Everyone play the short game or they are abused by others.
Wars are all about oil and food. (energy) Power is all about controlling and violating people and things. Going to burn my diesel at full blast black smoke as long as the ones in power is getting away with it. But facts are real. But politics and power are also real. But there is almost always truth in the middle and the most simple explanation is right on the money. Money is not natural. Heck it is locked into different regions of the world even. But the hole world is affected by anyone's selfishness.
The title should say engineer's, not engineers.
Who cares what I was going to say.
Elwood P. Dowd 🐰
Good vid but your point about castles remember what you currently see is only carcass of castle, they aren't just walls and construction isn't just stone majority of castles had been wooden covered with plaster and made to look like stone or brick. Interiors where highly decorated with walss covered both with plaster but also thick decorative rugs hanging on walls (that Russian thing they all did it back then) and later period castles like Malbork castle had central heating. They where not miserable places to live remember those where rich and powerful people with Duke of Burgundy being medieval Jeff Bezos and even poorest knights being equal to highly paid CEOs riding Porsches.
WOW! IN ADDITION TO INSULATION, THE ATTORNEY GENERAL AND POLICE CONSULT THIS GUY FOR LEGAL ADVICE TOO! PAY ATTENTION KIDS: THAT IS WHAT GROWING UP WITHOUT A FATHER DOES. ANDROGYNOUS TYPES CRY OUT FOR ATTENTION WHILE PRETENDING TO BE COPS ON TH-cam
Moldy hay in pourus cement that moisture levels vary. Ick no thanks .
That’s why it’s straw and not hay.
Seems to me as if you have no idea what you talking about in regards to the R-Value. 20 to 40??? WYF r u talking about. the R-Value is resistance to heat transfer and is calculated per inch. So, check your facts and come again to talk about R-Value. not very smart.
Who cares about aesthetics. That's a materialistic culture concern, not mine.
Pretty much everybody care about aesthetic, even indigenous tribes. But it is not a homogenous thing either.
Who cares what you think depends on your personal aesthetic. Dumbass comment, in my opinion...
"[Straw is] warm" said my profoundly deaf supplier of inferior small bales and I handed over petty cash. The real cost starts with handling on site...
Straw is EXTREMELY FLAMMABLE. anyone whose ever worked the wheat harvest knows that. After the wheat is cut and only the straw is left ask one has tu do is drive over it slowly and the heat from the muffler will cause it to burst into flames. If there at absolutely no air pockets a straw house you should be OK.
When the straw fibers are compressed into bales they lose the ability to easily ignite because oxygen isn't able to penetrate; thus the outcome is a slow smolder. Plus when it is sealed properly, it is even less flammable. The biggest concern is keeping moisture out.
@@cinders302 exactly, raw hay laying in the field is not remotely like baled hay, much less bales in a plaster wall.
we have grass fires near every summer here in the central plains, and I have no problem with the idea of straw bale construction, its probably less flammable than a steel skinned conventionally framed structure.
Haha you win the most ignorant commenter tomato! Flames require ignition, not heat, you get fire even in the winter dummy! :D So it's loose straw that gets ignited by a spark either from the muffler or from another engine or brake system part (the latter being obviously more probable...for a relatively aware person off course) Quit the moonshine!!!
Rodents love to nest in the walls of straw bail houses. Rats, mice, squirrels all love the warmth security- straw is their natural favorite nesting material. Thus guy knows NOTHING about behavior of rodents, he says because"there is "no food value in straw they won't nest in it". Ridiculous. Rides, like most animals don't nest in food, they nest in nesting materials.
That is true and that's why a smart person protects the bales!
All TAlk and not one example of the walls? 👎👎
Rodents won't nest in straw - wrong
Shaw bales are not flammable - wrong
Straw bales have a very low flammability point because oxygen isn't able to penetrate through the compressed fibers. Plus when a plaster or stucco finish is added, it's fire rating drops significantly - 'tis why California is approving strawbale structures more readily than in the past. CHMC, in Canada has done a lot of the extensive research into the viability of these structures. The biggest culprit to building with straw is moisture; thus, making sure it is the building has 'good boots and hat' to shed and drain water away. Rodents like to call straw bales, home, but if the bales are properly wrapped/sealed with stucco, plaster, concrete 'board' or Hardy plank, then rodents are no more a problem then if it were a stick built home (Rodents will live in standard insulation as well).
Bla,bla,bla🤨
Three little pigs
ten minutes of fluff...