Tiny Home on Wheels: Part 2 // Subfloor & Thermal Break // Iron Eagle PAD Trailer
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- เผยแพร่เมื่อ 4 พ.ย. 2024
- This video follows Brian's progress as he installs a thermal break in the 24' Iron Eagle PAD trailer using Foamular 1.5" rigid insulation under the 2x6 subfloor of BCF's latest project: A tiny house on wheels for humans! As usual, he offers up a few tips and tricks on how you can make a solid, thermally efficient subfloor that will be long-lasting and protected from condensation issues.
Resources that helped my decision making:
Derin Williams from Shelter Wise talking about thermal breaks: • Insulate a Tiny House ...
Tiny Nest's TH-cam channel: • The Longest Tiny House...
Actually Tiny's TH-cam Channel: / @actuallytiny2537
Affiliate links for the pieces and parts used in the Tiny House on Wheels:
Precision Temp RV-550 NSP EC Propane Tankless Water Heater: precisiontemp....
Separett Composting Toilet: amzn.to/2ZbxG2G
Sharkbite 6" Frost Free Sillcock: amzn.to/3b5VFWy
FlameKing 30 lb. Propane Tanks: amzn.to/3b6phmz
Summit 4 Burner Gas range: amzn.to/2LO3B6d
Summit Range Propane conversion kit: amzn.to/3PewLH8
Propane conversion kit for Summit gas range: amzn.to/2N5lCgT
Kraus vessel sink and faucet combo: amzn.to/2OBAhRz
Dreamline Slimline shower pan: amzn.to/2MWqgy0
Delta Faucet shower trim: amzn.to/2ZbAmgK
Everchill DC refrigerator (now called "RecPro"): amzn.to/3J7V47T
Martin LP Wall Heater: amzn.to/3ZYjWFL
Renogy 12v 100w Solar Panels: amzn.to/3ZYjWFL
Renogy 12v 200ah Sealed Lead Acid Batteries: amzn.to/3ZYjWFL
Wall receptacles with USB C 2-Pack: amzn.to/3ZYjWFL
Parmida Wafer LED dimmable can lights 6-Pack: amzn.to/3YM6dkl
Broan Nu-Tone 21-inch under cabinet exhaust fan: amzn.to/3cp1wuD
Premium Range Exhaust hood: amzn.to/3clIZiE
Rainfall Shower Head: amzn.to/3cqB0kr
Delta Shower Faucet Trim: amzn.to/3aLwBIg
Upper loft reading lights: amzn.to/3PC0hX3
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Some Tiny House trailer models have a perimeter flange where the exterior walls are anchored and supported. However, a perimeter flange has the potential to facilitate thermal bridging since an uninsulated corner is formed where the subfloor and exterior walls meet. This vulnerability causes condensation to form inside the living space. In order to maintain a consistent insulated envelope a Tiny House will require a trailer with a full width subfloor, built within the trailer frame, that extends out to the space usually occupied by the vulnerable perimeter flange; eliminating any uninsulated corners.A trailer with a full width subfloor is preferred to eliminate non insulated corners. Trailers with uninsulated perimeter flanges or outriggers maybe susceptible to thermal bridging between the corners where the perimeter walls and subfloor meet with the potential to form condensation near the inside corner the Tiny House floor.
I used two fat beads of quad max below my doug fir bottom plate fastened to the perimeter flange with galvanized 5/8” through bolts. The bottom of the subfloor and the top of the bottom plate are essentially at the same level. The rockwool insulation sits down flush on top of the wall plate and stops any thermal bridging from the flange and so far we have had zero condensation issues.
Wow, I needed this exact video! I am 100% newbie builder, am using the Iron Eagle trailer as well ,and wanted the thermal break subfloor design. But only had it in my head, eek! Soooo incredibly helpful to see it done! Thank you :)
Glad this helped out! Thanks for reaching out!
And I died at “hauling off your wood splitter” 😂
Your funny dude. I like your little comments. Keep it up. I am getting ready to do my own house on my property in South Texas on the Copano bay.
Thanks HB! The Copano Cabana baby! Hope your project goes super smooth! Thanks for dropping a line!
Love your videos.Great work and creativety.
Thanks William! That means a lot. Have a great week!
This is exactly the way I need to learn. If it isn't fun, I won't retain it. Thank you.
You are very welcome! Thanks for watching. I appreciate the support.
Can wait to see the rest of the build
Thanks! I can't wait either.
That intro with the drone shot and timed to music was 🔥! Also that 3 point hitch for the bota makes it look so easy 👌🏼
I totally love the heavy hitch. That thing has already saved me so much time.
Thank you for actually showing how to do it. I feel like everyone does a montage and I never know why they do things.
Thank you Kristina! I felt the same way. No real in-depth coverage of this very important step.
Good stuff man! Good energy.
Thanks brother! I appreciate that!
Nice work Brian, certainly crammed every camera angle in there.. Nice drone shots as well and I liked the landing on the trailer! Tighter than a tick on a dogs ear! 😂😂
Thanks brother! I pulled the trigger on a GoPro Hero 9 which has made a big difference in getting a couple angles at once. Now I need to get to the point to upgrade to a lil badboy mirrorless like you have!!!
@@BidwellCanyonFarm haha do it man, you know it makes sense! 😉😂👍
I enjoyed watching your video. Funny and a lot of great info. I've been looking online and I think Iron Eagle's tiny house trailers are the best. I hope to build our tiny house in a couple of years.
Hi Tom, thanks for the comment. I definitely think iron eagle makes a superior product. I highly recommend them. Plus, in my experience, they have excellent customer service and phone support.
Great video. Well done you 😁
Thanks buddy!
Brian, Thank you for posting these videos. I am about 2 months behind your build. I was excited to see your thermal break behind the the rim joists. That was a clever move. I have been pondering that Achilles heal for a while, but feeling unsure about the stability of the floor system with the insulation sandwiched between the rim joists. I'll take your cue and do the same. Similarly, I am going with your hot water heater floor vented model too. I currently live in a "not-well-built" tiny house in Wisconsin and the drafts are driving me nuts. There is a wall mount vented propane heater but I don't particularly cart for it. While it does a descent job at heating the tiny, the quality of air isn't favorable. As I lie sleeping in the loft it not only becomes stuffy but there is a felling of oxygen depletion. I crack the window because there is no air interchange system which is a key element in a tiny house, especially a tight one.. My solution to heat in my "Scorpius" tiny house is to utilize the on demand hot water and using a heat transfer plate set up a closed system in-floor hydronic heating system. It feels like uncharted domain but I'm up for the adventure. I look forward to more of your progress videos. Cheers.
Scott, Thank you for watching and engaging with such a great comment! I am really loving the hydronic heating idea! I may be waiting a couple months for you to catch up so I can take some cues from you! Thanks again! Have a great build.
@@BidwellCanyonFarm Brian, as I delve further into my in-floor heat design for the tiny house, I want to utilize the on demand water heater for both domestic hot water and radiant heat. Since the pex tubing run through the floor will be filled with an anti freeze solution (petro glycerin) the two systems will need to be isolated from each other. In order to heat the closed radiant system I’ll use a small heat exchanger that will sit in the primary loop of the domestic hot water system. Without it getting to complex I’ll simply use a two zone manifold (note im building on the 16ft pad tiny house trailer) and just have a front and rear zone heat. Another thing that makes me interested in this system is the potential to connect it to other forms of boilers, like a wood fired siphon style boiler as the off grid experience progresses. It seems like it has a potential to be more modular in fuel types. Also, I can’t stand the cold floors in the tiny house I’m currently in, no pun intended. Note, I’m not sure there is anymore than a plywood subfloor under the engineered click together floor in this under-built tiny, so there is that. Question: how are you feeling about the rigidity of your rim joists with the insulation sandwiched between the trailer? Is there any sign of sagging or compromise in the fomular as you’ve been walking on the subfloor? Any unwanted squeaking despite your abundant use of the PL glue?
Cheers,
Scott
@@scottclements9029 I am very happy so far with the rigidity of the floor. The glue above and below the foam is key. No squeaks and feels very stout. I have a special treatment for the doorway in mind which i will demonstrate in an upcoming build viddy.
heater sounds dangerous code require fresh based upon the btu's of heating system.
Beautiful work mate
Thanks so much! I appreciate it.
Thanks for taking the time to do this video, I definitely learned a bunch too!
Thanks for watching Charles, I appreciate the feedback!
That's awesome bro
Thanks brother!!! Not awesome on the pocketbook tho!
Great idea for the weep holes!! And the rodent prevention, I spent months on a renovation slash conversion of a vintage trailer only to get to sub floors and find that fifty years of rodents damaging the structure And the decades of acidic urine destroyed the underbelly and the steel frame! It was junk what a waste of time and money!! So hazardous!
I wouldn’t have even thought of it if we lived in a rodent free zone (do those exist?) but since the rodent scene is so heavy duty here, my brain is constantly thinking how to make stuff rodent free. Thanks for the comment!
Hey, would you be able to get me the thickness of the tubing they use, 1/8", 3/16" or 1/4"? I'm trying to get specifications to mimic their design since I live on the opposite side of the country and don't have the budget to spend double for transport lol.
I’m almost positive it’s 1/8” tubing. I will check today and get back to you.
Cool vid. Looking great. I was wondering if you saw any issues having the OSB on top of the foam boards on the perimeter of the trailer butting agains the future rim joist? Is it going to compress?
Hi Benjamin, thank you for reaching out. I used a fair amount of the “foamboard” glue under the osb. it seemed to take any flex out of the edge. The main foot traffic will be in the middle of the floor and the doorway. At the doorway i am planning on fastening the bottom plate straight to the trailer (no foam under the plate) which will brings the plate flush with the top of the foam. Then i can fasten a piece of osb (ripped to the width of the plate) with the tongue side in the door way to the groove side of the osb sitting on the foam. This should pick up any flex in the doorway. Hope that made sense. Have a radical year!
i'm picking up my 24' Iron Eagle here in a few hours and heading down to central Oregon myself ! I was curious if you are adding any foamular under the bottom plate, or if the bottom plate will be bolted directly to the steel flange?
looking forward to watching more of your farm videos !
Hi Evan, there is no foam beneath the bottom plate. After much research, i decided to go with untreated Doug fir with a couple healthy beads of “quad max” caulking between the trailer frame and the wood. Using pressure treated will cause a galvanic reaction and rust your bolts out relatively quickly. Hope this helps. Good luck!
Watching in 2024:)
Awesome!!! Thanks!
Sickkkk
🙏
One very amateur question. How exactly did you use the Square to assure those trailer to subfloor holes were drilled straight?
I hold the square’s bigger wider part against the trailer frame and use it as a visual guide to keep the shaft off the long 5/8” drill bit as straight to the square as possible. Usually there is about an inch or two between the edge of the square and the shaft of the drill bit. Hopefully that makes sense. It just adds a bit more of a visual guide than anything.
@@BidwellCanyonFarm perfect thank you!
I’m curious how the 24” oc is working with the 3/4” osb? Have you found there to be any flex? I am trying to keep some weight down obviously but also add more insulation and less wood. Everything I’ve read says to bump up the size on osb if going 24” oc. Was this a thought? Thanks!
Hi Jared thank you for the question! Yes there is a bit of flexion with the 3/4” OSB. It is definitely rated for the 24” span when oriented perpendicular to the floor joists the tongue and groove spans the gaps between the joists. I wanted to use the 1 1/8” tongue and groove but it is way heavy, however you would not get any flexion with that product. Spendy too. Hope this helps.
Did your trailer allready come with the metal sheets for the floor if so can you explain what they are as I’m welding a frame from scratch and need something to put the insulation on for the the 2x6 frame.
They did come pre-installed from the company as an added cost. They are galvanized panels that are sealed to the frame with caulking and self tapping metal screws. They are approximately 3'x7'6 panels. Hope this helps.
Hello! I was wondering why you went with 1.5” foam board and could one use .5” and still get good enough results?
We are in a cold climate and every bit helps. You get an R-value of 5 per inch with the xps foam. So we are at 7.5 with the 1.5” add that to the r-23 of the Rockwool we are looking at a 30.5 subfloor r value. Cozy!
Do you think you’d need this same insulation combo here in so cal?
I think it is good to have a thermal break between the metal and the interior framing. Otherwise you will get condensation inside the frame. Also not a bad plan in case you were to ever sell it in the future, it would be more appealing to someone in a cold climate. Thanks for reaching out Fritz!
@@BidwellCanyonFarm Thanks for responding!
Great camera footage from different angles ans drone. Very cool. Only thing I didn’t like was your voice would be quiet, I’d crank volume to hear then music would come on and blow out my ear buds lol. Overall cool videos.
Sorry about your eardrums! I am not super thrilled with the editing software I use (Lumafusion) It definitely has some issues with audio. That being said I appreciate the heads up on that, I will take a closer listen on the next video. Thank you for the comment!
hello, we are starting to build our tiny house on wheels project, what kind of metal sheet did you use for pan belly flashing? what is the gauge? TIA
Hi there! The Iron Eagle PAD trailer has a 22 gauge galvanized pan pre-installed as an add-on. There is a heavy black caulking below each lap and it it’s screwed to the trailer frame extensively with self tapping metal screws. The pan comes in 4’ wide by 80” long sheets, but that will depend on your particular build, hope this helps. Best!
where in the pacific northwest can i get advice on my build?
Not sure. I was able to get a hold of Darrin at Shelter Wise in an email.
Did you end up putting a vapour barrier or did rely on the XPS to do that for you.
Relying on the xps.
Cleaning that floor like he's going to eat off it
Haha, yeah. Figured I was never going to see it again and didn’t want any moisture etc. causing problems. Probably could have set a world record for largest jambalaya before I covered it up tho!
Doing this now, are those 5/8 carriage bolts?
No. They are 5/8” hex head bolts. I used a washer and lock washer.
@@BidwellCanyonFarm I used 5/8 carriage, with a lock washer and bolt. I’m building mine in bend
@@MattPack732 Great! I hope the build goes super smooth for you!
where abouts in the world are you? wont that condensate between the insulation and the sheet metal?
The metal will definitely condensate which is why the rigid foam is between the rockwool and frame. I also drilled a bunch of weep holes in the galvanized pan for drainage. I haven’t had any issues with this setup. We are in the high desert. Usually very dry with little humidity. 14” of rain per year on average. These last couple years have gotten more rainfall than average tho.
@@BidwellCanyonFarm condensate on the inside of metal I mean,
No outer moisture vapor barrier??
Not sure what you are referring to. Over the subfloor?
For me please good job 👏 👍
Thanks Mack!
Disc golf course
Would definitely consider it if it wasn't my primary residence. Might throw a couple holes in for good measure though.
@@BidwellCanyonFarm just sayin I don’t think there’re any courses in modoc.
Schools, parks, farms, breweries, blm, forest land, everyone’s putting in courses. Someone should definitely pioneer courses for the kids and folks in modoc to get smashing
@@discblaster9210 I agree. I used to play the Chico course when I was a wee lad, and always had a fine time. Great sport!
You need to stagger your seams more…
Too late!
Hi guys are you need your support back
Shaka brah! chop some brakalay!