Spray Foam Insulation to Building Wrap | What should we know?
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- เผยแพร่เมื่อ 2 ต.ค. 2024
- Can spray foam insulation be sprayed to a building wrap? In this video we go over field observations.
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I’ve seen metal bulged out when praying right to the metal
On the perlins does make sense to add a thermal break tape between the wood and steel before spraying?
What gauge steel is recommended if you want to spray your full thickness at once and not worry about the heat of the foam
16
I suppose that you can just wrap where the wainscot is going to be. Since that's where it's most likely to get damaged.
My pole barn home in SC was wrapped with Solargaurd silvercote. It’s tight and on the ceiling and walls. Will I be fine to spray foam it? If so should I do closed cell or open?
Any Videos coming discussing insulating a room over an attached garage? Would love to be informed before the Foam guy does it. Thanks
Sure, I will come up with something. Stay tuned.... maybe next video
I second this; I am doing this now and would love input
If you answer Erica Linton's Q about self applied foam kits, please outline a syllabus for somebody you give the keys to a company truck and trailer worth $100 K, US. I think it would go far to explain labor costs and what they accomplish. Nice piece, answered some of my "barndo" Q's. Thanks! FR
I'll bet the asphalt impregnated fiber boards we used to use would be a great underlayment. Real cheap, easy to cut and probably could be installed as fast as tightly installed house wrap. Would probably withstand damage to the metal sheathing thereby making most repairs faster, cheaper and easier.
Gee why even spend the money for material and labor for wrap, just use closed cell foam?? The foam could vastly increase the building structural integrity when applied directly to posts, beams and metal siding melding them in one cohesive structure.
I agree, that is how most of the ones we do are completed.
How often do you see the metal buckling from heat when the foam is sprayed directly to it? With Dark colors?
Never. 16 gauge metal is tough enough.
@@SprayJones 16? Everyone around here uses 29guage?
@@justinwirtz83 I’ve never saw it with any gauge of steel.
You say, open cell spray foam shouldn't get wet, ideally if it's done correctly it should never get wet, right? By the way I love your videos, keep up the good work!! 👍
People do stupid things and place open cell foam in situations where is will get wet.
You are correct it is designed to be in dry spaces.
Good info. Answers the common questions for pole buildings.
Glad it was helpful!
Best best info ... don't forget about us little fans that were here in the beginning as your channel EXPLODES into huge money. You do a superb job on all of them and the sound and info and everything
Tyvek is do-able but certainly difficult to work with. Must be tightly installed or you will have air voids because of bubbling. Well explained Mike.
Thanks
can I spray on felt/tar paper or should I remove it and spray directly on the brick?
Always try to get tight to the substrate if you can. So yes remove it.
You you spray in the US?
No
I do have a couple questions regarding barndominium construction. if a panel were to get damaged on the outside without a membrane (tyvek), and there is a kitchen on the interior, how would you go about repairing the foam after removing the panel? do you have to be able to have access on the interior to reapply foam? Do you recommend a diy kit? I see some great looking 2lb closed cell kits on ebay with the air gun. I do have some experience spraying paint and several 600 board ft foam kits. Thanks again! great videos!!
The repair would happen from the exterior. Small foam kits are meant for touch ups, not spraying a huge project.
Am I correct to say you prefer closed cell direct to metal? A house wrap is acceptable if it's tight. Without a wrap and using closed cell, what are your thoughts about the air gap behind the 2x6 horizontal board where the meet the ribs of the metal?
I try to be as straight forward as I can... I thought I answered all that.
@@SprayJones sorry, guess I missed the part about the air gap.
Seems like building wrap would be a good vapor barrier between metal siding and wood purlins (horizontal nailers)? Thoughts?
It isn't. Vapor barriers are to go on the warm side. For 90% of the population that means internal.
Most foam manufacturers (especially Carlisle) I have used do not recommend direct spray to wrap, tyvek, interesting.
You have to know WHY they say that and the total context. Tyvek is not an approved substrate on its own with no supporting structure.
@@SprayJones Does your manufacturer honor warranty claims when sprayed to these variety of wraps?
@@joshuareece9951 We don't have warranty claims.
@@SprayJones Hmm, can you answer that question or no? I understand not everyone wants to divulge business practices. Thanks.
@@joshuareece9951 I have not made warranty claims involving tyvek. I have not had adhesion issues with Tyvek when it is restrained in an assembly. I do not have technical bulletins advising me that I am on my own if I encounter Tyvek and spray to it. Heck Walltite is approved to be sprayed over crushed rock, membranes, ABS pipe, PVC, PE plastics on on...
Thanks for the shout out to the Carolina's
You're Welcome
Absolutely the info I needed! Many thanks. I had one company tell me that the Tyvek had to go, and the company tell me that there is no problem (along with your 'taut' advice) and that after 15 years they've never had a call back for that particular issue. Thank you for clearing the air. I plan to go back more staples to REALLY secure that Tyvek well, looking for any pockets/ripples/looseness. Thank you for adding solid info to the community knowledge base.
Glad I could help!
Fish mouthing... sounds like someone has their Nace.
No, just been around a while.
@@SprayJonesMy name is Eric. I live just outside Calgary and was thinking about turning a 30x40 hay shed into a shop house. I assume you're probably a very busy person based on the quality of your work. Perhaps I can pick your brain on the best methods to bridge the systems if I plan to spay foam under the slab and how it is incorporated into the vertical wall sections.
Can u come to GA and spray my barndominium?? Just curious I trust your company
No, sorry. Border closed. Plus DHS will not allow entry unless specialized.
I have 29ga walls, what’s the chance 2” closed cell foam will cause the metal to “oil can” or buckle?
Very. I suggest they do a 1/2 inch flash coat, and then build up the thickness you want.