Spray foam / Discussions

Can you spray foam a house from the outside?

...spray foam from the outside. It seems we could also drill holes and blow spray foam in without removing the sheathing. Now that the blowing agents are more eco-...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

Can I spray foam insulate from the outside?

...spray foam properly from the outside you would need to see bare studs, and spray foam in the stud cavities. So that would leave you without sheathing, so you wo...

Posted by Kurt Klischuk June 6, 2019, 8:56 a.m. Wall assemblies - renovation 3 Responses

What insulation is there for a shipping container home that isn't spray foam?

...spray foam when trying to prevent condensation in the wall assembly of a 40 foot shipping container home?

Posted by Jim bo April 1, 2021, 3:37 a.m. Tiny house 0 Responses

Spray Foam for basements, which of the different types are best environmentally?

...spray foam insulation in general for basement conversions and which spray foam would be best for environmental reasons to help us make a decent choice. Thanks! ...

Posted by Rose Adams Jan. 9, 2020, 9:33 a.m. Insulation and soundproofing 1 Responses

Is spray foam a good way to insulate a house from the exterior?

...spray foam reccomended or is there something I am missing? Any help is grately appreciated! Simon Spray foam in this case will provide everything you are lo...

Posted by Simon Levitt Dec. 21, 2020, 2:14 p.m. Wall assemblies - renovation 1 Responses

Do I need to spray foam the ceiling of my crawl space to help winterize it?

...spray foam, so if you go that route I would pitch you the idea of choosing a spray foam with blowing agents that reduce greenhouse gas emissions . And the las...

Posted by Sheilagh Thompson Jan. 21, 2021, 1:48 p.m. Crawl spaces 1 Responses

Is it a good or bad idea to spray foam directly on the interior of shiplap siding?

...spray foam directly to the back siding of your cladding doesn’t sound like a good idea to me, but I’d need a few more details. And first check out this page to ...

Posted by MITCHELL KOCH Aug. 21, 2020, 3:49 p.m. Exterior cladding 1 Responses

Fill gap between wood stud wall and closed cell foam or fill the stud bays?

...spray foam on the concrete walls. The stud walls are 3-5" " from the close cell spray foam. I can either (try to) pack the void between the wall and the uneven ...

Posted by B Mac Dec. 13, 2021, 6:31 a.m. Wall assemblies - renovation 3 Responses

Do frost lines where studs are on a wall show a failure of spray foam insulation?

...spray foam rather than a failure. The wood studs will transfer far more heat than the Spray Polyurethane Foam (SPUF) , so what you are seeing could actually be ...

Posted by Gerald Crozier July 22, 2019, 10:24 p.m. Insulation and soundproofing 1 Responses

Will spray foam on basement walls prevent condensation?

...spray foaming the concrete walls, eliminate this issue ? mike What you noticed points directly at what the problem is, which is the vapour barrier. When you r...

Posted by Michael Scott April 12, 2021, 9:17 p.m. Basements improvements 3 Responses

Can you use spray foam Insulation under a slab?

...spray foam below a slab, but I’m not sure why you’d want to. Spray foam for sure has uses where it is the best choice by a long shot, but under a slab is not th...

Posted by Linda Martin April 6, 2020, 11:54 a.m. Slab on Grade 1 Responses

Do I need exhaust fans for bathrooms if I have an ERV that is connected to them?

...spray foam in walls and ceiling and an erv that is connected to the bathrooms. Do Ii need exhaust fans in the bathrooms also?

Posted by Dennis Pierron Jan. 10, 2022, 1:33 p.m. Ventilation 0 Responses

How do you insulate an attic in Victorian House in Massachusetts?

...spray foam. So what to do? Are there spray foams that don’t emit toxic gases even if the foam is applied incorrectly? Do you think spray foam is risky?

Posted by dan sagalyn Dec. 5, 2020, 11:30 p.m. Roof assemblies - renovation 0 Responses

Which exterior insulation is best to create at thermal break in an bungalow in Alberta?

...spray cork renders vs. fully insulating the outside of our home with rockwool or foam board and new siding. We need a cost effective solution to create a therma...

Posted by Rebekah Barnes Jan. 17, 2020, 10:07 p.m. Wall assemblies - renovation 1 Responses

What is the best non toxic insulation for a house?

...spray foam will be a choice you are happy with . Outside of the less harmful blowing agents, there is still the reality that any material that spray foam is app...

Posted by Jude Smith Sept. 10, 2021, 10:12 a.m. Insulation and soundproofing 1 Responses

How do you insulate a cathedral ceiling?

...spray foam insulation. My walls are double 2x4 stud walls 12 inches deep and will have 2-3 inches of closed cell spray foam insulation to create a air and vapou...

Posted by Raoul Lions Oct. 19, 2019, 8:07 a.m. Roof assemblies - new construction 1 Responses

What is the best way to insulate a 2x8 wall?

...spray foam or 2 layers of 4" foam board not sure which kind would be best ......or spray foam and fill the rest with rock wool....it would be nice to talk to so...

Posted by Michael Sweglar July 8, 2020, 10:43 a.m. Wall assemblies - new construction 3 Responses

How do you insulate an exterior wall from the outside?

...spray foam manufacturers have switched to climate friendly blowing agents , so we’d suggest you try one of those. As for options other than spray foam, this pag...

Posted by Stuart Seldon Feb. 11, 2021, 12:21 p.m. Wall assemblies - renovation 1 Responses