Foam / Discussions

Can you spray foam a house from the outside?

...foam with foil directly under the siding. Someone recommended removing the sheathing and doing spray foam from the outside. It seems we could also drill holes a...

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

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

...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

Can I spray foam insulate from the outside?

...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 would ne...

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

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

...foams available some of which mention climate change and environmental concerns - but we're wary of greenwashing, so I would value your opinion as to spray foam...

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

What is the best foam board insulation under drywall?

...foam board insulation attached to the stud and seams taped. Then I would set 1/2" drywall on top of the foam and attached with long screws. Does this sound li...

Posted by Wesley Pracht Jan. 11, 2020, 8:10 p.m. Wall assemblies - renovation 1 Responses

Can you use Foam boards on basement walls to stop condensation?

...foam board and still be a problem? Hoping to just be able to apply foam to regulate the concrete temps and prevent inside warmer air from touching the concret...

Posted by Chad Johnson Dec. 21, 2019, 7:59 p.m. Basements improvements 3 Responses

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

...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 looking ...

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

Can you install foam boards directly against basement walls?

...foam on the inside for now does the block need to be painted before I put the foam against the block are waterproof and what with. Hey Rocky, At 2 inches thic...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 15 Responses

Can basement walls to dry to the inside with foam board?

...foamboard to my basement foundation walls. From all of my reading it says that your basement foundation walls can only dry to the inside. If I put foamboard on ...

Posted by Tim Hanrahan Aug. 20, 2020, 12:34 a.m. Basements improvements 6 Responses

What is the best way to install 5" of XPS rigid foam on interior basement walls?

...foam glued to concrete then wood glued to foam will last. The stud wall can be screwed to the ceiling and the floor, which makes the foam adhesive obsolete on...

Posted by Sean MacDonald June 14, 2021, 10:42 a.m. Foundation and basement improvements 8 Responses

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

...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 last poin...

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

Should I put foam boards right against my basement wall or leave an air gap?

...foam board to the inside of the wall or leave a gap for air? I understand mold will not grow on the board but I am afraid that there are very small cracks in th...

Posted by Elijah Hargett Jan. 9, 2021, 5:31 p.m. Foundation and basement improvements 4 Responses

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...foam board insulation held in place with the special plastic pegs (since the poly will not allow adhesive to affix it to the wall), blue sheathing tape on foam ...

Posted by DONandCATHY Crenna Dec. 14, 2020, 2:21 p.m. Basements improvements 3 Responses

Can you put foil covered foam panels inside a framed wall?

...foam on the inside of a framed wall would be a practical application? I'm open to using any type of insulation in the wall cavity. The foil based rigid foam pan...

Posted by William McCart Feb. 22, 2021, 12:38 p.m. Insulation and soundproofing 3 Responses

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does go?

...foam - with the added benefit of making sure that at least 2" of foam has zero possibility of getting moisture back in once the concrete slab has dried out beca...

Posted by Grady 22 Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

Can you add exterior rigid foam insulation (e.g. EPS) with replacing windows?

We are contemplating an energy retrofit to several 1960's chalet style cabins in Northern VT. Budget matters and the windows of the cabins are in reasonably de...

Posted by Peter Milliken Nov. 9, 2020, 9:13 a.m. Wall assemblies - renovation 0 Responses

How thick should EPS foam insulation on basement walls be?

...foam insulation is made of tiny foam beads squished together, so there is a continuous path between the beads where moisture can move, but the rate moisture wil...

Posted by Derrick R March 17, 2021, 9:13 p.m. Insulation and soundproofing 3 Responses

What is the best exterior rigid foam insulation for under a deck?

...foam panels, we would recommend EPS rigid foam instead of XPS as it is cheaper and less environmentally harmful, read more here about the performance and charac...

Posted by Andrew Cherubini March 21, 2021, 9:02 p.m. Insulation and soundproofing 3 Responses