Foam / Discussions

Basement reno - How do I effectively insulate my basement?

...foam EPS (1.5" or 2"?) +wood stud with Rockwool R14 +Drywall +moisture/vapour barrier laytex paint. Which EPS thickness should I go with? Concrete Slab: DMX a...

Posted by Steve J Feb. 13, 2019, 10:25 p.m. Foundation and basement improvements 2 Responses

What is the best way to insulate embedded joists in a basement Montreal Home?

...foam on rim joists of old homes is one of the few places we regularly recommend it, as any material with spray foam on it is not recyclable or re-useable and wi...

Posted by Emil Idf Jan. 7, 2020, 8:34 p.m. Foundation and basement improvements 1 Responses

How can I heat a bedroom above a garage?

...foam over the system. Thanks in advance. Steve

Posted by Steve Dulmage April 30, 2020, 9:18 p.m. Wall assemblies - renovation 0 Responses

How do you fix radon and water infiltration in a dry stone foundation?

...foam insulation on walls necessary? 3) would you pursue a radon system drawing under the vapor barrier or an HRV w radostat? I don't want to unnecessarily over-...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses

Can you provide Crawlspace Insulation Design Assistance?

...foam would be problematic (I also have heard some spray foam horror stories that make me cautious). I would cap off my efforts with a continuous running dehumid...

Posted by Randy Christensen Dec. 10, 2019, 12:17 p.m. Crawl spaces 1 Responses

What is the best way to deal with a drop ceiling in a high humidity room?

...foam insulation and then faced fiberglass batts and then plywood subfloor of the outdoor deck. The rigid foam was not sealed (no air barrier) and this portion...

Posted by steve Roberts Dec. 24, 2019, 8:01 p.m. Walls and ceilings - interior surfaces 1 Responses

What is the best way to reduce humidity in a basement?

...foam strip! So - as we want to use the space in the basement, what are the suggested steps to reduce the humidity? What should we put on the uninsulated floor...

Posted by Frank Cooper Oct. 17, 2019, 10:45 p.m. Basements improvements 2 Responses

How should I insulate basement Walls in climate zone 5?

...foam on them so any warmer air from finished basement would permiate through mineral wool to the wall but air space would or should allow for dry out no? Thou...

Posted by Chad Johnson March 25, 2019, 8:33 p.m. Basements improvements 1 Responses

What windows should you use when trying to build a Passive House?

...foam insulation first to avoid vapour barrier in roof system ( Hot roof). Both exterior and interior will be clad with log siding. I wanted to use wood window...

Posted by Raoul Lions Jan. 25, 2019, 2:18 p.m. Windows and doors 1 Responses

What is the best way to insulate rim joists with EPS and batts?

...foam boards will act as a vapor barrier and the thermal barrier. For an air seal, you may want to actually do that first, which could be a simple matter of appl...

Posted by Steve J July 18, 2019, 3:53 p.m. Basements improvements 1 Responses

For home renovation, is it better to install insulation on the inside or outside?

...foam, you could fill exterior cavities with batt insulation, dense packed cellulose, you could also add rigid foam panels, Rockwool panels etc, there are many m...

Posted by Neil Richardson Jan. 29, 2019, 4:09 p.m. Wall assemblies - renovation 1 Responses

What is the best way to Insulate a basement and floor joists that are embedded into the concrete?

...foam, that will prevent them from drying and it may lead to rotting, that’s a whole other can of worms you really don’t want to open. Hey David, do the wooden j...

Posted by David Pereira April 28, 2020, 10:34 p.m. Foundation and basement improvements 2 Responses

What is the best exterior Wall and Roof Rigid Insulation for a barn renovation?

Building a 24 X 50 Post and Beam barn. Thinking of applying 2 layers of 4 " (8" total) of rigid insulaton, offset seams on top of 1 X 8 sheathing. Seams of top...

Posted by Ron Busch June 27, 2020, 3:50 p.m. Wall assemblies - renovation 1 Responses

Halo Exterra rigid exterior insulation - has anyone work with it?

...foam itself is the vapour barrier. So if your plan was either 4 inches of Rockwool or 4 inches of Halo rigid insulation, I'd be less concerned that if you were ...

Posted by George Shannon Jan. 21, 2020, 3:39 p.m. Insulation and soundproofing 3 Responses

What is the best way to insulate a home from the outside?

...foam would be my second choice, thicker is better for a number of reasons that are better explained here . Over that you can install a weather resistive barrier...

Posted by Sylvie Gagnon Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

What is the best way to insulate the basement of an old house?

...foam acts pretty much as a type II residential vapor barrier, but I would put the vapor barrier right against the foam and do the poly on top. And as for fini...

Posted by Bryan Squirrell Jan. 14, 2020, 7:59 p.m. Basements improvements 1 Responses

What type of wood can be installed on a radiant floor?

...foam insulation. Six inches and sometimes more, depending on your specific climate, would save you energy and money in the long run. As for damage to the wood...

Posted by Colleen Blak Dec. 11, 2017, 1:59 p.m. Flooring and stairs 1 Responses

How would I rectifiy problem of foundation wall cracks with finished basement?

...foam rigid insulation panels, read more here . On top of that you could apply a cement board that can be parged or left as is. Let me know if any of those optio...

Posted by Terry P July 22, 2020, 7:07 p.m. Basements improvements 2 Responses