Foam panels / Discussions

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

...foam insulation panels And to answer your question, yes, you can put foil based rigid foam panels on the interior of framed walls in *certain* climates. They ...

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

Should you seal all rods and penetrations for a radon barrier?

...foam panels on the interior basement walls? Yes, to reduce radon levels in homes and have an effective radon barrier, you would need to seal all holes protrudin...

Posted by D H Dec. 25, 2020, 9:08 p.m. Healthy indoor air quality 1 Responses

is a double vapor barrier on a South Florida roof bad?

...foam sprayed on underside of roof deck. I am considering a peal and stick membrane under roof panels but have been advised I would be creating a 'double vapor...

Posted by Arthur Moore April 6, 2020, 12:57 p.m. Roof assemblies - renovation 0 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

How do you remove moisture and condensation from basement walls?

...foam or rigid foam and do not change the exterior waterproofing, will that stop the moisture from coming inside? Or is digging down and adding a waterproofing m...

Posted by Aaron Keating July 27, 2019, 4:51 p.m. Basements improvements 3 Responses

Combo structural sheathing, WRB and thin insulation panel in Ontario?

...panels don't make the trip. Similarly, BP's panels don't make across the Quebec border into Ontario, and are unavailable through RONA, despite being on their we...

Posted by Steve Bull Jan. 14, 2020, 6:06 p.m. Walls and Roofs 3 Responses

How do you insulate a crawlspace with dirt floor?

...foam panels on the concrete block walls (2 inch) The cottage is 900 square ft. To complicate things, we have just made a 400 square foot addition on concrete pi...

Posted by sal Bellicoso Oct. 30, 2019, 4:56 p.m. Crawl spaces 2 Responses

Basement reno - How do I effectively insulate my basement?

...foam? Next would I fill rim joist cavity with Rockwool, then EPS + Drywall? or Just sandwich+seal EPS panels to build it up to the foundation wall insulation? ...

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

What do you think of Legalett Wall Insulation?

...panels, but we do like them, we just haven’t gotten to featuring it yet! Legalett provides prefab slab on grade form kiits with air heated floors as you mention...

Posted by Igal H Aug. 19, 2020, 3:52 p.m. Walls and Roofs 1 Responses

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

...foam panels – Choosing rigid foam insulation panels, which is best? I assume at least some of the insulation will still be exposed above grade, correct? Did...

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

How thick should EPS foam insulation on basement walls be?

...foam insulation, as they are all a bit different and not all great for the same purposes – Choosing rigid foam insulation panels, which is best ? Do you hav...

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

Can you install foam boards directly against basement walls?

...foam and at least 2 inches for proper protection from moisture. read here about Choosing the right rigid foam insulation panels . I always find it hilarious whe...

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

How do you make an airtight house envelope?

...foam is not something I would rely on as an air barrier, and even spray foam can sometimes shrink and crack, leaving gaps that can lead to air leakage. Are you ...

Posted by Valeriy Kraydman Dec. 1, 2020, 2:52 p.m. Air and vapour barriers 1 Responses

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

...Foam panels will act as at least a bit of a vapor retarder, if not an impermeable vapor barrier. And the foil on foam panels would quality as impermeable, even ...

Posted by George Shannon Jan. 21, 2020, 3:39 p.m. Insulation and soundproofing 9 Responses

How do you best use polyiso insulation in a basement?

...panels here – Rigid insulation panels: which ones are best for different applications EPS or Rockwool are typically our preferred products for basements due...

Posted by Iain Matheson Jan. 24, 2020, 7:45 p.m. Basements improvements 1 Responses

What is the best way to do a cottage reno adding an insulation blanket?

...foam route then I’d look at Thermalwall exterior wall foam insulation panels . They are easy to attach, are perfect for insulation as well as vapor protection. ...

Posted by Barton Rowe Feb. 28, 2021, 1:27 p.m. Wall assemblies - renovation 2 Responses

What are the options for adding Exterior Roof Insulation?

...panels if the circumstances are right. They are foam panels with a metal rail in the center so they could be attached using short screws, which is much more aff...

Posted by Marlo Raynolds Aug. 29, 2020, 9:19 p.m. Roof assemblies - renovation 4 Responses

Is insulating an existing home from the outside a good solution?

...foam panels will, which can trap moisture inside walls and lead to rot. Water vapor moves through mineral wool easily, and it isn’t harmed by moisture if it get...

Posted by Cate Prichard June 26, 2021, 3:27 p.m. Wall assemblies - renovation 1 Responses