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Is EPS or XPS better for use in basement rim joists? Should faced or unfaced foam boards be used?

...XPS, because the foil itself is a vapour barrier. We always choose (and recommend) EPS over XPS due to the fact that XPS has much higher green house gas emiss...

Posted by Thomas Dispenza Sept. 8, 2019, 12:43 a.m. Basements improvements 4 Responses

Insulating under the footings of a frost protected shallow foundation

Hello, I’m designing a FPSF in Southern Vermont (AFI 2300). I want to fully insulate the radiant slab by including 4″ XPS under the footings but this seems t...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

How much insulation if any should I install underneath my concrete slab in my basement

...XPS below a slab, the added R value of XPS just isn’t worth the added cost – meaning EPS is cheaper per R value, and XPS manufacturing has very high green house...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

Using EPS in basement: Non-continuous

...XPS foam has higher greenhouse gas emissions , but it works better for air and vapour protection so in this particular case I would probably go pick up a few sh...

Posted by Steve J July 20, 2019, 10:01 p.m. Basements improvements 2 Responses

How do I insulate my half below grade basement?

...XPS with 4" studs and roxul insulation to give around r24 (local code). This is expensive and I'm not 100% on board because the basement is half above grade. ...

Posted by tom mckeand Oct. 14, 2019, 11:01 p.m. Basements improvements 1 Responses

Foam board insulation in basement

...XPS insulation boards (which are a vapor barrier) you would be ensuring that the wall cannot dry to the interior either, so what you would have is an ideal mold...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 4 Responses

What type of Insulation can I use on the exterior of my home?

...XPS like Dow Cladmate would a WRB still be required do you think? Am i on the right track? Thanks Scott You're right that the IKO is a polyisocyanurate pane...

Posted by Scott Muller April 18, 2019, 2:19 p.m. Wall assemblies - renovation 6 Responses

How to insulate an apartment you don't own?

...XPS Foam Insulation & Styrofoam Top Tips for Getting a House Ready for Winter Best Energy Saving Tips for Green Homes

Posted by Teresa Cunningham Oct. 21, 2019, 3 p.m. Wall assemblies - renovation 1 Responses

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

We live in Bellingham WA and our basement was built in the 70's. It has high humidity (70-80%RH) although I don't see any visible damp anywhere. The washer/dry...

Posted by Frank Cooper Oct. 17, 2019, 10:45 p.m. Basements improvements 1 Responses

I want to insulate the outside of my house and I'd like to know which type of insulation you think is best.

...XPS foam insulation at about 1 inch thick will act as a vapour barrier, EPS foam insulation will start to act as one at about 2 inches, and polyisocyanurate (th...

Posted by Anonymous Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 7 Responses
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