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"XPS"

XPS / Discussions

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

...XPS rigid insulation. It’s a great product; we have reservations about the climate impact as XPS foam has high green house gas emissions, but finding used stuff...

Posted by Sean MacDonald June 14, 2021 Foundation and basement improvements 8 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/drye...

Posted by Robert J. Pierson Oct. 17, 2019 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. I ...

Posted by tom mckeand Oct. 14, 2019 Basements improvements 1 response

Can you install foam boards directly against basement walls?

I read in one of your articles when putting up rigid foam to Install two inches of rigid insulation board directly against concrete.  A mold expert told me to p...

Posted by Ted Gorab Oct. 3, 2019 Basements improvements 26 responses

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

...XPS Foam Insulation & Styrofoam We always choose (and recommend) EPS over XPS due to the fact that XPS has much higher greenhouse gas emissions than EPS.  S...

Posted by Thomas Dispenza Sept. 8, 2019 Basements improvements 6 responses

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

I have been reading so much on insulation ....and out of the foam boards I think eps might be the best to use,  but not sure if the foil face would be good, may...

Posted by Michael Sweglar July 8, 2020 Wall assemblies - new construction 3 responses

Which type of exterior insulation to use on a house?

I want to first off thank you for taking the time to read this and hopefully provide some help. I've watched the great videos on here and just want to ensure I'...

Posted by Trevor Marshand May 26, 2020 Insulation and soundproofing 1 response

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

...XPS or Mineral Wool to prevent rot in building envelopes.

Posted by George Shannon Jan. 21, 2020 Insulation and soundproofing 12 responses

Can I purchase XPS made with HFOs?

...XPS insulation have switched blowing agents yet. So as it stands, any XPS rigid insulation board you purchase will still have an impact several hundred times wo...

Posted by Kate Noblio Dec. 14, 2019 Insulation and soundproofing 3 responses

Is polyiso board or styrofoam best for insulating when finishing a basement in CO?

...XPS rigid insulation boards I have a few questions that will help us pin down the best way forward for you - How old is the home? Is there an exterior membrane...

Posted by Evan B. Nov. 21, 2019 Basements improvements 1 response

How do you fix a moisture problem in a finished basement?

Eight years after our house was built, we noticed that the MDF baseboards in our finished basement became discoloured and swollen from potential moisture. We re...

Posted by Margo MACFARLANE Oct. 28, 2019 Foundation and basement improvements 1 response

What is the best way to insulate my basement?

I have an unfinished walkout basement with 3 sides at or below grade. The two sides of the house have poured concrete step foundation down toward the rear with ...

Posted by Chris Rogers Oct. 27, 2019 Foundation and basement improvements 3 responses

What's the difference between EPS and GPS insulation?

While searching to purchase EPS boards, which are very difficult to find here in QC, I've bumped into a 4' x 8' x 1" thick board, called GPS.  Do you have a web...

Posted by Ronald Tétrault Feb. 3, 2021 Insulation and soundproofing 1 response

How should I install XPS insulation in a basement?

...XPS against the foundation and framing an interior wall inside of that.  Option 1 is to piece the XPS to follow the contour of the transition to the narrower bl...

Posted by Ken Hunold Dec. 27, 2020 Basements improvements

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