EPS foam / Discussions

What kind of foam board should I use to insulate rim joists in Wisconsin?

...foam insulation, have a look there and we can discuss more if you like. The difference between Polyiso, EPS & XPS Foam Insulation & Styrofoam

Posted by Matt Kime Sept. 12, 2021, 10:31 p.m. Basements improvements 1 Responses

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

...eps 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...

Posted by Tim Hanrahan Aug. 20, 2020, 12:34 a.m. Basements improvements 6 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 Mc Feb. 22, 2021, 12:38 p.m. Insulation and soundproofing 3 Responses

Which is the best foam board insulation to put against poured concrete basement walls?

...EPS foam (Expanded Polystyrene) and XPS foam, see the differences here – The difference between Polyiso, EPS & XPS Foam Insulation & Styrofoam But here’s th...

Posted by Patricia Roberts Dec. 28, 2021, 6:18 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

How do you insulate an exterior wall from the outside?

...foam insulation would provide you with a vapor barrier along with being the insulation. Specifically there is a ThermalWall EPS foam panel from Legalett that is...

Posted by Stuart Seldon Feb. 11, 2021, 12:21 p.m. Wall assemblies - renovation 1 Responses

Can you install foam boards directly against basement walls?

...foam insulation against concrete walls, we would recommend EPS foam and at least 2 inches for proper protection from moisture. read here about Choosing the righ...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 16 Responses

Can you use spray foam Insulation under a slab?

...foam polyurethane. If not, why? When building a slab on grade, EPS rigid foam insulation is the most common choice of insulation, for performance and cost . I w...

Posted by Linda Martin April 6, 2020, 11:54 a.m. Slab on Grade 1 Responses

Can foam boards cause a chemical reaction?

...foam - specifically mineral wool insulation - read more here: The difference between Polyiso, EPS & XPS Foam Insulation & Styrofoam Check out the following ...

Posted by Joel Clipsham Sept. 30, 2021, 7:17 a.m. Healthy indoor air quality 1 Responses

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

...foam insulation. 2 inches of EPS rigid foam would be a vapor barrier, but it’s not thick enough to protect your wall properly. Have you ever heard of the 2/3r...

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

What is the best way to insulate a crawlspace to keep humidity down and stop odors?

I have a crawlspace with 4' concrete walls and a cement floor, insulation between the floor joists and has 3 - vents to the outside. I am thinking of 1" foam b...

Posted by Dave Bell Oct. 24, 2019, 3:57 p.m. Crawl spaces 3 Responses

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

...EPS, correct? That's good to hear if so, that's not overkill at all. The thing about EPS insulation, is that a 'little' on the outside (like 1 or 1.5 inches) ...

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

Does insulating a slab on grade make the building less stable?

...EPS foam, but a raft slab (which distributes the weight evenly over the entire floor) doesn’t even require high-density foam. To put the compressive strength ...

Posted by Nicolas Jalbert May 28, 2018, 4:56 p.m. Slab on Grade 1 Responses

I want to insulate the outside of my house, which type of insulation do you think is best?

...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 (the on...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 12 Responses

What insulation should you use to cover the ground GEODESIC Dome?

...EPS rigid foam insulation are both suitable for below slabs, so I think you’re best with one of those.

Posted by Vincent Warwick Oct. 1, 2020, 2:09 p.m. Insulation and soundproofing 1 Responses

What is the proper location of a vapor barrier in a home in New York State?

...foam insulation - is it a good green building material or potentially toxic? But if you do use it, the foam itself acts as the vapor barrier so no other would...

Posted by Michael Boice Jan. 15, 2022, 10:18 a.m. Air and vapour barriers 2 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

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

...foam insulation on basement walls is not a bad one. However, spray foam itself is a vapour barrier, so you wouldn’t need to apply a typical 6 mil polyethylene v...

Posted by Margo MACFARLANE Oct. 28, 2019, 10:24 a.m. Foundation and basement improvements 1 Responses