Insulation boards / Discussions

Can you use Foam boards on basement walls to stop condensation?

...insulation was added on one of the walls (all others checked and fine) condensation is building up after I waited a month or so into winter and pulled the insul...

Posted by Chad Johnson Dec. 21, 2019, 7:59 p.m. Basements improvements 3 Responses

Can Rockwool be installed over Type II EPS?

...insulation to an existing exterior wall, it is important not to trap moisture. Rockwool insulation is one of our preferred methods for adding insulation to the ...

Posted by Brian Bonnell March 30, 2020, 11:04 a.m. Wall assemblies - renovation 1 Responses

What's the difference between EPS and GPS insulation?

...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 webpage about GPS insulation? I want...

Posted by Ronald Tetrault Feb. 3, 2021, 5:22 p.m. Insulation and soundproofing 1 Responses

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

...insulation between the floor joists and has 3 - vents to the outside. I am thinking of 1" foam boards on the walls, sealing the floor. There is no moisture only...

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

What is the best way to insulate my basement?

...Insulation over the bare concrete and leave the framed walls insulated as the are? 2. Install Foam Boards over the concrete and replace the foam in between th...

Posted by Chris Rogers Oct. 27, 2019, 11:23 a.m. Foundation and basement improvements 1 Responses

What is the best way to finish a basement with exposed pink fiberglass insulation?

...insulation without boxing in the pipes that cross lower than the ceiling joists. Could pine boards be fitted between the joists up against the insulation or is ...

Posted by Claudia Fieo Oct. 6, 2020, 10:48 a.m. Basements improvements 0 Responses

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

...boards, then rigid foam insulation and then faced fiberglass batts and then plywood subfloor of the outdoor deck. The rigid foam was not sealed (no air barrie...

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

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

...boards for installation in my basement rim joists, should I be looking for faced or unfaced foam boards to install there--and which surface of the boards (faced...

Posted by Thomas Dispenza Sept. 8, 2019, 12:43 a.m. Basements improvements 6 Responses

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

...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 not be breathable...might be be...

Posted by Michael Sweglar July 8, 2020, 10:43 a.m. Wall assemblies - new construction 3 Responses

How do you attach steps to slab on grade insulation?

...boards to do so (this will be a non-toxic house), that leaves somewhere in the vacinity of 8" of foundation insulation assembly proud of the wall plane. The pro...

Posted by Mary Alm Dec. 2, 2021, 11:24 a.m. Slab on Grade 3 Responses

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

...insulation/15639#a6-2 " I want to use a professional company to spray foam the joist area while using XPS ridgid boards for the wall and floor. ( Top of slab)...

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

Followup to the question How do you install Larsen Trusses on a home in Minneapolis?

...boards are1x's. I’ve done thermal scans of the walls. There doesn’t seem to be excessive settling of the cellulose. I’ve checked the attic in the winter and the...

Posted by Ken Traefald Feb. 27, 2020, 1:49 p.m. Wall assemblies - renovation 1 Responses

Where can I find hempwool and hemp Hurd/binder?

...Insulation and Hemp Building Products , we are currently in the process of setting that up, so I would suggest Joining Ecohome as a member for free (we don't sp...

Posted by eamonn mcnaughton Aug. 17, 2020, 9:08 p.m. Insulation and soundproofing 1 Responses

Do frost lines where studs are on a wall show a failure of spray foam insulation?

...insulation in a wall assembly. The best method of wood frame construction would always include continuous insulation on the exterior of walls, without that yo...

Posted by Gerald Crozier July 22, 2019, 10:24 p.m. Insulation and soundproofing 1 Responses

What is the best insulation Under 2" Cement flat Roof in NYC?

...insulation for a flat roof, and there are several to choose from. Probably one of the more common types of insulation used for flat roofs is rigid polyiso board...

Posted by Rafael Mor March 29, 2019, 5:19 a.m. Roof assemblies - new construction 1 Responses

Can foam boards cause a chemical reaction?

...insulation - read more here: The difference between Polyiso, EPS & XPS Foam Insulation & Styrofoam Check out the following as well, it can help you find saf...

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

Where can i buy hemp batt insulation in Western Canada?

...insulation for this metal frame. Do I need to use foil tape with hemp insulation in the van? Thanks Jen Non-toxic natural building materials like hemp are a...

Posted by Jen Moffat Aug. 14, 2020, 11:14 p.m. Insulation and soundproofing 4 Responses

Where can I buy hemp batt insulation in Canada?

...insulation for a metal structure. Would like to purchase Canadian product from Canadian diatributor (not California). We will soon be suppling Hemp Insulation a...

Posted by Jen Moffat Sept. 23, 2020, 12:48 p.m. Insulation and soundproofing 1 Responses