Choosing rigid foam boards / Discussions

Can you install foam boards directly against basement walls?

...rigid foam boards against the wall THEN the stud wall, you don't want to have organic material exposed to moisture, particularly having a source of moisture on ...

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

What is the best way to insulate my basement?

...Foam Board 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...

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

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

...boards) on the wall that is perpendicular to it. Some insulation companies have usggested we should remove the fibreglass insulation and replace it with spray f...

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

How do I insulate my half below grade basement?

...rigid insulation against the wall to keep the moisture out. You have probably seen a few of the following pages but I’ll add them in case, and for anyone else...

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

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

...foam or 2 layers of 4" foam board not sure which kind would be best ......or spray foam and fill the rest with rock wool....it would be nice to talk to someone ...

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

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

...Foam Insulation & Styrofoam There are rigid insulation boards that will act as the insulation only, insulation and air barrier only, or all in one - insulatio...

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

What is the best way to insulate the exterior walls of an older home?

...Choosing the right exterior rigid insulation (see here) is very important. It is best to install a vapour open exterior insulation so you don’t trap moisture in...

Posted by Geoff Kavanagh June 30, 2020, 4:01 p.m. Wall assemblies - renovation 1 Responses

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

...foam the joist area while using XPS ridgid boards for the wall and floor. ( Top of slab) Whats the best approach. Thank you We advise against spray foamin...

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

How you vent a metal roof?

...rigid foam panels, followed by the drainage plane membrane? If using the Silverboard SB-35 foam insulation would be equally effective, would it be better to u...

Posted by Kim jarrett July 12, 2019, 12:15 p.m. Roof coverings 3 Responses

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

...foam strip! So - as we want to use the space in the basement, what are the suggested steps to reduce the humidity? What should we put on the uninsulated floor...

Posted by Robert J. Pierson Oct. 17, 2019, 10:45 p.m. Basements improvements 2 Responses

How do you fix radon and water infiltration in a dry stone foundation?

...foam, it will still insulate, so the risk of freezing is still there. Here is our page on choosing rigid insulation boards , you can see some options there and ...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses