In a new construction build it is recommended you hang a wall of the concrete 3 4 inches to allow for foam board to be slid beyond the wall or frame a small 8 12 section of wall and have that insulated prior to the installation of the mechanicals.
Spray foam basement concrete walls.
No one should use fiberglass to insulate a basement anymore.
Geolift works in three steps.
Here s everything you need to know about using spray foam for foundation and basement repairs.
The only type of insulation that makes sense for stone and mortar walls is closed cell spray polyurethane foam.
Spray foam insulation for basement walls.
Using closed cell spray foam to insulate a basement wall.
Why you shouldn t use spray foam to fix basement and foundation leaks.
Spray foam insulation is in my opinion the best option for basement walls if you can afford it.
I recently framed my basement walls with 2 of eps foam fastened to the exterior wall with all seams taped and corners spray foamed.
Geolift works for driveways sidewalks patios garage floors even pool decks.
Foam it green closed cell spray foam is the quickest and easiest way to insulate any type of basement wall.
Fiberglass doesn t stop air water mold bugs rodents or radon.
Geolift can help to lift existing concrete surfaces and fix those problem areas around your house with much less labor.
In as much as there are many people who advocate for spray foam as a means of keeping water out it is merely a quick fix that doesn t solve the underlying problem.
I ve written quite a few posts on insulating basement walls using rigid foam board insulation.
If you plan to insulate your basement walls with spray foam the best approach is to frame your 2 4 walls before the foam is sprayed leaving a gap of 1 1 2 in.
I left a 1 gap between the foam and framing and when i insulated the walls with r12 batt insulation i noticed moisture forming behind the insualtion where the insulation was contacting the foam.
In this article i d like to share several other sites that discuss using spray foam insulation for basement walls.
This video shows foam engineers applying icynene open cell spray foam insulation to my basement foundation wall.
The first step is to drill holes in the problem concrete.
I used dc315 as a thermal barrier where spra.