Spray Insulation On Concrete Walls

Concrete walls can be insulated on the interior or exterior face or by embedding the material within the wall.

Spray insulation on concrete walls.

And yes it is a foam just like your beloved spray foam. Closed cell spray polyurethane foam or either xps eps or polyisocyanurate rigid foam. This refers to insulation uninterrupted by furring or by the webs of concrete masonry units. Spray foam insulation is in my opinion the best option for basement walls if you can afford it.

The best way to insulate the interior side of a basement wall is with foam insulation that is adhered to or sprayed directly on the concrete. Buy unfaced friction fit batts and seal the walls with a 4 mil poly vapor retarder. Because it isolates the concrete s thermal mass from the inside space however it is the least desirable from the standpoint of energy conservation. In this article i d like to share several other sites that discuss using spray foam insulation for basement walls.

Seal the gap between the bottom plate of the wall and the floor with acoustical sealant or caulk. While these are the options again the material available to use depends on whether the walls will be covered or the open top is exposed like in a remodel or new build. Spray foam insulation for basement walls. Press the poly into the sealant.

Concrete is a good conductor of heat which means it transfers cold air inside from the outside very easily. Interior installation using the rigid board batt or spray on methods is the least expensive method. I ve written quite a few posts on insulating basement walls using rigid foam board insulation. Closed cell spray foam is the best insulation for a concrete wall because it gets into all of the pores on the surface of the concrete.

It can even stop small water leaks in the concrete. The option for insulating concrete block walls includes spray foam insulation injection foam insulation polystyrene beads foam boards and loose fill masonry insulation. Geolift can help to lift existing concrete surfaces and fix those problem areas around your house with much less labor. Geolift works for driveways sidewalks patios garage floors even pool decks.

Examples include rigid insulation adhered to the interior of the wall with furring and drywall applied over the insulation continuous insulation in a masonry cavity wall and exterior insulation and finish systems. One of the options the iecc prescriptive r values iecc table 502 2 1 calls for continuous insulation on concrete masonry and other mass walls. This creates a tight air and moisture seal. Any of the following insulation materials are acceptable for this purpose.

Geolift works in three steps.