Rigid Foam Insulation On Basement Concrete Walls

The correct method of using rigid foam is to run continuous 4 foot by 8 foot sheets of the foam across the concrete basement wall making the rigid foam the de facto wall.

Rigid foam insulation on basement concrete walls.

Styrofoam brand insulation is a rigid insulation that can be placed directly on walls framing and drywall. Most homes use fiberglass but rigid foam insulation although more costly offers a few extra features. Creates a finished appearance. Allows spacing for electrical wiring and other utilities.

Usually made of fiberglass and it typically has some type of facing attached. When insulating interior basement walls in a finished basement use our styrofoam brand insulation. Your choice really comes down to blanket insulation aka fiberglass or xps. The concrete should be dry and free from cracks before installing foam insulation boards.

This is very common mainly because it is very cost effective. Lay a panel of polystyrene. After that thin furring strips are installed on top of the foam to provide a firm base for the drywall screws and drywall. I also used rigid foam board on my basement walls before putting in studs insulation and sheetrock.

Let s take a look. But before i glued the foam board to the walls i painted them with some of that white drylok paint specially designed to seal against moisture leaks. If necessary address moisture problems and seal cracks before you begin. Paper foil or vinyl.

Choose rigid insulation wisely and consider the effect its characteristics will have on the performance of the your project overall product cost and the best way to get the bang for your buck. On the interior the best insulation to place against the concrete or block is rigid foam without any facing such as foil or plastic sheeting. Is rigid foam insulation the right insulation for your basement.