Rigid Foam Insulation On Basement Concrete Walls

The place to control vapor migration is on the exterior of the basement wall in the form of waterproofing or damproofing.

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. This allows for some drying to take place as foam board is somewhat permeable. Usually made of fiberglass and it typically has some type of facing attached. Is rigid foam insulation the right insulation for your basement.

Paper foil or vinyl. Most homes use fiberglass but rigid foam insulation although more costly offers a few extra features. Let s take a look. Lay a panel of polystyrene.

Allows spacing for electrical wiring and other utilities. 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. 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. Creates a finished appearance.

This is very common mainly because it is very cost effective. 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. When insulating interior basement walls in a finished basement use our styrofoam brand insulation. The concrete should be dry and free from cracks before installing foam insulation boards.

Styrofoam brand insulation is a rigid insulation that can be placed directly on walls framing and drywall. Rigid foam insulation packs a lot of r value into a thin package but not all rigid foam performs the same. If necessary address moisture problems and seal cracks before you begin.