Lay a panel of polystyrene.
Rigid foam insulation on basement concrete walls.
Paper foil or vinyl.
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.
Your choice really comes down to blanket insulation aka fiberglass or xps.
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.
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.
This is very common mainly because it is very cost effective.
After that thin furring strips are installed on top of the foam to provide a firm base for the drywall screws and drywall.
Let s take a look.
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.
Allows spacing for electrical wiring and other utilities.
When insulating interior basement walls in a finished basement use our styrofoam brand insulation.
This allows for some drying to take place as foam board is somewhat permeable.
The concrete should be dry and free from cracks before installing foam insulation boards.
Creates a finished appearance.
If necessary address moisture problems and seal cracks before you begin.
The place to control vapor migration is on the exterior of the basement wall in the form of waterproofing or damproofing.
Styrofoam brand insulation is a rigid insulation that can be placed directly on walls framing and drywall.
Usually made of fiberglass and it typically has some type of facing attached.