Foam Board Basement Wall Insulation

There really isn t a single best way to design and build a basement wall think of it as a physics problem to solve.

Foam board basement wall insulation.

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. For a basement remodeling project consider insulating basement walls with foam board. Basement insulation walls. Use a premade kit for this type of project.

Click to add item insofast exi 2 5 r 10 eps foam board insulation panels 40 sq. Cover the boards with plywood. Eps is used under roofing over foundation walls and beneath siding. Then you can do your walls and they are protected from the damp floor bt the foam board.

R 3 graphite radiant barrier wall insulation kit 9 sheets kit model sbgxs062502pkit. Basement foam board insulation pros. Ft to the compare list. 2 foam board seams taped and spray expanding foam into gaps between floor and wall insulation.

The material can be made from polystyrene polyisocyanurate or polyurethane. Basement insulation is far more complicated than insulating regular wood framed walls. If you don t do this correctly you ll be exposing your family to dangerous mold exposure. When this ignition barrier is supported on a stud wall the cavities of this wall may be filled with supplemental insulation.

Have you seen any basements where the floor is done similar to the wall insulation you ve described. Foam board insulation is a rigid panel of insulation that can be used to insulate any part of your home from top to bottom. R 3 2 polyisocyanurate rigid foam insulation board model 754404. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.

Attach the tongue and groove insulation boards to the concrete wall with adhesive. Some rigid foam products are water resistant that can help limit moisture buildup and mildew growth. Ft to the compare list. In most basement wall situations the foam plastic insulation material will need to be covered by a fire ignition barrier.

You can stick a vapour barrier against the concrete in fact when you put rigid insulation boards against it that is in effect what you are doing as foam panels will act to slow or virtually stop vapour. In fact improperly insulated basement walls are one of the biggest reasons for mold in homes. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Compare click to add item insofast exi 2 5 r 10 eps foam board insulation panels 40 sq.

After that thin furring strips are installed on top of the foam to provide a firm base for the drywall screws and drywall but can you run rigid foam between the studs just as you would do with fiberglass rolls or spray foam. For new construction use rigid boards to insulate slabs and the outside of foundation walls.