Expanded Polystyrene Foam Board Insulation For Basement Walls

Spray foam is also an option but usually a lot more expensive than foam boards.

Expanded polystyrene foam board insulation for basement walls.

Expanded polystyrene insulation more commonly referred to as eps is a closed cell insulation that has been around since the 1950 s. These are panels of rigid foam sold in 4 by 8 foot sheets in a variety of thicknesses from 1 4 to 2 inches it is also sold in large bundled panels joined at the ends accordion style for use as an exterior sheathing material. Eps foam insulation boards are more permeable to air and moisture than xps but it doesn t retain moisture to the same extent because of it s more closed cell structure and it s breathability which lets it dry out. For new construction use rigid boards to insulate slabs and the outside of foundation walls.

Eps is made of 98 trapped air and only 2 plastic making it an efficient insulator with a small amount of raw material. How to glue polystyrene insulation to a concrete wall. When you are looking for polystyrene eps insulation board think halo. There is almost.

What is foam board insulation. Follow with a 2x4 frame wall and. Rigid foam insulation uses one of three materials. Use a premade kit for this type of project.

Many energy experts recommend r 15 to r 20 for far northern states. Where polystyrene foam bead insulation has been installed into brick veneer walls as an insulation improvement or retrofit mold and mould odors in building wall and ceiling and even floor cavities may later be traced to leaks into the cavity especially for homes in humid climates such as areas in the u k. In most basement wall situations the foam plastic insulation material will need to be covered by a fire ignition barrier. Polystyrene foam boards commonly called foamboard are a clean lightweight convenient way to insulate bare concrete walls.

Eps expanded polystyrene foam insulation boards. When this ignition barrier is supported on a stud wall the cavities of this wall may be filled with supplemental insulation. Attach the tongue and groove insulation boards to the concrete wall with adhesive. Half inch gypsum board usually provides sufficient ignition barrier check your local building code.

For a basement remodeling project consider insulating basement walls with foam board. There are a few different kinds of foam board insulation diyers should know about. Expanded polystyrene is very versatile because it can be molded and cut into different. Foam board insulation is a great alternative to the very common fiberglass batt insulation that is in most of our homes.

It has a higher r value per inch of thickness it s resistant to moisture and is easy to work with.