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.
Expanded polystyrene foam board insulation for basement walls.
Foam board insulation is a great alternative to the very common fiberglass batt insulation that is in most of our homes.
When you are looking for polystyrene eps insulation board think halo.
There is almost.
When this ignition barrier is supported on a stud wall the cavities of this wall may be filled with supplemental insulation.
Polystyrene foam boards commonly called foamboard are a clean lightweight convenient way to insulate bare concrete walls.
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.
How to glue polystyrene insulation to a concrete wall.
In most basement wall situations the foam plastic insulation material will need to be covered by a fire ignition barrier.
What is foam board insulation.
For a basement remodeling project consider insulating basement walls with foam board.
For new construction use rigid boards to insulate slabs and the outside of foundation walls.
Eps expanded polystyrene foam insulation boards.
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.
It has a higher r value per inch of thickness it s resistant to moisture and is easy to work with.
Rated at r4 per inch.
Expanded polystyrene insulation more commonly referred to as eps is a closed cell insulation that has been around since the 1950 s.
Rigid foam insulation uses one of three materials.
Use a premade kit for this type of project.
Attach the tongue and groove insulation boards to the concrete wall with adhesive.
Many energy experts recommend r 15 to r 20 for far northern states.
Follow with a 2x4 frame wall and.
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.
Half inch gypsum board usually provides sufficient ignition barrier check your local building code.
When using foam insulation on basement walls the building code irc requires r 5 for southern states excluding the deep south and r 10 for the rest of the us.