This is the same stuff your disposable coffee cup and is made out of and it s used to protect fragile items in their packaging.
Expanded polystyrene foam insulation for basement walls.
Expanded polystyrene foam eps is the cheapest and least used foam board product on the market.
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.
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 insulation for basement walls.
Expanded polystyrene insulation is similar to the foam used for packing peanuts and it s typically used for insulated concrete forms also.
Polystyrene foam boards commonly called foamboard are a clean lightweight convenient way to insulate bare concrete walls.
Basement walls don t need to dry inward so it s ok to use foil faced rigid foam for this purpose.
There is almost.
Use a premade kit for this type of project.
Estimated savings for r 10 insulation range from 250 in washington dc to 400 in minneapolis.
Eps expanded polystyrene foam insulation boards.
Half inch gypsum board usually provides sufficient ignition barrier check your local building code.
Follow with a 2x4 frame wall and insulate it with batt insulation.
In most basement wall situations the foam plastic insulation material will need to be covered by a fire ignition barrier.
Many energy experts recommend r 15 to r 20 for far northern states.
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.
How to glue polystyrene insulation to a concrete wall.
This product typically has an r value of 3 6 to 4 0 per inch of thickness.
For a basement remodeling project consider insulating basement walls with foam board.
Rated at r4 per inch.
On october 3 2020 by amik.
For more information on this issue see joe lstiburek discusses basement insulation and vapor retarders.
There are a few different kinds of foam board insulation diyers should know about.
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.
Expanded polystyrene foam insulation for basement walls.