Closed cell spray polyurethane foam or either xps eps or polyisocyanurate rigid foam.
Insulate concrete block wall basement.
Insulation is vital for concrete basement walls the basement hold the house s furnace water heaters laundry machines and essential utilities.
If you re still in the process of building your basement walls add foam inserts to the cavities in each cinder block to.
Insulating basement walls in cold climates is a great way to keep your home warmer and drier.
Of unfaced expanded polystyrene r 15 that allows the foundation to dry inward and condition the space with air from inside the house.
Basement walls made out of concrete stone concrete bloc and other masonry foundation materials have very minimal insulating properties and cause approximately 20 of heat loss in a home.
Rigid foam insulation offers an r value of 4 to 8 per inch according to energy savers while fiberglass provides only 2.
Below grade concrete foundation walls are very col and damp.
Before re siding your exterior walls add a layer of.
And there is no effective way to fill the voids in an existing concrete block wall.
However special care should be used when insulating concrete or block masonry basement walls.
Any of the following insulation materials are acceptable for this purpose.
Leave the floor above it uninsulated vapor seal the ground below with polyethylene and a thin concrete slab insulate the walls with a foam based insulation such as 4 in.