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.
Insulate concrete block wall basement.
Before re siding your exterior walls add a layer of.
Of unfaced expanded polystyrene r 15 that allows the foundation to dry inward and condition the space with air from inside the house.
Any of the following insulation materials are acceptable for this purpose.
Your only option is to cover the inside of the exterior walls with a continuous layer of insulation as though you were insulating a basement wall.
Insulation is vital for concrete basement walls the basement hold the house s furnace water heaters laundry machines and essential utilities.
Insulating basement walls in cold climates is a great way to keep your home warmer and drier.
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.
However special care should be used when insulating concrete or block masonry basement walls.
And there is no effective way to fill the voids in an existing concrete block wall.
Below grade concrete foundation walls are very col and damp.
Because they are naturally located below ground level basements are mostly cool and damp.
Rigid foam insulation offers an r value of 4 to 8 per inch according to energy savers while fiberglass provides only 2.