Closed cell spray polyurethane foam or either xps eps or polyisocyanurate rigid foam. Insulating basement walls in cold climates is a great way to keep your home warmer and drier. Insulation is vital for concrete basement walls the basement hold the houses furnace water heaters laundry machines and essential utilities.
Because they are naturally located below ground level basements are mostly cool and damp.
Insulating basement concrete walls. The best way to insulate the interior side of a basement wall is with foam insulation that is adhered to or sprayed directly on the concrete. Insulating a basement properly is rather challenging in cold climates. For an energy efficient option use sprayed foam insulation. To insulate basement walls you can use blanket insulation which you just nail or staple into the wood frame in your basement.
Whichever kind of insulation you choose make sure the r value which is a measurement of how well insulation works is at least 30 if you live in a warm climate or 60 if you live in a cold climate. To ensure theres no dampness seeping through the walls conduct a simple test using plastic sheeting and duct tape. In this article id like to discuss how to insulate basement walls in cold climates. The key to successfully insulating basement walls is selecting insulating materials that stop moisture movement and prevent mold growth.
I have been asked many times what should be done with the existing basement wall insulation wrap that many new homes have pre installed when finishing off the basement. Any of the following insulation materials are acceptable for this purpose. Or you can install drywall over the studs and then add loose fill insulation. Insulation materials are the key.
Insulating basement walls with cis when insulating a basement with cis the first step is laying a 12 foam base gasket along the floor to enhance. That is why insulating your basements walls is necessary especially. The most important concern to address before insulating your basement is moisture. This video is in response.
How to insulate basement walls. Rigid foam can be adhered to a poured concrete or concrete block wall with foam compatible adhesive or with special plastic fasteners such as hilti idps or rodenhouse plasti grip pmfs. Best way to insulate poured concrete basement walls on june 23 2020 by amik build concrete basement calculator the dirt on below grade insulation basement finishing how to finish unled1. However special care should be used when insulating concrete or block masonry basement walls.
So you must assume that your concrete is fully saturated and full of water in order to properly insulate your basement walls. 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.
