Insulate Interior Concrete Basement Walls

Spray foam is probably the best possible insulation material for basements and damp areas.

Insulate interior concrete basement walls.

Extruded polystyrene foam insulation to fit against the rim joists and foundation walls. Many energy experts recommend r 15 to r 20 for far northern states. Use foam insulation 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. Tape a small piece of plastic sheeting to a bare concrete wall with an impermeable duct tape border and wait 48 hours.

The most important concern to address before insulating your basement is moisture. Most new building codes require a r 11 insulation or better in your walls when you remodel the basement including michigan. Get free shipping on qualified basement insulation or buy online pick up in store today in the building materials. 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.

Closed cell spray foam is perfect for locking out the water vapor that inherintely wants to migrate from your damp basement walls to your finished basement rooms. Because they are naturally located below ground level basements are mostly cool and damp. And there is no effective way to fill the voids in an existing concrete block wall. 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.

Steps to finishing a basement. When insulating concrete basement walls a good idea because concrete basement walls are often cold use rigid foam board insulation if the insulation will come into direct contact with the. Closed cell spray polyurethane foam or either xps eps or polyisocyanurate rigid foam. Start the job by gluing 3 4 in.

R 3 graphite radiant barrier wall insulation kit 9 sheets kit model sbgxs062502pkit 51. Extruded polystyrene foam can be yellow pink or blue depending on the manufacturer for insulating basement walls. David caruso springfield pa. I still believe you should insulate when you finish your basement.

Insulating basement walls and framing. Estimated savings for r 10 insulation range from 250 in washington dc to 400 in minneapolis. Insulation is vital for concrete basement walls the basement hold the house s furnace water heaters laundry machines and essential utilities. 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.

To ensure there s no dampness seeping through the walls conduct a simple test using plastic sheeting and duct tape. It will make a difference in how warm your basement stays but be warned most cold basements are due to lack of heat supply not heat.