Spray Foam Insulation On Concrete Basement Walls

Basement wall insulation closed cell spray foam.

Spray foam insulation on concrete basement walls.

If you have a cinder block and if the core is filled it might have a higher r value. Although fiberglass has been commonly use for insulation spray foam can actually outperform it plus with so many ways you can use expanding foam this material certainly is handy now only if it could help us out with all of those concrete problems. I have seen people recommending closed cell spray foam because it is considered a true vapor barrier. Can you spray foam basement walls.

Now as you glue the panels to the exposed concrete blocks leave a inch gap at the floor and ceiling and cut holes in the panels to fit around outlets and wall switches. Between the back of the studs and the concrete wall. It s important to create an air seal in. Depending on thickness and the type of foam you choose super high effective r values can be achieved.

In a new construction build it is recommended you hang a wall of the concrete 3 4 inches to allow for foam board to be slid beyond the wall or frame a small 8 12 section of wall and have that insulated prior to the. Foam it green closed cell spray foam is the quickest and easiest way to insulate any type of basement wall. Choosing the best insulation for basement walls and ceiling. Rigid foam panels are also a good way to insulate on the inside of concrete basement walls.

One disadvantage of rigid foam is for it to be effective it must be attached directly to the wall using adhesive or idp foam insulation anchors. After the adhesive cures add extension boxes to the outlets and switches and spray foam into every gap top bottom and around each box. The only type of insulation that makes sense for stone and mortar walls is closed cell spray polyurethane foam. Last year we had closed cell foam insulation basf walltite profesionally sprayed on the inside walls to a thickness of 4 inches followed up by a layer of fire retardant material code on all exposed walls about 2 3 of the basement the other 1 3 is covered up.

Basement spray foam insulation cons. Spray foam really is a magical tool for household insulation. If you plan to insulate your basement walls with spray foam the best approach is to frame your 2 4 walls before the foam is sprayed leaving a gap of 1 1 2 in. So is the case with concrete block wall with insulation.

Spray foam insulation gets into all the cracks and crevices to provide a complete air and moisture seal. Spray foam insulation is a more expensive option when insulating the basement. If the material isn t installed properly air leakage is still possible which will lead to comfort issues in the future.