Adding 2 inch thick insofast panels will bring your walls to r 13 30 percent more than the iecc minimum.
Insulating concrete walls in garage.
And don t forget to take flooring into account.
Sealing the gaps behind the walls will set you up right from the start.
So before insulating go around the garage with a can of low expanding spray foam and seal all gaps and cracks that let in the daylight.
The cinder block material is light and porous.
Before you can install these panels you ll have to do some demolition.
The second is to use a coated foam sheet like the ones manufactured by kingspan or celotex.
Air sealing the walls is different than insulating them but they go hand in hand.
That air comes in anyplace it can including gaps in the insulation behind your walls.
For example while an epoxy coating will add a protective layer to the floor it won t necessarily add insulating values.
There are two main ways to insulate a concrete garage.
Insulate your cinder block garage to reduce your heating bill.
Consider all aspects of insulating your garage not just the walls but also the garage doors and the ceiling particularly if you plan to add a heating and or cooling system.
You can insulate the walls ceiling and door of the garage to the highest r value possible but if you fail to fill those air gaps you ll still be wasting a lot of heat.
You re spending your hard earned money on insulating your garage.
As such a lot of interior heat can escape through cinder block walls during the winter.