As such a lot of interior heat can escape through cinder block walls during the winter.
Insulating concrete walls in garage.
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.
And don t forget to take flooring into account.
Drill holes in the frame and the concrete using a drill with a masonry bit.
The second is to use a coated foam sheet like the ones manufactured by kingspan or celotex.
Add a concrete screw to each of these.
The first is to use a fibreglass insulation much like the type found in any typical loft.
Insulate your cinder block garage to reduce your heating bill.
The cinder block material is light and porous.
Stand the framing wall up against the concrete and have a friend hold it in place.
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.
For example while an epoxy coating will add a protective layer to the floor it won t necessarily add insulating values.
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.
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.