Spray Foam Insulation Cinder Block Walls
Another option would be to fur out an interior wall with wood or steel studs and spray the foam directly into place over the face of the block wall and in between the studs.
Spray foam insulation cinder block walls. The simplest and most affordable method of insulating the interior of a block wall is to install rigid foam board insulation. Available in large three by five or four by eight sizes the panels. Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch. Core fill 500 masonry foam insulation core fill 500 is america s leading foam insulation for concrete block precast concrete and hollow cavity brick walls.
Spray foam kits are sold by the board foot 12 inch by 12 inch by 1 inch thick. If you d like to start saving money and time today buy foam it green spray foam insulation now or call us at 800 516 0949. Choose foam it green spray foam insulation kits and don t settle for less than you deserve. While these are the options again the material available to use depends on whether the walls will be covered or the open top is exposed like in a remodel or new build.
Depending on the density of the blocks an 8 inch thick block wall without any other type of insulation has a thermal resistance value between r 1 9 and r 2 5. Then to account for the foam s additional thickness add jamb extensions to the windows and doors and fur out around their openings. One vertical cell is filled at a time until the entire block wall is full of foam insulation. Each 6 inch block requires 2 5 board feet and each 8 inch block requires 3 board feet to fill.
Core fill 500 is a non expanding aminoplast foam that looks like white shaving cream. The option for insulating concrete block walls includes spray foam insulation injection foam insulation polystyrene beads foam boards and loose fill masonry insulation.