Styrofoam square edge is a type iv extruded polystyrene closed cell insulation providing a long term insulating performance of r 5 per inch. 1 in x 4 ft x 8 ft. 0 55 in x 4 ft x 9 ft.
Dow R 5 Common 0 55 In X 4 Ft X 8 Ft Actual 0 55 In X 4 Ft X 8 Ft Residential Sheathing Square Edge 1 Faced Polystyrene Garage Door Foam Board Insulation W Foam Insulation Board Foam
Dow Common 1 5 In X 8 Ft X 4 Ft Actual 1 437 In X 7 937 Ft X 3 875 Ft R5 Faced Polystyrene Foam Board In In 2020 Foam Insulation Board Insulation Board Foam Board