Unbranded 3/4 in. x 1.25 ft. x 4 ft. R-2.65 Polystyrene Panel Insulation Sheathing (6-Pack)

Provide your home with effective insulation with the Cellofoam 3/4 in. x 14-1/2 in. x 4 ft. Polystyrene Foam Insulation Board. Ideal for both interior and exterior use. This durable insulation features a flame retardant additive for additional safety.