1 in. x 2 ft. x 4 ft. EPS Foam Insulation Board Panel (18 Pack) | EIFSFM1-18

EPS Foam Board Panel is an engineered rigid insulation consisting of a superior closed-cell, lightweight and resilient expanded polystyrene core. These panels are made for use on walls, in basements, as siding underlayment and as foundation insulation.

• R-4.2
• Designed for use on walls, in basements, as siding underlayment and as foundation insulation
• Excellent moisture and thermal resistance
• Cuts easily to size to save time and money
• Moisture-resistant design to help maintain a water-tight seal
• Ideal for interior or exterior use
• Rigid polystyrene material
• Contains a flame retardant additive
• Unfaced