The TUFF-R R-8.9 1-3/8 in. x 4 ft. x 8 ft. Foam Insulation is Energy Star compliant and made with high-performance polyisocyanurate foam core for exceptional efficiency. It is lightweight and installs easily.
- 4 ft. x 8 ft. coverage area
- Energy Star qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings
- Radiant, barrier-quality aluminum-foil facers on both sides (one side reinforced) for excellent durability and water-vapor resistance
- High-performance polyisocyanurate foam core for high efficiency
- Lightweight and easy to install