GAF EnergyGuard Ultra Grade-II Polyiso Roof Insulation, 2.5 in, 20 psi, 4 ft x 8 ft Panels Exterior Lighting It is an officially licensed

It is an officially licensed USPS access CBU manufactured to USPS "F" specifications and includes a carrier access door for the USPS-installed master lock

Sized for 2x6 wood-stud walls and long runs with 16-in on-center spacing

They’re the essential foundation for luxury that lasts outdoors

length x 8mm thick

Made of authentic premium furniture stain grade hardwoods

GAF EnergyGuard Ultra Grade-II Polyiso Roof Insulation, 2.5 in, 20 psi, 4 ft x 8 ft Panels Exterior Lighting It is an officially licensedEnergyGuard Ultra Grade II Polyiso Roof Insulation (2. 5 in) High performance polyiso roof insulation board featuring coated glass facers bonded to a rigid polyiso foam core. Designed for commercial roofing systems, it delivers Grade II compressive strength (20 psi) with reliable thermal efficiency and broad code approvals. Key Features: Durable Construction: Coated glass facers bonded to a rigid polyiso foam core for long term performance High