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Insulation Systems and Vapor Retarders

Firestone ISO 95+ GL polyiso insulation

Firestone Building Products produces a full line of high performance polyiso insulation products specifically designed for metal and other roofing applications. Firestone ISO 95+ GL polyiso insulation is a closed-cell, rigid foam insulation board. A cost-effective, energy efficient and environmentally responsible product, ISO 95+ GL has the highest R-value per inch resulting in superior thermal performance which helps minimize energy consumption and costs. This versatile insulation is especially suited for FM approved and UL classified direct-to-deck applications without an additional thermal barrier in most installations. Made with recycled content, this lightweight, easy-to-install insulation is compatible with all types of commercial roofing systems, helps buildings earn credits toward LEED certification and can assist in meeting the minimum guidelines set forth by ASHRAE 90.1.