J & S Supply is a highly regarded distributor of Thermafiber Safing & Safing FF Mineral Wool Insulation serving New York, NYC, Brooklyn, Queens, Long Island, Westchester, New Jersey, and Connecticut. designed to provide enhanced fire protection in perimeter fire containment systems, floor and wall penetrations, construction joints, and other firestopping applications. Thermafiber Safing & Safing FF Mineral Wool Insulation are non-combustible, moisture-resistant, non-corrosive, non-deteriorating, mildew-resistant and vermin-resistant. Available in nominal densities of 4.0 & 6.0 pcf and in thicknesses ranging from 1″ through 7″.

Thermafiber Safing and Safing FF Mineral Wool Insulation are fire resistant to temperatures above 2,000°F (1,093°C).  Thermafiber Safing and Safing FF Mineral Wool Insulation are mold resistant and is made with over 70% recycled content. This helps conserve energy, reduces greenhouse gas emissions, and provides valuable LEED Green Building Credits. Safing FF Mineral Wool Insulation is Formaldehyde Free.

Our prime location in Long Island City is close to every major thoroughfare in the Metropolitan New York, New Jersey, and Connecticut area, ensuring our fleet of specialized equipment can deliver fast.

TWO CONVENIENT LOCATIONS AT YOUR SERVICE.