J & S Supply is a highly regarded distributor of Thermafiber FireSpan 90 & FireSpan 40 Mineral Wool Insulation serving New York, NYC, Brooklyn, Queens, Long Island, Westchester, New Jersey, and Connecticut. FireSpan 90 & FireSpan 40 are curtain wall, mineral wool insulation products designed to provide exceptional performance in perimeter fire containment systems. 90 has a nominal density of 8.0 pcf and is available in thicknesses ranging from 1″ through 7″. 40 has a nominal density of 4.0 pcf and is available in thicknesses ranging from 2″ through 7″.
Thermafiber FireSpan 90 & FireSpan 40 Mineral Wool Insulation provide fire protection in rated assemblies and are fire resistant to temperatures above 2,000°F (1,093°C). Naturally dark colors provide shadowing in glass spandrels. Noise and sound control make FireSpan 90 & FireSpan 40 the perfect insulation for the most important projects.
Thermafiber FireSpan 90 & FireSpan 40 Mineral Wool Insulation are mold resistant and are made with over 70% recycled content. This conserves energy, reduces greenhouse gas emissions, and provides valuable LEED Green Building Credits.