J & S Supply is a highly regarded distributor of Thermafiber RainBarrier 45 & RainBarrier HD Mineral Wool Insulation serving New York, NYC, Brooklyn, Queens, Long Island, Westchester, New Jersey, and Connecticut. RainBarrier 45 & RainBarrier HD are continuous, mineral wool insulation products designed to repel and efficiently drain water. RainBarrier 45 has an actual density of 4.5 pcf and is available in thicknesses ranging from 1 1/2″ through 4″. HD has an actual density of 6.0 pcf and is available in thicknesses ranging from 2″ through 6″.
Thermafiber RainBarrier 45 & RainBarrier HD Mineral Wool Insulation are non-combustible, non-deteriorating and inorganic, are fire resistant to temperatures above 2000º F (1,093º C), and have enhanced sound control. They also provide efficient water draining capacity. Their natural dark colors camouflage well in open join facades eliminating the need for black facing.
Thermafiber RainBarrier 45 & RainBarrier HD Mineral Wool Insulation are made with over 70% recycled content. This helps conserves energy, reduces greenhouse gas emissions, and provides valuable LEED Green Building Credits.
