J & S Supply is a dedicated distributor of Rockwool CavityRock and CavityRock Black Mineral Wool Insulation serving New York, NYC, Brooklyn, Queens, Long Island, Westchester, New Jersey, and Connecticut. CavityRock and CavityRock Black are semi-rigid, mineral wool insulation boards designed for exterior cavity wall and rainscreen applications. It installs easily by pressing between studs. CavityRock and CavityRock Black Mineral Wool Insulation is also non corrosive, non combustible, and mold resistance making in perfect for projects where moisture is a major concern.
Rockwool CavityRoc and CavityRock Black Mineral Wool Insulation has a monolithic density of 4.4 lbs/ft3 for thicknesses under 2″. It has a dual density of 6.2 lbs/ft3 outer layer and 4.1 lbs/ft3 inner layer for thicknesses greater than 2.5″. Thicknesses range from 1″ to 6″. CavityRock and CavityRock Black Mineral Wool Insulation are available for 16″ and 24″ frames.
