Thermafiber Rain Barrier Hd Unfaced 4" X 24" X 48"

24" x 48" x 4", R4.3, Heavy Density Rigid, Non-Combustible, Non-Deteriorating, Inorganic, Unfaced, Mineral Wool Insulation (4 per Stretch Wrapped Bundle)

Thermafiber® RainBarrier® HD insulation is a high-density board with a consistent 6.0 pcf density throughout the entire thickness of the product. The consistent density from top to bottom helps eliminate the need to orient the piece in a certain direction, Thermafiber® RainBarrier® HD continuous insulation products are designed for exceptional performance in rain screen and cavity wall construction applications. Mineral wool insulation provides thermal insulation, fire-resistive characteristics, acoustical control, vapor permeance and the ability to drain water from a wall cavity system, All Thermafiber® RainBarrier® products are non-combustible and compatible with common wall ties and air barrier system.