Thermafiber Rain Barrier 45 Unfaced 4" X 16" X 48"

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

Thermafiber® RainBarrier® 45 continuous insulation semi-rigid products are designed for exceptional performance in rain screen and cavity wall construction applications. Thermafiber® RainBarrier® 45 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, adhesives and air barrier systems.