Rockwool Cavity Rock 5"X24"X48" Black Stone wool 4pc/bundle

24" x 48", 5" Thick, R-Value 21.5, Wood Frame, Black Mat Facer, Non-Combustible, Dual Density, Semi-Rigid Stone Wool, Cavityrock® Exterior Insulation Board (4 per Pack)

ROCKWOOL Cavityrock® semi-rigid stone wool insulation board available in mono and dual density is designed for exterior cavity wall and rainscreen applications. Choose mono-density insulation in thicknesses up to 2" or dual-density in thicknesses of 2.5 to 6 Inch. Compatible with numerous cladding attachment systems, Cavityrock® is a durable solution with non-combustible characteristics meaning that the insulation will not develop toxic smoke or promote flame spread even when directly exposed to fire. Approved for use in many NFPA 285-compliant designs, it is an important component of fire-resilient exterior wall systems when used as a continuous insulation. Cavityrock® also offers energy efficiency with reliable thermal performance, improved acoustic comfort and is moisture resistant to maintain insulating value for the long-term. Also available in a black mat facer finish for open-joint cladding systems, Cavityrock® Black combines your insulation install with masking in a single step, reducing installation time and material cost to achieve your desired design aesthetic.