Stone Wool Insulation Designed for Commercial Rainscreen Wall Systems

High-performance exterior wall assemblies can now perform even better with an innovative continuous insulation sheathing board from ROXUL Inc. ROXUL COMFORTBOARD CIS (Commercial Insulated Sheathing) is a rigid, high-density, non-combustible stone wool insulation board specifically designed for use as an exterior continuous insulation in commercial rainscreen wall systems.

Thermally efficient and vapor permeable, COMFORTBOARD CIS provides the rigidity and durability needed for many exterior cladding assemblies, such as lightweight metal and composite panel systems. Its thermal properties improve energy efficiency.

Stone wool is also water repellent, providing a tertiary drainage plane for bulk water, which may migrate into the wall cavity, yet allows the breathability necessary for outward drying and effective moisture control.

ROXUL COMFORTBOARD CIS is available in 1-, 1.25-, 2-, 2.5- and 3-inch thicknesses with R-Values of R-4, -5, -8, -10 and -12, respectively.

ROXUL stone wool insulation products serve the commercial, industrial, roofing and residential sectors throughout the North American market.

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