Johns Manville CladStone™ Water & Fire Block insulation is manufactured from inorganic fibers derived from volcanic rock. Advanced manufacturing technology ensures consistent product quality, with high-fiber density and low shot content for excellent performance. Noncombustible, with water-repellent properties, it is ideal for exterior cavity wall and rainscreen applications. Available in 4 densities, CladStone 45 (4.5pcf), CladStone 60 (6.0 pcf), CladStone 80 (8.0 pcf) and CladStone 110 (11.0 pcf).

Advantages

• Water-Repellent: Repels water to ensure drainage when applied as part of a proper exterior wall cavity system.
• Fire-Resistant: Melting point in excess of 2000 F (1093 C). Flame Spread of 0 and Smoke Developed of 0.
• Durable Inorganic Glass: No growth of fungi. No sustaining of vermin.
• Densities: CladStone 45 (4.5pcf), CladStone 60 (6.0 pcf), CladStone 80 (8.0 pcf) and CladStone 110 (11.0 pcf)

80 sq ft/bag