Isover CWS36 Cavity Wall Insulation

ISOVER CWS36 is a glass mineral wool slab available in thicknesses ranging from 50mm to 150mm. These durable, resilient, and flexible slabs are 455mm wide, making them perfectly suited for standard wall tie spacing.

Specifically designed for installation during construction, ISOVER CWS36 is placed within the cavity between two masonry leaves in external walls. Crafted from premium glass wool, it is a non-combustible material, ensuring both safety and reliable performance.