75mm Rockwool Full Fill Cavity Batt 1.2m x 455mm (4.91m2) Express Delivery On floors it sits above

On floors it sits above a damp-proof membrane in solid and suspended slabs and in upgrades to existing ones

SPI Clayfill works by surrounding the pile cap with a layer of low density

Unrivalled Thermal Efficiency: One of the most thermally efficient insulation options for flat roofs

Lightweight and Easy to Handle: Designed for ease of transport

75mm Rockwool Full Fill Cavity Batt 1.2m x 455mm (4.91m2) Express Delivery On floors it sits aboveThe Rockwool Full Fill Cavity Batt is a semi rigid stone wool insulation slab designed for superior thermal, acoustic, and fire performance in masonry cavity walls. Fully filling the cavity without the need for air gaps, it provides consistent insulation, enhanced energy efficiency, and excellent moisture resistance. Benefits Delivers excellent thermal insulation with a low thermal conductivity of 0. 037 W mK, helping to reduce heat loss and improve