Rockwool Cavity Slab 100mm x 455mm x 1200mm

The Rockwool Cavity Slab is a high-performance stone wool insulation designed specifically for cavity wall applications. Manufactured from non-combustible mineral wool, it delivers exceptional thermal and acoustic performance, while contributing to fire safety in residential and commercial buildings. This 100mm thick slab provides excellent heat retention, helping to reduce energy costs, and its dense structure helps minimize sound transmission between internal and external walls. Lightweight, easy to cut, and simple to install, it’s the ideal solution for cavity wall insulation in new builds and refurbishments.