50mm Rockwool Full Fill Cavity Insulation 1200x455 (6.55 m2)

In use for over 30 years, ROCKWOOL® Full Fill Cavity Batts provide a proven cavity wall insulation solution for new builds or extensions in residential and commercial developments. 

The stone wool insulation Full Fill Cavity Batts prevent moisture transmission and maintain insulation for the long term. 

Lightweight and easy to handle, installation is efficient and provides a close fit against brick and blockwork, whilst also adapting to imperfections in the cavity wall.