ROCKWOOL Frame Slab 32 is a semi-rigid stone wool insulation designed for a secure friction fit between the studwork of timber frame walls, saving installation time and minimizing waste by eliminating thermal bridging and gaps. Even as timber studs dry and contract over time, the Frame Slab remains firmly in place, ensuring consistent performance. Rated Euroclass A1 non-combustible, it can withstand temperatures exceeding 1,000°C while also providing acoustic benefits due to the dense, non-directional fibre structure. Manufactured with NyRock technology, it offers the most thermally