The ROCKWOOL 50mm Ablative Coated Batt is a mineral wool insulation product, pre-coated on both sides with a high-performance ablative coating. It has been comprehensively tested as part of the ROCKWOOL FirePro range of fire protection products and can be installed across a variety of services and substrates including solid walls and floors, flexible walls, multi-service penetrations, the head of the wall, blank seals and face fixed applications as well as large framed service voids. As fire-resistant insulation, it is fire stopping offering up to 4 hours fire performance whilst also providing an excellent acoustic performance and importantly, preventing air leakage to maintain the building’s heat. FirePro Ablative Coated Batts is not intended for use as load-bearing seals. Where a load-bearing seal is required, ROCKWOOL Firestop Compound should be considered.