FSi Stopseal 50mm and 60mm Batt is a coated mineral wool board used to reinstate the fire resistance performance of wall constructions where they have been provided with apertures for the penetration of single or multiple services.
The board can be cut to size and friction fitted into the aperture while using Pyrocoustic Sealant. Stopseal Batt is supplied in overall dimensions 1200mm x 600mm with a density of 140kg/m3. Pyrocoustic Sealant is required to seal all joints and junctions during the sealing process. Pyrocoustic Sealant is subject to a separate TDS. Pyropro HPE Sealant is required to seal around specific services. Pyropro HPE Sealant is subject to a separate TDS.