ARC Fire Stop Slab provides up to two hours fire integrity horizontally or vertically within external masonry walls, ideal for use at separating floor levels. Manufactured from rockfibre mineral wool insulation with a class ‘O’ reinforced aluminium foil facing to both sides offering excellent resistance to smoke.

• Up to two hours fire integrity


• Foil faced to provide a smoke barrier


• Suitable for horizontal or vertical applications


• Cut to size on site or factory finished


• Available to suit cavity widths up to 300mm