ARC Fire Stop Slab

Cavity fire barrier for masonry construction

Key Features

• Up to 2 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

Application 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.

Installation The ARC Fixing Spike is fitted to the external surface of the inner leaf. The ARC Fire Stop Slab is then impaled onto the spike. A compression fit is not essential but it is required to have a snug fit within the cavity space, factory finished sizes are supplied with a 5mm compression fit. Any site inaccuracies or deflection need to be sealed with a suitable intumescent sealer.

Fire Properties ARC Fire Stop Slab has been fire tested at Warrington Fire Research, achieving up to two hours fire integrity with traditional masonry brick and block construction. Tests were carried out in accordance with BS476 Pt 20 1987, BS EN 1366-4 2006 using test method EGOLF TC2 N421 (Fire Research for Cavity Barrier). Certifire scope: CF5402

Standards ARC Fire Stop Slab is manufactured using rockfibre mineral wool which achieves a fire classification of Euroclass A1 as defined in BS EN 13501-1, and conforms to BS EN 13162 and EN16001 Energy Management Systems. ARC’s rockfibre mineral wool insulation has a thermal conductivity of 0.035W/mK.

Storage and Packaging ARC Fire Stop Slabs are supplied in polythene packs which are designed for transporting and protecting the products. It is not recommended that the packs are stored in direct sunlight. When storing the barriers for longer periods of time it is recommended that the product should be stored indoors, or under cover.

> Click here ARC Fire Stop Slab Datasheet <