Fire Stop Slab

Quelfire 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.

Next Day Delivery

Fast response to all enquiries

40 years of experience

Features & Benefits

• Up to 2 hours fire rating
• 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

Regulations

Quelfire 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).

Composition

Quelfire 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. Quelfire’s rockfibre mineral wool insulation has a thermal conductivity of 0.035W/mK.
Quelfire Fire Stop Slab 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.
No CFCs or HCFCs are involved in the manufacturing process of Quelfire’s rockfibre mineral wool insulation. The material presents no known threat to the environment and is classed as ODP and GWP zero. Quelfire’s Fire Stop Slab has a Green Guide rating of A+.

Durability

Quelfire Rainscreen Barrier is expected to last the lifetime of the building.

Application / Installation

The Quelfire Fixing Spike is fitted to the external surface of the inner leaf. The Quelfire 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 Quelfire GM Intumescent
Acoustic Sealant.

Technical Support & Guidance

Should you require any further information regarding this product, please don’t hesitate to contact Quelfire Ltd

PERFORMANCE

Product CodeSuitable for Cavity WidthDimensionsFire Rating
QFS5050mm55 x 100 x 1200mm2 hours
QFS6060mm65 x 100 x 1200mm2 hours
QFS7070mm75 x 100 x 1200mm2 hours
QFS8080mm85 x 100 x 1200mm2 hours
QFS9090mm95 x 100 x 1200mm2 hours
QFS100100mm105 x 100 x 1200mm2 hours
QFS110110mm115 x 100 x 1200mm2 hours
QFS120120mm125 x 100 x 1200mm2 hours
QFS130130mm135 x 100 x 1200mm2 hours
QFS140140mm145 x 100 x 1200mm2 hours
QFS150150mm155 x 100 x 1200mm2 hours
QFS160160mm165 x 100 x 1200mm2 hours
QFS170170mm175 x 100 x 1200mm2 hours
QFS180180mm185 x 100 x 1200mm2 hours
QFS190190mm195 x 100 x 1200mm2 hours
QFS200200mm205 x 100 x 1200mm2 hours
QFS210210mm215 x 100 x 1200mm2 hours
QFS220220mm225 x 100 x 1200mm2 hours
QFS230230mm235 x 100 x 1200mm2 hours
QFS240240mm245 x 100 x 1200mm2 hours
QFS250250mm255 x 100 x 1200mm2 hours
QFS260260mm265 x 100 x 1200mm2 hours
QFS270270mm275 x 100 x 1200mm2 hours
QFS280280mm285 x 100 x 1200mm2 hours
QFS290290mm295 x 100 x 1200mm2 hours
QFS300300mm305 x 100 x 1200mm2 hours