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The Envirograf Fireblok intumescent sleeve can provide up to 4 hours of fire resistance and is designed for services passing through fire-rated ceilings and walls (especially where contraction and expansion allowance is required, e.g. water/gas pipes), as well as for use in brick, block, concrete, hollow floors and walls. Services include cables, metal/plastic pipes and ventilation trunking passing through fire rated ceilings, floors and walls. If you are looking for specialised sleeves designed for electrical conduits the Sealmaster Intumescent Pipe Wrap is the ideal solution.
In case of a fire, the intumescent material will expand, thus sealing the gap and preventing spread of the fire. The intumescent cable sleeve also absorbs heat to help prevent services, pipes, and cables from overheating. They are highly flexible, allowing contraction and expansion of water pipes, and give protection from corrosion casued by close contact with cement, cement blocks, plaster, and other corrosive building materials. A silver coloured reinforced covering contains the intumescent material so that it expands inwards and crushes into melting PVC pipes, truning, ducts, etc in the heat of a fire.
The Firoblok intumescent sleeve has been specially designed to meet Document B of Building Regulations and has also undergone a fire resistance test employing the general procedures and criteria of BS 476 Part 22 (1987), achieving an integrity of 130 minutes in solid walls, 67 minutes in hollow walls, and 4 hours in concrete/block ceilings/walls. Also tested to BS EN 1366-3 (2005), BS EN 1363-1 (2000), and BS EN 13501-2 (2004).
The cable protection sleeves are supplied in 360mm lengths. They can be easily cut with a sharp knife and they should be installed level with the surrounding ceiling, floor, or wall.
Other sizes are available for this product are available, please call or email Firewise at +44 (0) 1223 839 727 or [email protected] to discuss your application.
Brand: Envirograf
Use Case: Fire
Applications: Pipes, Ducting, Cables, Trunking
Test Certification: Fire Tested to BS 476 Part 22: 1987, BS EN 1366-3: 2005, BS EN 1363-1: 2000 & BS
Fire Rating: Up to 130 Minutes
Material: Fibre Free Intumescent
Finish: Silver
Fixing: Sleeve Fit
Included: 1x Envirograf Firoblok Intumescent Sleeve for Services
Length mm: 360mm
Width mm: 204mm
Depth mm: 60mm
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