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Intumescent Expansion Joint

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Intumescent expansion joints are made from compressible fireproof sponge strips with foil clad intumescent material on one or both sides.

Unaffected by water or chemicals, they are easily installed. 

Envirograf Product 39

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£7.70

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Product Info

Intumescent expansion joints are made from compressible fireproof sponge strips with foil clad intumescent material on one or both sides.

Unaffected by water or chemicals, they are easily installed. 

Extremely versatile, providing up to 240 minutes protection in a range of applications such as movement or expansion joints in fire walls, floors, concrete slabs, and steel work, or as a cavity joint between brickwork and timber structures.

It can be used around ventilation ducting as a movement and anti-vibration joint, using double-sided tape to adhere to the ducting, and can also be fitted to seal over the tops of cable trays passing through protected building elements.

 
Fire Performance

Tested to BS476 Part 22 (1987), sealing horizontal and vertical expansion joints of different widths, achieving integrity and insulation results of up to 240 minutes.

Also tested at VNE to European Standard EN13504-2 (2004).

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