Intumescent foam expansion joints impregnated with a fire proof material providing 1 or 2 hour of fire protection.
Size: 1 metre length
Depth:
30mm for 1 hour protection
40mm for 2 hours protection
Tested to BS476 Part 22 (1987) achieving 240 minutes integrity and 138 minutes insulation.
Also tested at VNE to European Standard EN1363-1 (2000).
Envirograf Product 40
About Fireproof Sponge for Gaps up to 60mm
A new type of expansion joint for gaps up to 60mm, where the sponge is impregnated with a fireproof material.
It is used under raised floors in computer suites or hospitals and will expand around cables and services in a fire, giving a smoke and fire seal.
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