Envirograf high-density rock-fibre batt with intumescent coating on both sides that can be easily cut with a sharp knife and over painted or decorated. Suitable for use as a permanent fire barrier in walls and floors, giving up to 4 hours fire protection. In large floor openings, they should be supported with wire mesh. Intumescent jointing compound is supplied with each slab for fixing sections together – this must be used around the perimeter and in the joints. Can be used over door frames, between the frame head and ceiling.
Tested to BS476 Part 22 (1987), achieving integrity of 240 minutes. Also tested at VNE to European Standard EN1363-1 (2000).
4 Hour fire rating
1200 x 600mm can be cut to shape
Suitable as permanent fire barrier
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Envirograf intumescent collars for fire stopping plastic pipes through all your ceiling, walls and...