INTUMESCENT BLOCK GRILLES
DESCRIPTION
A non-clogging block-type intumescent grille 38mm deep, giving 90% free ventilation area. The openings would be sealed off in under one minute when attacked by fire.
USE
These grilles are used in ceilings, doors, walls, and ventilation ducting.
PERFORMANCE
This product underwent a fire resistance test employing the general procedures and
criteria of: BS476 Part 22 (1987), achieving an integrity of 240 minutes. Also tested at VNE
to European Standard EN1363-1 (2000).
ORDERING REFERENCES
BG (see price list for full range. Special sizes made to order)
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