Envirograf Glass Mounted Fan Covers for up to 70 minutes protection
A cover for fan units mounted on windows. The cover fits around the fan unit and is affixed to the wall or window.
The unit is fronted with an MG Grille (Product 35), fitted with intumescent strips to expand in a fire and seal the openings, thus preventing fire and smoke from spreading.
For use with Vent-Axia, Expelair and other fan types.
The MG grille has been tested and provides up to 73 minutes integrity to BS476 Parts 20 & 22 (1987).
Also tested at VNE to European Standard EN1363-1 (2000).
Size: height x width x depth
Envirograf Product 14
£153.94 (incl VAT)
About Glass Mounted Fan Covers
Intumescent fan cover units can be installed over Vent-Axia, Xpelair or other makes of window fans, providing fire and smoke protection to escape corridors and staircase fire escapes.
Available in brown or white. Other colours and sizes can be made to order.
For use with electrical ventilation extractor units installed in fire barrier walls or glazing systems, providing up to 73 minutes integrity.
Can be supplied with smoke shutters activated by 24V electromagnet with auto-reset solenoid.
Provides fire and smoke protection, ideal for use in escape corridors and staircase fire escapes
Fitting Instructions
The wall-mounted unit simply fits over the fan unit, offering up to 70 minutes fire protection.
The glass mounted unit consists of two plates, that are fitted to either side of the glass, between the internal rear section of the fan and the external front section. The fan unit is then constructed and fixed as usual around the plates.
The grille unit is attached to the externally fitted plate with self tapping screws.
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