Description

Ventilation Grilles for Windows

Ventilation grilles for windows and doors. Provides complete fire as well as smoke protection, in addition to improved ventilation. When opened or closed, the multi-directional intumescent grilles expand and seal spaces to contain fires before they spread. Therefore providing one hour of fire and smoke protection. two sizes and two types are available. Type C for use in metal casement frames above windows, thus giving ventilation to the ceiling above. Type W is for use directly into the glazing of a bathroom or kitchen window. See the order references tab for more information.

All grilles tested to BS476 Part 22 1987.

Specially designed passive fire range to meet Document B of Building Regulations, and also tested to European Standards. For more information, browse our full range of ventilation products online.

Envirograf ® passive fire products carry the hallmark of excellence, reflecting the high standards that prevail in its laboratory, test rig, and manufacturing plant. Envirograf® passive fire products are subject to rigorous quality control which, at all stages, ensures products remain at the leading edge of fire containment technology. This quality has earned the company and its passive fire products a high reputation. With its operating system accredited to ISO9001.

Advantages

– SVG suitable for ventilation for all UPVC frames but especially useful for areas such as kitchens and bathrooms

– HMG designed to fit into head reveals on metal cased windows, or into windows such as in fire escape corridors, bathrooms and kitchens

– Both types are fitted with intumescent which will expand in a fire, sealing the grille whether it is in the open or closed position

Application Instructions

SVG metal grille available in two standard sizes or can be made to suit. Fit in the frame head over uPVC windows at time of installing windows. Particularly suitable for bathroom and kitchen windows.

HMG metal grille available in two options. Option /C for use in metal casement frames above windows giving ventilation to the ceiling above – a single section screwed in place. Option /W fitted directly into the glazing of a bathroom or kitchen window – two sections screwed together either side of the hole.

• Metric units
• US units

Order References / Sizes