Intumescent Fire Grille 100mm to 600mm

Tax included.
Key Features
  • Fire Grilles tested: BS 476: Part 22 1987.
  • Comprehensive range of fire grille sizes.
  • For use in solid timber fire doors & solid block walls.
  • Suitable for mounting up to 1,000mm (1m) from floor level. Top edge of Grille should be no higher than 1,000mm (1m).
  • In excess of 30 or 60 minutes fire rating.
  • Vermin proof wire mesh 80% free area.

Product Description
A durable ventilation grille which is easily mounted in solid timber fire doors & solid block walls, and can provide in excess of 1/2 or 1 hour fire protection. Astro-flame Fire Grille comprises of a intumescent core within a galvanised steel frame with vermin proof 6mm steel mesh fitted to both faces.

Suitable for fitting up to 1,000mm (1m) from floor level. The top of the grille should not be higher than 1000mm from the floor.

The design allows a free area of 80% approximately. See our Free Area table below for guidance.

Product Availability
All square and rectangular grilles are available to suit 30 minute or 60 minute on previously fire rated applications. Please note the fire grilles is tested with a Steel Face Plate either side. Free area table below is for the Fire Grille only at approx. 80%. If you require the free area for the grille and face plate either side please contact us.

Maximum single grille size is 600 x 600 mm.

Line the aperture with Intumescent mastic. and mechanically fix the Grille in place with steel screws in each corner and at 150mm centres both sides.

Dimensional Data

For outside dimensions +41mm to the louver sizes seen in the table below e.g. 305 x 305 louver measurement would have external dimensions of 346 x 346mm