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. Astroflame Fire Grille comprises of a intumescent core within a galvanized 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.

All square and rectangular grilles are available to suit 30 minute or 60 minute on previously fire rated applications. Please note these fire grilles are tested with a Steel face Plate (Astro Plates) 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 Astro INTU Mastic and mechanically fix the Grille in place with steel screws in each corner and at 150mm centres both sides.

For data sheets, test reports and more information please copy and paste this link into your browser: https://www.astroflame.com/intumescent_fire_grilles.html