Durable ventilation grilles which are easily mounted in doors & solid block walls and provide up to 1 hour fire protection. The Fire Grille is comprised of a moisture resistant intumescent core within a galvanised steel frame with vermin proof 6mm steel mesh fitted to both faces. The design allows a free area of 80% approximately. Chiltern International Fire: FEA/F96117. Trada/Chiltern: RF95041. Fire Test: Warrington Fire Research: Global Assessment C100767. Grilles sold here are all 60 minute rated. Fire tested to BS 476: Part 22 1987 and EN 1634: Part 2.
The circular Grilles are available in various diameter sizes.