Intumescent Fire Grilles – 250mm x various sizes
FROM £49.14 Each Ex VAT
THIS PRODUCT IS NOT ANTIMICROBIAL PROTECTED.
A durable ventilation grille which is easily mounted in doors & walls, and can provide up to 60 minutes fire protection. Fire Grilles comprise of a moisture resistant intumescent core within a galvanised steel frame with vermin proof 6mm steel mesh fitted up to both faces.
Suitable for fitting up to 1000mm (1 metre) from floor level. The design allows a free area of 80% approximately. All square and rectangular grilles are available to suit 60 minute fire rated applications. Maximum single grilles size is 600 x 600mm or equivalent.
Calculations made using 80% (approx) free air flow. Please note that this table does not allow for the effects of fitting any of the Steel Louvred Face Plates, or any other type of aesthetically pleasing cover over the fire grille.
AIR TRANSFER VENTILATOR TO SUIT WILL NEED TO BE 45MM LARGER, BOTH HEIGHT & WIDTH OF THE CHOSEN GRILLE SIZE.
Features
- Fire Grilles tested to BS 476: Part 22 1987 and EN 1634: Part 2.
- Comprehensive range of sizes. For use in doors & walls.
- Suitable for mounting up to 1000mm (1mtr) from floor level.
- 60 minutes fire rating.
- Vermin proof wire mesh 80%.
- NHBC type approval
Standards
