Non-Vision Intumescent Air Transfer Grilles
Can be used to provide resistance to fire and hot smoke of up to 60 minutes in fire rated doors.
- Angled slats to ensure complete visual privacy
- Supplied in two halves to accommodate different thicknesses of doors
- Complete seal achieved in approximately five minutes when tested in accordance with BS 476: Parts 20/22.
- Allows bi-directional air flow
- Easy to keep clean
- Contains no moving parts
- No site testing is necessary
- Holds CERTIFIRE CF564 certification