The performance of the AIM fire protection range has been tested to BS 476 part 20 and assessed by Warrington Fire Research Centre to achieve the values stated in the table, which apply to insulation and integrity. The Barrier is incombustible to BS 476 part 4, rated Class 1 Surface Spread of Flame to BS 476 part 7. The access floor and structural slab should have a fire rating at least that of the barrier.
AIM RAF FIRE BARRIER
Type | Fire Resistance | Barrier Thickness |
Maximum void unsupported |
Maximum void supported |
AIM ½ hour RAF Barrier |
30 minutes | 50mm1 | 250mm | 600mm |
AIM 1 hour RAF Barrier |
60 minutes | 75mm2 | 400mm | 600mm |
AIM 2 hour RAF Barrier |
120 minutes | 100mm | 400mm | 600mm |
AIM High Void RAF Barrier |
30 & 60 minutes | 150mm | 600mm | 1000mm |
4 hour RAF Barriers are available— please contact our team Contact Us
Notes:
- 75mm for voids 401 – 600mm
- 100mm for voids 401 – 600mm
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