Steel Joist Type 1 -
Fire attack from below / Loadbearing
| PROMATECT®-250 |
| Board Thickness |
Stability
Rating |
Integrity
Rating |
Insulation
Rating |
| 15mm |
60 minutes |
60 minutes |
60 minutes |
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System Specification
Mezzanine floors are to be constructed using 15mm thick PROMATECT®-250
matrix engineered mineral boards all in accordance with the Architectural Specificationin the manufacturer’s handbook. Relevant
constructions are to be selected according to the required FRL of 60/60/60 of the selected elements. All printed installation
details are to be followed to ensure approval to BS476: Part 21. All work to be certified by installer in an approved manner.
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