Steel Joist Type 2 -
Fire attack from below / Loadbearing
| PROMATECT®-250 |
| Board Thickness |
Stability
Rating |
Integrity
Rating |
Insulation
Rating |
| 2 x 15mm |
120 minutes |
120 minutes |
120 minutes |
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System Specification
Mezzanine floors are to be constructed using 2 layers of 15mm thick PROMATECT®-250
matrix engineered mineral boards all in accordance with the Architectural Specification in the manufacturer’s handbook. Relevant constructions
are to be selected according to the required FRL of 120/120/120 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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