BF-2375-4
System details
- Type
- Service Penetration
- Element
- Wall
- Substrate
- Concrete
- Minimum Substrate Thickness
- 100 mm
- FRL / FRR
- -/90/90
- Trade
- Electrical
- Service
- Appendix D2 Config
- Fire Rating
- 90
Fire-stopping products
Application dimensions
- Aperture
- Up to 1100 x 1100 mm
- Annular Gap
- 20 - 50 mm
- Sealant Depth
- 25 mm
- Sealant Fillet
- 50 mm
Specimen size & details
Appendix D2 Group B cable configuration, consisting of 60 x 50 pair telecommunication cables, installed onto a tray minimum 300 mm wide.
FireMastic-300™ Sealant installed 25mm deep in annular gap. For annular gaps larger than 20mm and up to 50 mm, a mineral wool backing rod must be used to back the applied sealant. The service is to be finished with a 50 mm x 50 mm fillet both sides. 600mm of Thermal Defence Wrap each side of the wall.