BF-3271-2
System details
- Type
- Service Penetration
- Element
- Wall
- Substrate
- Double Layer
- Minimum Substrate Thickness
- 118 mm
- FRL / FRR
- -/60/30
- Trade
- Plumbing / Hydraulic / Active Fire
- Service
- UPVC
- Fire Rating
- 60
Fire-stopping products
Application dimensions
- Min Diameter
- 20 mm
- Max Diameter
- 25 mm
- Service Diameter Range
- 20 and 25 mm
- Aperture
- 61.3 mm
- Annular Gap
- 4.2 - 7.0 mm
- Sealant Depth
- 13 mm
Specimen size & details
uPVC conduit bundle incorporating 2 x 20 mm and 1 x 25 mm diameter conduits. BOSS FireMastic-HPE™ sealant 13 mm deep in the annular gap finished flush both sides.
