BF-2431-4
System details
- Type
- Service Penetration
- Element
- Wall
- Substrate
- Concrete
- Minimum Substrate Thickness
- 116 mm
- FRL / FRR
- -/120/120
- Trade
- Plumbing / Hydraulic / Active Fire
- Service
- Steel Pipe
- Fire Rating
- 120
Fire-stopping products
Application dimensions
- Min Diameter
- 113 mm
- Max Diameter
- 159 mm
- Service Diameter Range
- 113-159 mm
- Aperture
- Up to 1100 x 1100 mm
- Annular Gap
- Up to 20 mm
- Sealant Depth
- 25 mm
- Sealant Fillet
- 0 mm
Specimen size & details
113mm - 159mm Steel pipe with maximum wall thickness of 4.5mm. 30 - 50 mm lagging. UniWrap™ installed over the Thermobreak lagging with multiple layers, flush on both sides to a minimum 40mm depth. FireSilicone-EMA™ Sealant installed in annular gap flush on both sides. 600mm of Thermal Defence Wrap each side of the wall.