BF-2770-2
System details
- Type
- Service Penetration
- Element
- Wall
- Substrate
- Double Layer
- Minimum Substrate Thickness
- 118 mm
- FRL / FRR
- -/60/60
- Trade
- Plumbing / Hydraulic / Active Fire
- Service
- PPR
- Fire Rating
- 60
Fire-stopping products
Application dimensions
- Min Diameter
- 0 mm
- Max Diameter
- 20 mm
- Service Diameter Range
- Up to 20 mm
- Aperture
- Up to 1200 x 500 mm
- Annular Gap
- 6 mm
- Sealant Depth
- Depth of collar mm
Specimen size & details
Up to 20 mm PP / PP-R pipe with 4.6 mm wall thickness, penetrating 2 layers of BOSS Batt™ protecting an aperture up to 1200 mm x 500 mm. Sealant installed in the gap between the collar and pipe to the full depth of the collar, finished flush both sides. The system includes a 32 mm BOSS MaxiCollar™ installed to both sides.