BF-2057-25

System details

Type
Service Penetration
Element
Floor
Substrate
Concrete Slab
Minimum Substrate Thickness
150 mm
FRL / FRR
-/120/90
Trade
Electrical
Service
Multicore / Mains / Orange Circular
Fire Rating
120

Fire-stopping products

BF-2057-25 system drawing

Application dimensions

Aperture
250 x 250 mm
Sealant Depth
25 mm
Sealant Fillet
0 mm

Specimen size & details

System consists of 3 PE pipes; 40 mm x 4.1 mm, 60 mm x 4.0 mm and 125 mm x 7.6 mm, fitted centrally within the aperture. The 60 mm pipe is filled with the following cables:
•Up to 3 × (A1) small sheathed (PVC/PVC) 5 x 1.5 mm2,
•Up to 3 × (A2) small sheathed (EPR/PO) 5 × 1.5 mm2,
•Up to 3 × (A3) small sheathed (XLPE/EVA) 5 × 1.5 mm2,
•1 × (B) small sheathed (PVC/PVC) 1 × 95 mm2,
Sealant 25 mm deep in annular gap finished flush on both sides. The system also includes 100 mm deep infill friction fitted stone wool insulation centrally located in the annular gap through the floor system.

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