160mm
160mm Underground Drainage System
Higher capacity drainage for multiple dwellings, commercial applications, and upgrading undersized systems.
Pipe Size
160mm
Flow Capacity
20.8 L/s
Burial Depth
To 10m (SN4)
Material
PVC-U SN4
Key Features
BS EN 1401-1 compliant
Kitemark and BBA certified
Triple the capacity of 110mm
Commercial grade
30-year product guarantee
Reducers to 110mm available
Available Components
Pipes
Bends
Junctions
Reducers
Access Fittings
Building Regulations Compliance
All Kalsi underground drainage products comply with Building Regulations Approved Document H. Our systems are Kitemark certified to BS EN 1401-1 and BBA approved.
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