Unperforated Twin Wall Pipe 600mm 280mm-shallow-access-inspection-chamber-base Suitable for driveway use (withstands

Suitable for driveway use (withstands 50kN)

6m3/h) and a shut off valve

Incorporating traditional cast iron detailing with all the benefits of a plastic system

Enables water to flow from gutter into downpipe

Length 685mm

Unperforated Twin Wall Pipe 600mm 280mm-shallow-access-inspection-chamber-base Suitable for driveway use (withstandsAn unperforated plain ended twin wall pipe, manufactured from recycled HDPE. Utilising a twin extrusion process, the two layers are simultaneously extruded one inside the other and heat welded together in one continuous step. The outer wall is corrugated providing excellent structural strength which reduces the possibility of on site damage. The inner wall has a smooth seamless finish to assist hydraulic flow. The design unlike traditional single wall