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Twinwall - Surface and Stormwater Drainage Guide

Design guide

Twinwall - Surface and Stormwater Drainage Guide

by Wavin Ltd

TwinWall is a cost effective pipe system intended for use as a direct alternative to all non-pressurised gravity drain systems other than where Local Authority adoption is necessary. Smaller diameters are manufactured from high density polyethylene and larger diameters manufactured from polypropylene.

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