Specialist Ducting and Drainage Suppliers
to the Builders Merchant
Twinwall
Twinwall
Manufactured from high density polyethylene, Twinwall Drain has a smooth internal bore and a corrugated external wall, providing excellent impact resistance, strength and durability. Used for surface water drainage, it is flexible, lightweight and easy to install.
Suitable for both Civil Engineering and Agricultural applications it can be supplied solid, perforated or half perforated making it very adaptable.
BBA Certified under the Highway Authority Product Approval Scheme (HAPAS).
A full range of fittings are offered.
Seals, for an air/watertight system should be ordered separately.
