Manufactured from High Density Polyethylene (HDPE)
Twinwall ducting has a smooth internal bore, and a corrugated externall wall providing excellent impact resistance , strength and durability.
It is flexible and lightweight.
All cils contain a draw string for attatching draw cord to enable pipes or cables to be pulled through the duct after it has been installed.
Loose Couplers are available if there is a need to join sections together although each coil is fitted with its own coupling.
