Twin Wall
Twinwall drainage pipes are available in a range of sizes and diameters, from 110mm to 600mm ex-stock (larger sizes available as special order). They are also available as both perforated and unperforated pipes.
![Twinwall surface drainage pipe.](/static/e6715035bb735c8aa2dd5e2ab197ea96/30f07/TWINWALL_PIPE.jpg)
Surface Water Twinwall Pipes
Twinwall Drain Pipe (150mm - 600mm). Available as Unperforated, Perforated and Half Perforated 6mtr Lengths. The Twinwall range is designed for the use in gravity surface & stormwater drainage applications.
Twinwall is manufactured from high density polyethylene, and extruded by a process in which 2 layers are fabricated simultaneously, giving the pipe a corrugated outer wall and a smooth inner wall. Extremely durable product, perfect for culverts.
![Twinwall Couplers](/static/fecab0f68ee26b9a5114c55c351b2306/66884/TWINWALL_COUPLERS.jpg)
![Twinwall Sealing Rings](/static/886e7726c27b71be31b25e4711a71618/24b43/TWINWALL_SEALING_RINGS.jpg)
Twinwall Sealing Rings
Twinwall Drainage Sealing Ring. To ensure a water tight connection on every joint, sealing rings will need to be fitted between the pipe corrugations. One seal per connection (2 per Coupler).
![Twinwall Bends](/static/13fd82257eac9f03c9268b30dffe2276/66884/TWINWALL_BENDS_45.jpg)
Twinwall Bends
Twinwall Double Socketed Short Radius Bends. Available for all sizes of Twinwall in 15deg / 30deg / 45deg and 90deg Angles.
![Twinwall Junctions](/static/e60bcdde04ad996b7124682465b56fd9/30f07/TWINWALL_JUNCTION_Y.jpg)
![Road Gullies](/static/c661bfd2ef9186f8fff11d88d5ad3a57/65f28/450_X_900_GULLY.jpg)
Road Gullies
450mm Diameter x 900mm high (also 750mm high) plastic road gully. Ideal for use with 150mm Twinwall or 160mm Sewer Pipe.
- 160mm / 178mm Outlet
- Trapped to prevent odours
- Roddable
![Road Gully Grating](/static/cb63ed7d08aeb4c5d4ccf86c7bdd609c/f8421/435_X_435MM_GRATING.jpg)
![Flexible Couplings](/static/b959f34d3302e048251a21a2d82f5684/14fa3/CONNECTOR.jpg)
Flexible Couplings
Flexible Rubber Couplings and Adaptors. Ideal for joining Twinwall to different types of pipe - clay, concrete, pitch fibre and sewer pipe.