


225mm ID TW Drain Equal T Junction inc. seals

300mm ID TW Drain Equal T Junction inc. seals

150mm ID TW Drain Equal Y Junction, inc. seal

225mm ID TW Drain Equal Y Junction inc. seals

300mm ID TW Drain Equal Y Junction inc. seals

225/150mm ID TW Drain Unequal T Junction inc. seals

300/150mm ID TW Drain Unequal T Junction inc. seals

225/150mm ID TW Drain Unequal Y Junction inc. seals

300/150mm ID TW Drain Unequal Y Junction inc. seals
Our Range of Surface Water Twinwall Junctions
At Drainfast, we offer a wide choice of different twinwall junctions, designed to accommodate varying drainage configurations and sizes. Every junction is supplied with matching rubber seals and is compatible with products from our catalogue of underground drainage fittings and connectors.
These twinwall junctions include double moulded sockets for outstanding resistance to compression. Their plastic construction also makes them lightweight and easy to handle and install, improving site safety.
Why Choose Drainfast as Your Chosen Twinwall Supplier?
Drainfast is one of the UK’s leading choices for twinwall junctions and drainage components. We offer an outstanding selection of products backed by a wealth of industry expertise.
- Serving customers nationwide since 2003
- Rated ‘Excellent’ on Trustpilot
- Reliable in-house delivery fleet
- Free take off service
- Expert customer support and guidance
Frequently Asked Questions
What is a Twinwall junction?
A twinwall junction is designed to connect different sections of twinwall underground drainage networks. They allow you to join separate pipe runs, and come in a selection of different configurations to accommodate varying angles and arrangements.
What types of Twinwall junctions are available?
At Drainfast, we offer a range of twinwall junctions in different configurations. These allow for drainage to be installed at different angles and make it easier to design and fit large drainage networks. We stock profiles including T and Y junctions.
What Twinwall junction sizes are available?
Our selection of twinwall junctions includes varying sizes, ranging from 150mm to 300mm and with different inlet widths to allow you to connect smaller branches to main pipe runs.
Are Twinwall junctions suitable for adoptable drainage systems?
Provided they are manufactured to the correct standards and adequately sealed, twinwall junctions and pipes can qualify as adoptable drainage. Our selection of junctions is designed to be used for adoptable drainage networks, manufactured to a high standard and supplied with high-quality EPDM seals.
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