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Extra Large 450mm Twinwall Duct Now in Stock

Drainfast are pleased to announce that they now include the extra large 450mm twinwall duct available in black (power), blue (water) and yellow (gas).

This extra large capacity range is popular with home builders and is supplied in 6m lengths. Special order only – speak to our account managers on 01420 88839 or email


This new addition complements the existing range of 63mm, 110mm, 225mm and 300mm already stocked in:

Black (electricity/power)

Blue (water)

Yellow (gas)

Orange (street lighting/traffic signals)

Purple (motorway communication)

Green (cctv)


Why Choose Twinwall Ducting?

  • This lightweight product makes installation easier and safer
  • Recognised alternative to concrete and clay pipes
  • High strength and durability
  • Excellent resistance to differential settlement – no cracking or bending under normal pressures underground
  • Minimal jointing required compared with traditional materials
  • Easily cut the twinwall to your required lengths

Call our team for a quote today.

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