Twinwall Ducting

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Twinwall ducting offers a robust and reliable solution for safeguarding underground utilities in civil engineering applications. Comprised of two extruded high-density polyethylene (HDPE) walls with internal air gaps, this innovative design delivers exceptional strength and crush resistance, making it the ideal choice for:

  • High Traffic Areas: When burying utilities beneath paths, driveways, roadways, or areas subject to heavy traffic loads, twinwall ducting provides superior protection against external pressure and potential damage.
  • Deep Trenches: For situations where utilities are buried at significant depths, the structural integrity of twinwall ducting safeguards against potential ground movement or weight loads from overlying soil.

Technical Specifications

Our twinwall ducting boasts a compression resistance rating of Type 450N and 750N. This technical specification refers to the pipe's ring stiffness, a critical parameter that defines the force required to cause deformation under a radially applied load. In simpler terms, a high ring stiffness signifies exceptional resistance to crushing or collapsing under pressure, highlighting the exceptional strength and flexibility of twin wall ducting.

Universal Colour-Coding System:

Twinwall ducting adheres to the established national colour-coding system for underground utilities, ensuring clear identification during installation and future maintenance:

  • Black: General-purpose electrical cabling
  • Blue: Water supply
  • Yellow: Gas (always prioritise strict adherence to gas safety regulations)
  • Green: Telecommunication and CCTV (closed-circuit television)
  • Orange: Street lighting/Traffic signals 
  • Purple: Motorway communications/Street lighting(Scotland)

If you're looking for a specific ducting brand, please don't hesitate to reach out.

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  1. Please allow 2-3 working days for delivery

    1. Code UD125B
    2. Length 6mtr
    3. System Size 145mm
    £40.84 £49.01
  2. Please allow 2-3 working days for delivery

    1. Code UD150B
    2. Length 6mtr
    3. System Size 178mm
    £45.20 £54.24
  3. Please allow 2-3 working days for delivery

    1. Code UD94B
    2. Length 6mtr
    3. System Size 94mm
    £16.98 £20.38
  4. Supplied with a free coupler. Please allow 3-5 working days for delivery.

    1. Code UD137B
    2. Length 6mtr
    3. System Size 137mm
    £36.94 £44.33
  5. Please allow 2-3 working days for delivery

    1. Code UD94BL
    2. Length 6mtr
    3. System Size 94mm
    £29.31 £35.17
  6. Supplied with a free coupler. Please allow 3-5 working days for delivery.

    1. Code UD137BL
    2. Length 6mtr
    3. System Size 137mm
    £47.62 £57.14
  7. Please allow 2-3 working days for delivery

    1. Code UD94G
    2. Length 6mtr
    3. System Size 94mm
    £29.31 £35.17
  8. Please allow 2-3 working days for delivery

    1. Code UD94O
    2. Length 6mtr
    3. System Size 94mm
    £29.31 £35.17
  9. Please allow 2-3 working days for delivery

    1. Code UD94Y
    2. Length 6mtr
    3. System Size 94mm
    £29.31 £35.17
  10. Please allow 3-5 working days for delivery

    1. Code UD137Y
    2. Length 6mtr
    3. System Size 137mm
    £47.62 £57.14
    1. Code UDC94
    2. System Size 94mm
    £2.30 £2.76
    1. Code UDC125
    2. System Size 125mm
    £3.25 £3.90
    1. Code UDC137
    2. System Size 137mm
    £3.33 £4.00
    1. Code UDC150
    2. System Size 150mm
    £3.38 £4.06
    1. Code UDB9415
    2. System Size 94mm
    £7.31 £8.77
    1. Code UDB12522
    2. System Size 125mm
    £12.71 £15.25
    1. Code UDB9430
    2. System Size 94mm
    £7.31 £8.77
    1. Code UDB9445
    2. System Size 94mm
    £7.31 £8.77
    1. Code UDB12545
    2. System Size 125mm
    £12.71 £15.25
    1. Code UDB13745
    2. System Size 137mm
    £13.94 £16.73
    1. Code UDB15045
    2. System Size 150mm
    £14.61 £17.53
    1. Code UDB9490
    2. System Size 94mm
    £7.31 £8.77
    1. Code UDB12590
    2. System Size 125mm
    £12.71 £15.25
    1. Code UDB13790
    2. System Size 137mm
    £13.94 £16.73
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