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    Below Ground Drainage

    Our Below Ground Drainage range is designed to help you install reliable underground drainage systems for managing waste and surface water effectively. Whether you’re working on a new build, extension, landscaping project or repair job, quality below ground drainage products support safe water movement and help prevent issues such as pooling, blockages and ground saturation.

    Below ground drainage is commonly used for connecting soil pipes, waste outlets and rainwater systems into a secure underground network, directing water away from buildings and outdoor areas. Using the correct pipework, fittings and connectors ensures a watertight installation and reduces the risk of future maintenance problems. With durable materials made to perform in ground conditions, these systems are built for long-term use in both domestic and commercial settings.

    For best results, plan the drainage route carefully, ensure the correct fall for steady flow, and use compatible fittings throughout the system. Proper bedding and backfilling also helps protect pipework and maintain stability over time. Whether you’re replacing a damaged section or installing a complete run, having the right components makes the job quicker and more reliable.

    Shop online today for below ground drainage supplies with convenient ordering and delivery available.

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    Picture of Cascade Roundstyle 112mm 2m Gutter Black

    Cascade Roundstyle 112mm 2m Gutter Black

    The Brett Martin Cascade Roundstyle 112mm 2m Gutter in Black is a high-quality PVCu rainwater gutter with a cast iron effect finish, designed to replicate the traditional appearance of cast iron guttering while offering the lightweight durability of modern plastic systems.
    £14.97 INC VAT
    Picture of Lubricant Gel 0.5Kg

    Lubricant Gel 0.5Kg

    The Brett Martin Lubricant Gel 0.5kg is a jointing lubricant designed to ease assembly of push-fit underground drainage pipes and fittings. Helping reduce insertion effort and protect seals during installation, it supports quicker, more reliable jointing.
    £11.69 INC VAT
    Picture of Lubricant Gel 5Kg

    Lubricant Gel 5Kg

    The Brett Martin Lubricant Gel 5kg is a professional-grade jointing lubricant designed for high-volume push-fit drainage installations. It reduces insertion effort, helps protect rubber seals, and supports consistent watertight jointing across large drainage projects.
    £83.78 INC VAT
    Picture of MAC 1602  Adaptor Coupling  144-160mm to 110-125mm

    MAC 1602 Adaptor Coupling 144-160mm to 110-125mm

    MAC 1602 Adaptor Coupling 144-160mm to 110-125mm flexible adaptor coupling for connecting different size drainage pipes.
    £46.62 INC VAT
    Picture of MAC 1922  Adaptor Coupling  170-192mm to 110-125mm

    MAC 1922 Adaptor Coupling 170-192mm to 110-125mm

    MAC 1922 Adaptor Coupling 170-192mm to 110-125mm flexible adaptor coupling for connecting different size drainage pipes.
    £19.29 INC VAT
    Picture of MAC 1924  Adaptor Coupling  170-192mm to 144-160mm

    MAC 1924 Adaptor Coupling 170-192mm to 144-160mm

    MAC 1924 Adaptor Coupling 170-192mm to 144-160mm flexible adaptor coupling for connecting different size drainage pipes.
    £21.82 INC VAT
    Picture of MAC 2352  Adaptor Coupling  210-235mm to 110-125mm

    MAC 2352 Adaptor Coupling 210-235mm to 110-125mm

    MAC 2352 Adaptor Coupling 210-235mm to 110-125mm flexible adaptor coupling for connecting different size drainage pipes.
    £71.58 INC VAT
    Picture of MAC 3204  Adaptor Coupling  295 - 320 mm

    MAC 3204 Adaptor Coupling 295 - 320 mm

    MAC 3204 Adaptor Coupling 295 - 320 mm flexible adaptor coupling for connecting different size drainage pipes.
    £103.89 INC VAT
    Picture of MAC 4000  Adaptor Coupling  121-137mm to 108-122mm

    MAC 4000 Adaptor Coupling 121-137mm to 108-122mm

    MAC 4000 Adaptor Coupling 121-137mm to 108-122mm flexible adaptor coupling for connecting different size drainage pipes.
    £7.51 INC VAT
    Picture of MAC 6000 Adaptor Coupling  180-200mm to 160-180mm

    MAC 6000 Adaptor Coupling 180-200mm to 160-180mm

    MAC 6000 Adaptor Coupling 180-200mm to 160-180mm flexible adaptor coupling for connecting different size drainage pipes.
    £16.62 INC VAT
    Picture of MDC 115  Drain Coupling 100 - 115 mm

    MDC 115 Drain Coupling 100 - 115 mm

    MDC 115 Drain Coupling 100 - 115 mm flexible drain coupling for secure underground pipe connections.
    £7.51 INC VAT
    Picture of MDC 135 Drain Coupling 120 - 135 mm

    MDC 135 Drain Coupling 120 - 135 mm

    MDC 135 Drain Coupling 120 - 135 mm flexible drain coupling for secure underground pipe connections.
    £9.33 INC VAT
    Picture of MDC 165 Drain Coupling 150 - 165 mm

    MDC 165 Drain Coupling 150 - 165 mm

    MDC 165 Drain Coupling 150 - 165 mm flexible drain coupling for secure underground pipe connections.
    £13.60 INC VAT
    Picture of MDC 195 Drain Coupling 170 - 195 mm

    MDC 195 Drain Coupling 170 - 195 mm

    MDC 195 Drain Coupling 170 - 195 mm flexible drain coupling for secure underground pipe connections.
    £16.61 INC VAT
    Picture of MDC 40  Drain Coupling 32 - 40 mm

    MDC 40 Drain Coupling 32 - 40 mm

    MDC 40 Drain Coupling 32 - 40 mm flexible drain coupling for secure underground pipe connections.
    £4.07 INC VAT
    Picture of Mission Multi Pipe Connector 150 - 125/110

    Mission Multi Pipe Connector 150 - 125/110

    Mission Multi Pipe Connector 150 - 125/110
    £38.80 INC VAT
    Picture of Mission Rainwater Adaptor 100ID / 65-68 OD

    Mission Rainwater Adaptor 100ID / 65-68 OD

    Mission Rainwater Adaptor 100ID / 65-68 OD
    £6.04 INC VAT
    Picture of Mission Single Pipe Connector 150/110

    Mission Single Pipe Connector 150/110

    Mission Single Pipe Connector 150/110
    £13.87 INC VAT
    Picture of Mission Waste Drainage Adaptor - 100ID / 32-50mm OD

    Mission Waste Drainage Adaptor - 100ID / 32-50mm OD

    Mission Waste Drainage Adaptor - 100ID / 32-50mm OD
    £5.30 INC VAT
    Picture of MSC 115 Standard Coupling 100 - 115 mm

    MSC 115 Standard Coupling 100 - 115 mm

    MSC 115 Standard Coupling 100 - 115 mm flexible rubber coupling for joining similar diameter drainage pipes.
    £57.07 INC VAT