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Drainage

Drainage moves surface water away from an area. Drainage products from sump units, gratings, couplings, end caps and much more; Howarth have everything you need to complete your drainage system. 

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  • Brett Martin Single Socket Level Invert Reducer Taper Terracotta 250mm

    Brett Martin Single Socket Level Invert Reducer Taper Terracotta 250mm

    A underground sewer pipe level invert reducer or taper is essentially a tool to reduce the size to the next diameter. Designed to offer the installer maximum choice and flexibility. Every product has been designed with ease of installation in mind. All...
  • Brett Martin Single Socket Level Invert Reducer Taper Terracotta 315mm Brett Martin Single Socket Level Invert Reducer Taper Terracotta 315mm

    Brett Martin Single Socket Level Invert Reducer Taper Terracotta 315mm

    A underground sewer pipe level invert reducer or taper is essentially a tool to reduce the size to the next diameter. Designed to offer the installer maximum choice and flexibility. Every product has been designed with ease of installation in mind. All...
  • Brett Martin Single Socket Pipe Terracotta 160mm x 3m Brett Martin Single Socket Pipe Terracotta 160mm x 3m

    Brett Martin Single Socket Pipe Terracotta 160mm x 3m

    3m or 6m length single socket SN4 pipe suitable for 160mm / 6inch drainage layouts. Our single socket bend is ideal for any professional job, quickly & easily to install. Kite marked and manufactured in the UK to BS EN 1401:2019 certification.
  • Brett Martin Single Socket Pipe Terracotta 160mm x 6m

    Brett Martin Single Socket Pipe Terracotta 160mm x 6m

    3m or 6m length single socket SN4 pipe suitable for 160mm / 6inch drainage layouts. Our single socket bend is ideal for any professional job, quickly & easily to install. Kite marked and manufactured in the UK to BS EN 1401:2019 certification.
  • Brett Martin Single Socket Pipe Terracotta 200mm x 6m

    Brett Martin Single Socket Pipe Terracotta 200mm x 6m

    This 200mm underground sewer pipe is manufactured in the UK by Brett Martin. Brett Martin is a leading supplier of pipes, couplers, and single socket bends. All drainage systems are manufactured to stringent quality standards, with drain pipe and...
  • Brett Martin Single Socket Pipe Terracotta 315mm x 6m

    Brett Martin Single Socket Pipe Terracotta 315mm x 6m

    Our terracotta single socket pipe is ideal for any professional job, quickly & easily to install. Kite marked and manufactured in the UK to BS EN 1401:2019 certification. This lightweight, durable product is perfect for your next project. Please note:...
  • Brett Martin Socket Plug Terracotta 110mm

    Brett Martin Socket Plug Terracotta 110mm

    Spare socket plug for sealing off 110mm or a 160mm drainage pipe or fitting outlet. Manufactured in the UK and conform to BS EN 1401. They are incredibly durable, lightweight and easy to install into the designated slot.
  • Brett Martin Socket Plug Terracotta 160mm Brett Martin Socket Plug Terracotta 160mm

    Brett Martin Socket Plug Terracotta 160mm

    Spare socket plug for sealing off 110mm or a 160mm drainage pipe or fitting outlet. Manufactured in the UK and conform to BS EN 1401. They are incredibly durable, lightweight and easy to install into the designated slot.
  • Brett Martin Socket Plug Terracotta 200mm

    Brett Martin Socket Plug Terracotta 200mm

    Spare socket plug for sealing off 110mm or a 160mm drainage pipe or fitting outlet. Manufactured in the UK and conform to BS EN 1401. They are incredibly durable, lightweight and easy to install into the designated slot.
  • Brett Martin Socket Plug Terracotta 250mm

    Brett Martin Socket Plug Terracotta 250mm

    Spare socket plug for sealing off 110mm or a 160mm drainage pipe or fitting outlet. Manufactured in the UK and conform to BS EN 1401. They are incredibly durable, lightweight and easy to install into the designated slot.
  • Brett Martin Socket Plug Terracotta 315mm

    Brett Martin Socket Plug Terracotta 315mm

    Spare socket plug for sealing off 110mm or a 160mm drainage pipe or fitting outlet. Manufactured in the UK and conform to BS EN 1401. They are incredibly durable, lightweight and easy to install into the designated slot.
  • Brett Martin Solvent Cement Clear 125ml

    Brett Martin Solvent Cement Clear 125ml

    Brett Martin Solvent Cement for PVC Pipes. Utilised in the joining of pipework and fittings. Brush in lid can be used to apply the solvent cement to the target area. Product is manufactured in the UK and is CE Marked.
  • Brett Martin Solvent Cement Clear 250ml Brett Martin Solvent Cement Clear 250ml

    Brett Martin Solvent Cement Clear 250ml

    Brett Martin Solvent Cement for PVC Pipes. Utilised in the joining of pipework and fittings. Brush in lid can be used to apply the solvent cement to the target area. Product is manufactured in the UK and is CE Marked.
  • Brett Martin Solvent Cement Clear 500ml Brett Martin Solvent Cement Clear 500ml

    Brett Martin Solvent Cement Clear 500ml

    Brett Martin Solvent Cement for PVC Pipes. Utilised in the joining of pipework and fittings. Brush in lid can be used to apply the solvent cement to the target area. Product is manufactured in the UK and is CE Marked.
  • Brett Martin Solvent Cleaner Clear 250ml 50 x 75 x 50mm

    Brett Martin Solvent Cleaner Clear 250ml 50 x 75 x 50mm

    Our comprehensive range of underground products include pipes in up to 13 diameters from 58.9mm to 600mm, industry compliant fittings All Brett Martin products including Brett Martin Solvent Cleaner Clear 250ml 50 x 75 x 50mm are manufactured under a...
  • Brett Martin Square Hopper 160mm with 110mm Inlet Black 160 x 220 x 240mm

    Brett Martin Square Hopper 160mm with 110mm Inlet Black 160 x 220 x 240mm

    Our comprehensive range of underground products include pipes in up to 13 diameters from 58.9mm to 600mm, industry compliant fittings All Brett Martin products including Brett Martin Square Hopper 160mm with 110mm Inlet Black 160 x 220 x 240mm are...
  • Brett Martin StormCrate55 0.25m3 Crate + 4 Connectors Grey 1200 x 600 x 347mm

    Brett Martin StormCrate55 0.25m3 Crate + 4 Connectors Grey 1200 x 600 x 347mm

    Our comprehensive range of underground products include pipes in up to 13 diameters from 58.9mm to 600mm, industry compliant fittings All Brett Martin products including Brett Martin StormCrate55 0.25m3 Crate + 4 Connectors Grey 1200 x 600 x 347mm are...
  • Brett Martin Universal Pipe & Socket Plug Terracotta 50 x 135 x 135mm

    Brett Martin Universal Pipe & Socket Plug Terracotta 50 x 135 x 135mm

    Our comprehensive range of underground products include pipes in up to 13 diameters from 58.9mm to 600mm, industry compliant fittings All Brett Martin products including Brett Martin Universal Pipe & Socket Plug Terracotta 50 x 135 x 135mm are...
  • Brett Martin Yard Gully With Integral Trap Black 600 x 315 x 315mm

    Brett Martin Yard Gully With Integral Trap Black 600 x 315 x 315mm

    Our comprehensive range of underground products include pipes in up to 13 diameters from 58.9mm to 600mm, industry compliant fittings All Brett Martin products including Brett Martin Yard Gully With Integral Trap Black 600 x 315 x 315mm are manufactured...
  • Cascade 110mm Cast Iron Effect 135' Double Socket Bend Black 160 x 160 x 135mm

    Cascade 110mm Cast Iron Effect 135' Double Socket Bend Black 160 x 160 x 135mm

    Our soil & waste range of products includes pipes and fittings in both push-fit and solvent options, an overflow system, traps and compression fittings for all domestic and commercial applications contact us for more information. All Brett Martin...
  • Cascade 110mm Cast Iron Effect 92.5' Double Socket Bend Anthracite Grey 240 x 240 x 135mm

    Cascade 110mm Cast Iron Effect 92.5' Double Socket Bend Anthracite Grey 240 x 240 x 135mm

    Our soil & waste range of products includes pipes and fittings in both push-fit and solvent options, an overflow system, traps and compression fittings for all domestic and commercial applications contact us for more information. All Brett Martin...
  • Cascade 110mm Cast Iron Effect 92.5' Double Socket Bend Black 240 x 240 x 135mm

    Cascade 110mm Cast Iron Effect 92.5' Double Socket Bend Black 240 x 240 x 135mm

    Our soil & waste range of products includes pipes and fittings in both push-fit and solvent options, an overflow system, traps and compression fittings for all domestic and commercial applications contact us for more information. All Brett Martin...
  • Cascade 110mm Cast Iron Effect 92.5' Single Socket Access Bend Black 245 x 245 x 135mm

    Cascade 110mm Cast Iron Effect 92.5' Single Socket Access Bend Black 245 x 245 x 135mm

    Our soil & waste range of products includes pipes and fittings in both push-fit and solvent options, an overflow system, traps and compression fittings for all domestic and commercial applications contact us for more information. All Brett Martin...
  • Cascade 110mm Cast Iron Effect Vent Cowl Anthracite Grey 129 x 130 x 130mm

    Cascade 110mm Cast Iron Effect Vent Cowl Anthracite Grey 129 x 130 x 130mm

    Our soil & waste range of products includes pipes and fittings in both push-fit and solvent options, an overflow system, traps and compression fittings for all domestic and commercial applications contact us for more information. All Brett Martin...

Drainage

The drainage of rainwater is significantly important when starting a construction project, as without any efficient drainage we would be prone to increased flooding, which could ultimately cause problems for buildings and the land itself.

Howarth Timber & Building Supplies works closely with ACO to provide solutions for surface water control, and our plastic drainage systems are lightweight and easy to use while offering flexibility and strength.

Our rainwater plastic plumbing systems are designed to collect and move rainwater to either allow for harvesting (ideal for watering the garden) or direct it into the main drainage system. This is especially important to do around buildings to prevent damage caused by a build-up of water. 

If you are interested in purchasing any drainage pipes or products, or are just seeking further advice, please contact your local friendly Howarth branch.

How to guides


Residential drainage solutions

Let’s look at the features to consider when installing residential water management solutions…


A Class Apart: Drainage Load Classes

A class apart: all you need to know when it comes to drainage.