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UNDERGROUND DRAINAGE PIPE AND FITTINGS

Underground Drainage Pipe and Fittings for Domestic and Commercial Projects

Build Plumb Plastics supply a complete range of underground drainage pipe and fittings suitable for domestic, commercial and civil engineering drainage installations. Our below-ground drainage systems include drainage pipes, bends, junctions, couplers, reducers and inspection fittings designed for reliable foul water and surface water drainage systems.

All of our underground drainage pipe and fittings are sourced from trusted UK manufacturers including Polypipe, Brett Martin, Naylor, Clark Drain, Pipelife and Fernco. Our drainage products are manufactured to recognised UK standards including EN 1401-1 and BS 4660, ensuring durability, compatibility and long service life.

Underground Drainage Pipe Sizes

Our underground drainage pipe systems are available in the most commonly used UK pipe sizes including:

These drainage pipe sizes are widely used in domestic drainage systems, commercial drainage installations and civil engineering drainage projects throughout the UK.

Complete Underground Drainage Systems

Alongside underground drainage pipe and fittings we also supply a full range of associated drainage products including:

These products allow installers to design, build or repair complete below-ground drainage systems from a single supplier.

Quality UK Drainage Products

Our underground drainage pipe and fittings are manufactured using durable PVCu materials and include integrated sealing rings to provide watertight connections. These drainage systems are designed for ease of installation and long-term reliability in residential, commercial and civil drainage systems.

To ensure the integrity of your underground drainage installation we recommend using certified drainage products that meet recognised UK drainage standards and are compatible with other approved components within the drainage system.

110mm Underground Drainage Pipe and Fittings110mm Underground Drainage Pipe and Fittings160mm Underground Drainage Pipe and Fittings160mm Underground Drainage Pipe and Fittings200mm Underground Drainage Pipe and Fittings200mm Underground Drainage Pipe and Fittings250mm Underground Drainage Pipe and Fittings250mm Underground Drainage Pipe and Fittings315mm Underground Drainage Pipes & Fittings315mm Underground Drainage Pipes & Fittings400mm Underground Drainage Pipe and Fittings400mm Underground Drainage Pipe and FittingsUnderground Drainage AdaptorsUnderground Drainage AdaptorsUnderground Drainage LubricantsUnderground Drainage Lubricants
Underground drainage pipes and fittings are an essential part of a plumbing system designed to carry wastewater and rainwater away from residential, commercial, or industrial buildings to the main sewage system or a designated drainage area.
The most common materials used for underground drainage pipes and fittings include PVC (polyvinyl chloride), HDPE (high-density polyethylene), and ABS (acrylonitrile butadiene styrene). These materials are durable, resistant to corrosion and chemicals, and have a long service life.
Underground drainage systems provide several benefits, including preventing flooding and water damage, maintaining a hygienic environment, protecting the structural integrity of buildings, and ensuring efficient wastewater management.
Underground drainage fittings include various components such as couplers, bends, tees, reducers, gullies, inspection chambers, and access fittings. These fittings are designed to connect and direct the flow of wastewater in the underground drainage system.
Yes, underground drainage pipes and fittings are designed for easy installation. The pipes are usually lightweight, making them manageable during installation. Fittings are designed to fit securely and provide leak-free connections, simplifying the installation process.
Yes, underground drainage systems are designed to handle heavy rainfall. The pipes are typically available in different sizes to accommodate varying water flow rates. Additionally, properly designed systems with adequate slope and capacity can effectively handle high volumes of water.
The lifespan of underground drainage pipes and fittings depends on various factors such as the material used, installation quality, and environmental conditions. However, high-quality PVC, HDPE, and ABS pipes can have a service life of several decades.
While underground drainage systems are designed to be low-maintenance, periodic inspections are recommended to ensure they remain free from blockages or damage. Regularly removing debris and inspecting for signs of wear can help maintain the system’s efficiency.
Yes, damaged underground drainage pipes can be repaired. Depending on the extent of the damage, options for repair may include using pipe repair couplings, patching the damaged section, or replacing a specific segment of the pipe.
Yes, building codes and regulations vary by location, and it’s essential to comply with local regulations when installing or modifying an underground drainage system.