110mm Drainage Pipes and Fittings

We offer a wide range of 110mm drainage pipes designed to create a robust underground drainage system. Our products, which meet BS EN 1401-1 standard, are made from durable PVC-u and come in a unique Golden Brown/Terracotta colour. These underground pipes are ideal for domestic use and other drainage applications across the UK, ensuring high-quality performance in various conditions.

Features & Advantages of the 110mm Drainage Pipes & Fittings

The 110mm underground drain pipe is the standard for domestic drainage systems and drainage fittings. It provides reliable performance with a smooth interior for optimal water and waste flow. These components help create a complete and efficient system, allowing for easy integration with existing above-ground drainage setups, including soil and waste pipes.

In addition to the 110mm pipes, our offering encompasses a wide selection of:

and many more.

Installation Made Easy with Expert Guidance

Our products are compatible with leading manufacturers, making them ideal for system expansion or upgrades. If you need help choosing the right components, our customer service team can assist. Check out our Guides and Tips section for useful insights on properly laying pipes, including perforated drainage pipes, surface water drainage, and more.

Additional Offerings for Comprehensive Projects

We don’t just stop at pipes and fittings. Our range includes various drainage products, such as sewage treatment plants, sewer pipes, and inspection chambers

High-Quality Products You Can Trust

All our drainage pipe fittings follow stringent standards to ensure longevity and efficiency. Our PVC pipe material offers unmatched durability, making it the preferred choice over traditional materials like clay.

Need more details or have specific technical questions? Contact our sales team for expert advice, or email us for more information. We’re here to help you make the right choice for your project, providing dependable solutions for everything from Underground Drainage Pipes to Water Management systems.

Frequently Asked Questions

Can you use a grey 110mm pipe underground?

Yes, you can use grey 110mm pipes underground, but it's important to ensure they meet the necessary standards for underground drainage use. Typically, underground drainage pipes are colored in a Golden Brown/Terracotta to distinguish them from above-ground systems, which are usually grey. Grey pipes are often designed for above-ground soil and waste applications, where they are visible and exposed. If used underground, the pipes must be strong enough to withstand the weight of the soil and any surface loadings, such as vehicles or heavy foot traffic, to avoid damage.

What is the minimum fall for a 110mm drainage pipe?

The minimum fall for a 110mm drainage pipe depends on the type of water being drained:

  • The minimum gradient for foul water drainage (e.g., toilets, and sinks) is 1:80. This ensures that solids are carried away effectively, reducing the risk of blockages.
  • For surface water or wastewater (without solids), a steeper minimum fall of 1:40 is recommended. This allows for quicker water drainage, helping to prevent pooling, especially in areas with heavy rainfall.

For more information on invert levels and falls in drainage, refer to our guide on drainage falls.

What is the flow capacity of a 110mm pipe?

When installed with the correct gradient, a 110mm pipe can typically handle a flow rate of up to 4.5 liters per second for foul water drainage. Various factors, including the slope of the pipe, pipe length, and any bends or junctions in the drainage system, can influence the actual capacity. Ensuring the proper fall and using smooth-walled PVC-u pipes can help maintain optimal flow.

What size pipe is used for underground drainage?

A 110mm drainage pipe is the standard choice for domestic underground drainage systems for individual properties due to its suitability for most household wastewater needs. For larger projects or when connecting multiple houses to a shared drainage system, a larger pipe, such as a 160mm pipe diameter, is typically used to handle higher flow volumes and to accommodate the combined output. For more information, read our article on how drainage pipes are measured.

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    2. Brand FloPlast
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    2. Brand FloPlast
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    2. Brand FloPlast and PBSL Group
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    2. Brand PBSL Group
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    1. Code D105
    2. Brand FloPlast
    3. Size 110mm
    £3.84 £4.61
    1. Code D124
    2. Brand FloPlast
    3. Size 110mm
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    2. Brand PBSL Group
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    2. Brand PBSL Group
    3. Size 110mm
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    2. Brand PBSL Group
    3. Size 110mm
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    1. Code UB11030D
    2. Brand PBSL Group
    3. Size 110mm
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    1. Code UB11045S
    2. Brand PBSL Group
    3. Size 110mm
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    1. Code UB11045D
    2. Brand PBSL Group
    3. Size 110mm
    £3.67 £4.40
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    1. Code UB11090S
    2. Brand PBSL Group
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    1. Code UB11090D
    2. Brand PBSL Group
    3. Size 110mm
    £3.86 £4.63
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    1. Code D167
    2. Brand FloPlast
    3. Size 110mm
    £6.90 £8.28
    1. Code D164
    2. Brand FloPlast
    3. Size 110mm
    £6.90 £8.28
    1. Code D564
    2. Brand FloPlast
    3. Size 110mm
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