Access Junctions, Pipes, Anti-Flood Gullies and Back Traps Explained

Main Elements of Drainage in Commercial Premises


Commercial drainage systems are made up of multiple components, each with a more info clear function. Access junctions, Access Junctions access pipes, more info anti-flood gullies and back traps all assist in keeping the system efficient and robust over time.



Connecting the Drainage Network


Access junctions connect several pipes and offer entry points for inspections. Located at strategic positions, they make easier fault finding and removing blockages. Without them, upkeep in complex networks would be labour-intensive.



Keeping Access Simple


Access pipes are vertical sections that permit direct entry into the system. Installed at set points, they make it easier to deal with obstructions and carry out routine checks. They can also act as safety valves, reducing the chance of wastewater causing issues indoors.



Flood Protection


Anti-flood gullies stop surface water overwhelming drains. Useful in areas with frequent heavy rain, they maintain water flowing in the right direction, avoiding the risk of flooding. For businesses, this helps keep operations safe.



Keeping Wastewater Moving Correctly


Back traps work as barriers to block wastewater reversing back into the network. Placed in key positions, they help hygiene, control odours, and prevent contamination inside commercial areas.



Frequently Asked Questions (FAQs)



  • What is the purpose of access junctions?
    They allow easy cleaning and maintenance.

  • Why are access pipes fitted?
    They allow straightforward inspections.

  • How do anti-flood gullies work?
    They prevent surface water entering the system.

  • What is a back trap?
    It ensures waste moves in one direction only.

  • Are anti-flood gullies suitable for wet climates?
    Yes, they are designed for flood-prone conditions.



Key Details


Drainage in industrial properties relies on a series of components. Access junctions, access pipes, anti-flood gullies and back traps each maintain systems safe. Whether upgrading existing systems, these parts minimise risk and secure property. For professional advice and products, consult Knowles Drainage.

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