Understanding Key Drainage Components

Main Elements of Drainage in Commercial Premises


Commercial drainage systems are made up of various components, each with a defined click here function. Access junctions, Access pipes access pipes, anti-flood gullies and back traps all assist in keeping the system functional and reliable over time.



Linking Pipework Together


Access junctions join several pipes and provide entry points for inspections. Located at appropriate positions, they streamline fault finding and clearing blockages. Without them, upkeep in large networks would be labour-intensive.



Making Maintenance Straightforward


Access pipes are vertical installations that enable direct entry into the system. Installed at specific points, they help to remove obstructions and carry out routine checks. They can also double up as safety valves, reducing the chance of wastewater causing issues indoors.



Flood Protection


Anti-flood gullies block surface water overwhelming drains. Practical in areas with frequent heavy rain, they keep water flowing in the right direction, avoiding the risk of flooding. For businesses, this helps limit downtime.



Preventing Backflow


Back traps function as barriers to prevent wastewater reversing back into the network. Placed in important positions, they maintain hygiene, control odours, and stop contamination inside commercial areas.



Frequently Asked Questions (FAQs)



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

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  • 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 prevents wastewater flowing back.

  • 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, get in touch with Knowles Drainage.

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