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

Important Components in Commercial Drainage

Commercial drainage systems are made up of different components, each with a defined function. Access junctions, access pipes, anti-flood gullies and read more back traps all support in keeping the system efficient and reliable over time.

Joining Multiple Lines

Access junctions connect several pipes and provide entry points for maintenance. Located at appropriate positions, they simplify fault finding and resolving blockages. Without them, upkeep in large networks would be labour-intensive.

Keeping Access Simple

Access pipes are vertical sections that enable direct entry into the system. Installed at regular points, they allow professionals to remove obstructions and carry out routine checks. They can also double up as emergency points, reducing the chance of wastewater causing issues indoors.

Flood Protection

Anti-flood gullies block surface water overwhelming drains. Useful in areas with frequent heavy rain, they maintain water flowing in the right direction, reducing the risk of overflow. For businesses, this helps protect property.

Maintaining Proper Flow

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

Frequently Asked Questions (FAQs)

• What is the purpose of access junctions?
  They link multiple pipes and provide entry for inspections.


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

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• How do anti-flood gullies work?
  They stop flooding during heavy rainfall.

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• What is a back trap?
  It helps maintain hygiene by stopping reverse flow.


• Are anti-flood gullies suitable for wet climates?
  Yes, they are effective where heavy rainfall occurs.

Key Details

Drainage in commercial properties relies on a set of components. Access junctions, access pipes, anti-flood gullies and back traps each support systems safe. Whether planning new systems, these parts limit risk and protect property. For professional advice and products, get in touch with Knowles Drainage.