Guide to Access Junctions, Pipes, Anti-Flood Gullies and Back Traps

Main Elements of Drainage in Commercial Premises

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

Joining Multiple Lines

Access junctions link several pipes and offer entry points for checks. Located at planned positions, they make easier fault finding and resolving blockages. Without them, upkeep in complex networks would be difficult.

Keeping Access Simple

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

Keeping Water Under Control

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

Keeping Wastewater Moving Correctly

Back traps act as barriers to prevent wastewater reversing back into the network. Placed in important positions, they help hygiene, control odours, and stop 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 make clearing blockages more efficient.

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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 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 business properties relies on a combination of components. Access junctions, access pipes, anti-flood gullies and back traps each help keep systems safe. Whether installing fresh systems, these parts reduce risk and safeguard property. For professional advice and products, get in touch with Knowles Drainage.