Aluminium Round Downpipe -Spigot Extender

Easily extend your round downpipe without replacing the full length seamless, secure, and built to last. 

The Aluminium Round Downpipe – Spigot Extender is designed to join or lengthen existing round downpipe sections, giving you a secure and aligned extension. It's the perfect solution for adding extra reach between downpipe outlets and drainage points, or for adapting drainage layouts during renovation. Built from corrosion-resistant aluminium and powder-coated for long-term durability, this component ensures water-tight performance and smooth integration with any round downpipe system.

Please refer to the attached RAL colour chart to view available options. At checkout, enter your chosen RAL colour in the designated box.

Choose a variant:

£103.50
excluding shipping cost

Features + Benefits

  • Connects or extends round downpipe runs with a secure fit

  • Saves time and cost on full pipe replacements

  • Made from lightweight, corrosion-resistant aluminium

  • Polyester powder-coated finish for long-term outdoor use

  • Fire-rated A2-s1,d0 for full compliance

  • Quick, tool-free push-fit or sealant-based installation

  • Compatible with 63mm, 76mm, and 100mm round downpipes

  • Manufactured in the UK from 100% recyclable aluminium

Specs & Options

  • Material: 1050A Grade Aluminium

  • Use Case: Pipe-to-pipe extension for round downpipes

  • Finish: External-grade polyester powder coat (RAL/BS colours)

  • Fire Rating: A2-s1,d0

  • Lead Time: 3 to 5 working days

  • Custom Options: Available for various diameters and finishes

Installation / Usage Instructions

Insert the spigot extender into the lower end of one pipe, then slide the second pipe section over the exposed end. Apply aluminium-compatible sealant around all connection points to ensure a watertight fit. Fix in place using brackets if necessary.

Need to extend a round downpipe without starting from scratch? 

This aluminium spigot extender gives you the reach you need fast and secure. Order now or contact us for sizing support.