Aluminium Round Downpipe with Flush Joint – 3m Length

Achieve smooth water flow and a seamless look with this modern flush-jointed aluminium downpipe.

The Aluminium Round Downpipe with Flush Joint | 3m Length is a sleek, durable solution for directing rainwater off your roof and away from your building. Built from high-quality aluminium, this system features a smooth flush-joint design that creates clean, uninterrupted lines with hidden fixings. It's powder-coated for weather resistance and is suitable for both traditional and contemporary buildings. The 3m length allows for efficient installation with fewer joints, reducing labour and improving aesthetics.

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:

Starting at £108.60
excluding shipping cost

Features and Benefits

  • 3m length reduces the number of joins and fittings

  • Flush joint design for a modern, seamless look

  • Lightweight and corrosion-resistant aluminium

  • Powder-coated in RAL and BS colours for long-term protection

  • Fire-rated to A2-s1,d0, meeting UK building standards

  • Compatible with aluminium brackets, outlets, bends, and hoppers

  • Ideal for both residential and commercial buildings

  • Fully recyclable and UK-manufactured

  • Available in multiple diameters

  • Custom colours and sizes available on request

Specs and Options

  • Material: 1050A Grade Aluminium

  • Length: 3m

  • Joint Type: Flush joint system

  • Finish: Polyester powder-coated (RAL/BS colour options)

  • Fire Rating: A2-s1,d0

  • Compatibility: Outlets, bends, offsets, hoppers, brackets

  • Available Diameters: Standard sizes (e.g., 76mm, 100mm)

  • Fixing Type: Hidden bracket or direct fix options

  • Lead Time: 3 to 5 working days

  • Custom Options: Lengths, colours, and profiles available on request

Installation Guide

Connect the flush joint ends by sliding one section into the next. Fix brackets to the wall at regular intervals and ensure proper alignment to the outlet or bend. Seal joints as required for watertight performance. Ensure proper drainage slope is maintained throughout.

Want a cleaner finish for your rainwater system? 

This flush-jointed round aluminium downpipe delivers performance and style in one piece. Order now or get in touch with the Online Metal Store team for help with sizing or compatibility.