Aluminium Round Downpipe – Internal Joiner

The Aluminium Round Downpipe Internal Joiner is a precision component designed to connect two sections of round aluminium downpipe seamlessly. Manufactured in the UK from architectural-grade aluminium, it provides a strong, watertight connection while maintaining a smooth, uninterrupted appearance throughout the rainwater system.

Ideal for both modern and traditional buildings, this joiner ensures efficient water flow and a clean aesthetic for any aluminium guttering and downpipe installation.

Key Features

• Premium aluminium construction – durable, lightweight and corrosion resistant

• Internal design for a neat, concealed joint between downpipes

• Creates a watertight seal to prevent leaks

• Compatible with all round aluminium downpipes

• Powder coated in any RAL colour for a perfect match

• Quick and simple to install

• Made in Britain for reliable quality and fast turnaround

Why Use an Internal Downpipe Joiner

An internal joiner keeps your downpipe lines smooth and uncluttered, eliminating visible joints or external clips. It’s particularly useful in high-end architectural projects where visual consistency and performance are equally important.

When used with aluminium gutters, downpipes and fittings, it enhances the appearance of your rainwater drainage system while improving strength and durability.

What does an internal downpipe joiner do
It joins two sections of round aluminium downpipe internally for a smooth finish.

Is it compatible with aluminium guttering systems
Yes, it fits standard aluminium downpipes and connects perfectly to gutters and fittings.

Can it be powder coated
Yes, it’s available in any RAL colour finish to match your guttering and downpipe system.

Is installation simple
Yes, the internal fit allows for quick alignment and secure sealing without visible connectors.

Aluminium round downpipe internal joiner. UK made, powder coated and corrosion resistant. Creates seamless, watertight joints for aluminium rainwater systems.