Aluminium Box Downpipe – Branch

Split water flow between two downpipes with a strong, seamless branch connector made to last.

The Aluminium Box Downpipe – Branch allows you to connect a secondary downpipe into your main rainwater system with ease. This T-section fitting is designed to direct water efficiently from multiple roof areas into a single drainage solution. Manufactured from durable aluminium and finished with a long-lasting powder coat, it ensures weather resistance, clean flow, and long-term reliability. Whether for commercial or residential use, this fitting simplifies complex drainage systems without sacrificing performance or appearance.

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:

Branch Degree & Size

Starting at £55.80

excluding shipping cost

Download Colour Chart

Features + Benefits

Connects two downpipes into one for better flow distribution
Strong, rust-resistant aluminium construction
Powder-coated for weather durability and visual consistency
Fire-rated A2-s1,d0 to meet UK safety requirements
Clean modern finish for visible or hidden applications
Fits seamlessly into box downpipe systems
Ideal for complex gutter layouts or multi-roof connections
Fully recyclable and made in the UK

Specs & Options

Material: 1050A Grade Aluminium
Finish: Polyester powder-coated (available in RAL/BS colours)
Use Case: Mid-line T-branch connector for box downpipes
Fire Rating: A2-s1,d0
Lead Time: 3 to 5 working days
Custom Options: Available upon request for size or outlet position

Installation / Usage Instructions

Position the branch between two vertical downpipes or connect a secondary feed into your main line. Apply aluminium-compatible sealant at joints. Secure using brackets or fixings as per your drainage layout.

Need to combine flows from multiple roof sections?