Aluminium Box Gutter – External Stopend

Seal the end of your gutter run with a strong, weatherproof stopend that prevents leaks and completes your rainwater system.

The Aluminium Box Gutter – External Stopend is designed to cap off the end of a box gutter run, delivering a watertight seal and clean visual finish. Built from durable 1050A-grade aluminium, it's ideal for both residential and commercial applications. This stopend is powder-coated for long-term protection against weather and corrosion, and it's fire-rated for safety compliance. Easy to install and available in a range of RAL/BS colours, it fits perfectly into the Online Metal Store's full box gutter system, giving you complete control over your rainwater management.

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:

Size

£10.50

excluding shipping cost

Download Colour Chart

Features + Benefits

Seals the external end of box gutter runs
Prevents leaks and overflows at the gutter edge
Made from lightweight yet strong aluminium
Powder-coated for a long-lasting, rust-resistant finish
Compatible with 100mm, 125mm, and 150mm gutter profiles
Fire-rated A2-s1,d0 for compliance and peace of mind
Quick and simple to install, saving time on site
Suitable for residential, commercial, and industrial projects
Fully recyclable for eco-conscious builds
Custom colours and sizes available to match your design

Specs & Options

Material: 1050A Grade Aluminium
Finish: Polyester powder-coated (RAL/BS colour range)
Fire Rating: A2-s1,d0
Use: External termination of box gutter
Lead Time: 3 to 5 working days
Custom Options: Available on request

Installation / Usage Instructions

Position the external stopend at the end of the gutter run. Apply aluminium-compatible sealant around the joint for a watertight finish. Secure with standard fixings if required. Suitable for both new installations and upgrades.

Need a clean and secure finish for your gutter system?