Aluminium Half Round Gutter – 90° External Corner

Guide rainwater smoothly around external corners with a clean, secure aluminium fitting made to last.

The Aluminium Half Round Gutter – 90° External Corner is designed to link two gutter runs around an outside 90° angle. It helps maintain continuous water flow while protecting building corners from overflow and damage. Built from high-grade aluminium with a durable powder-coated finish, this component delivers reliable performance in all weather conditions. It's ideal for new builds, renovations, or upgrading outdated drainage systems and integrates perfectly with the full Online Metal Store half round gutter range.

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

£31.56

excluding shipping cost

Download Colour Chart

Features + Benefits

Smooth transition around external 90° angles
Prevents leaks and reduces overflow at building corners
Made from corrosion-resistant aluminium
Powder-coated finish for long-term weather durability
Fire-rated A2-s1,d0 to meet UK building standards
Seamless fit with Online Metal Store gutter system
Low maintenance and easy to install
Suitable for residential, commercial, or industrial buildings
100% recyclable and made in the UK

Specs & Options

Material: 1050A Grade Aluminium
Finish: Polyester powder-coated (RAL/BS colour options)
Fire Rating: A2-s1,d0
Use Case: 90° external angle joint for half round gutters
Lead Time: 3 to 5 working days
Custom Options: Bespoke sizes and colours available on request

Installation / Usage Instructions

Align the external corner piece between two gutter lengths. Apply aluminium-compatible sealant at both joints, then fix in place using brackets or clips. Ensure proper fall to maintain water flow.

Need a secure way to guide water around outside corners?