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Aluminium Half Round Gutter – 135° Internal Corner

Keep water flowing smoothly through angled internal corners with this perfectly engineered aluminium fitting.

The Aluminium Half Round Gutter – 135° Internal Corner is designed for rooflines that feature wide internal angles. This component creates a clean, watertight connection between two gutter runs at 135°, guiding water efficiently without leaks or overflow. Manufactured from corrosion-resistant aluminium and finished with a durable powder coat, this fitting is built for long-term performance and a seamless appearance. It's suitable for both domestic and commercial use and integrates effortlessly with the Online Metal Store half round gutter system.

Please refer to the attached RAL colour chart to view available options. At checkout, enter your chosen RAL colour in the designated box.

£31.56
excluding shipping cost excl. VAT £26.30
In stock
Download Colour Chart

Features + Benefits

  • Links two half round gutter runs at a 135° internal angle

  • Ensures smooth water flow through corner transitions

  • High-grade aluminium resists rust and weather damage

  • Powder-coated for long-lasting colour and protection

  • Fire-rated A2-s1,d0 to meet UK safety standards

  • Designed for quick and easy installation

  • Compatible with all standard half round fittings

  • Suitable for residential, commercial, and industrial buildings

  • Made in the UK and fully recyclable

Specs & Options

  • Material: 1050A Grade Aluminium

  • Finish: Polyester powder-coated (available in RAL/BS colours)

  • Fire Rating: A2-s1,d0

  • Use Case: 135° internal corner for half round gutter systems

  • Lead Time: 3 to 5 working days

  • Custom Options: Available on request

Installation / Usage Instructions

Align gutter runs into the corner piece. Apply aluminium-compatible sealant on both ends and fit securely with gutter clips or brackets. Ensure proper slope for effective drainage.

Have a wide internal corner on your roofline? 

This 135° aluminium corner fitting keeps your water flow smooth and leak-free. Order today or reach out to our team for expert guidance.