Aluminium Half Round Gutter – 90° External Corner

This aluminium gutter corner is designed to connect two half round gutter sections at a 90° external angle. It provides a clean corner detail for UK rainwater systems where the gutter needs to turn around an outside building corner, extension, roof edge or commercial elevation.

Made from aluminium, this external gutter corner is suitable for standard aluminium half round gutter systems and helps maintain a consistent rainwater route around the building. The product page confirms that it is precision-engineered in the UK, crafted from aluminium, and available with a RAL colour selection option.

It can be used as part of a wider rainwater goods installation and coordinated with fascia and soffits, aluminium copings, half round gutters, downpipes and related accessories.

Key Benefits

• Creates a neat 90° external corner connection between two half round gutter runs.

• Designed for standard aluminium half round gutter systems.

• Aluminium construction provides a lightweight, corrosion-resistant and low-maintenance gutter fitting.

• RAL colour options help the corner match gutters, downpipes, fascia, soffits and other exterior aluminium products.

• Helps support smooth rainwater movement around external roofline corners.

• Suitable for residential, commercial, refurbishment and heritage-style properties.

• Custom-fabricated to the selected finish, so buyers can coordinate the corner with the wider rainwater system.

Product Details and Specification

The product page states that this is a custom-fabricated item made to the selected size and finish, and that it is non-returnable unless faulty.

Where This Product Is Commonly Used

This aluminium half round gutter 90° external corner is commonly used on homes, extensions, commercial buildings, offices, retail units, schools and refurbishment projects where the roofline includes an outside corner.

It is especially useful as part of a complete rainwater goods installation, alongside aluminium half round gutters, outlets, joints, brackets, downpipes and related accessories.

Where the wider exterior finish matters, the selected RAL colour can also be coordinated with fascia and soffits, aluminium copings, cladding, trims and other roofline products.

Why Aluminium Is a Good Choice

Aluminium is a practical material for gutter corners and rainwater fittings because it is lightweight, strong, long-lasting and highly corrosion resistant. The Council for Aluminium in Building explains that aluminium naturally forms a protective oxide coating, is highly corrosion resistant, and can accept surface finishes such as powder coating.

For UK roofline projects, these qualities make aluminium suitable for exposed gutter corners that face regular rain, moisture, wind and changing temperatures. Aluminium does not rust like some ferrous metals, and it can provide a clean finish with low ongoing maintenance when installed correctly.

Finish and Colour Options

This product includes a RAL colour selection option, allowing the aluminium gutter corner to match or coordinate with the wider rainwater system. This is useful when matching the corner with half round gutters, downpipes, fascia, soffits, copings, cladding and other roofline details.

For general colour reference, buyers can check official RAL colour information. The official RAL site lists colour systems including RAL Design System plus, RAL Classic, RAL Effect, RAL Individual and RAL Digital.

Screen colours can vary, so the final RAL colour should always be checked carefully before ordering.

Installation and Ordering Notes

Before ordering this aluminium half round gutter 90° external corner, check the roofline angle, gutter profile, gutter run length, outlet position and the number of joints and brackets required. The correct corner fitting will depend on the external building angle, gutter layout and wider rainwater design.

You should also confirm any required accessories before ordering, including half round gutter lengths, gutter joints, outlets, brackets, downpipes, bends, shoes, colour coded fasteners and sealant. Where the gutter system forms part of a wider drainage design, UK Approved Document H: drainage and waste disposal may be useful for general project guidance.

This product is custom fabricated to the selected finish. Please check the RAL colour, compatibility and required accessories carefully before ordering, as the product page states that custom-fabricated items are non-returnable unless faulty.

Why Buy From Online Metal Store Ltd

Online Metal Store Ltd supplies aluminium architectural products for UK roofline, rainwater and construction projects. The website navigation includes rainwater goods, aluminium copings, fascia and soffits, accessories, metal planters and aluminium door canopy products.

This helps contractors, roofers, builders and homeowners coordinate gutters, corners, downpipes, brackets, colours and finishing details from one supplier. If you are unsure about colour matching, corner suitability or suitable rainwater accessories, contact Online Metal Store Ltd before placing your order.

FAQ Section

What is an aluminium half round gutter 90° external corner used for?

An aluminium half round gutter 90° external corner is used to connect two half round gutter runs around an outside right-angle corner. It helps the rainwater system follow the roofline while maintaining a neat external corner detail.

Is this suitable for half round aluminium gutters?

Yes. The product page states that this corner is specifically engineered to fit standard aluminium half round gutters.

Can I choose a RAL colour?

Yes. This aluminium gutter corner includes a RAL colour option and can be powder coated to match the chosen gutter or wider roofline finish. You can also check official RAL colour information as a general colour reference.

When would I need a 90° external gutter corner?

A 90° external gutter corner is useful where the gutter needs to turn around an outside building corner. This is common on homes, extensions, commercial elevations and other roofline layouts with right-angle external corners.

Is aluminium suitable for UK rainwater systems?

Yes. Aluminium is widely used for external rainwater products because it is lightweight, long-lasting and highly corrosion resistant. The Council for Aluminium in Building explains that aluminium naturally forms a protective oxide coating and can accept powder coated finishes.

What accessories may I need with this gutter corner?

You may need aluminium half round gutter lengths, gutter joints, outlets, brackets, downpipes, bends, shoes, colour coded fasteners and sealant depending on your roofline layout. You can check related accessories or contact Online Metal Store Ltd before ordering.

What should I check before buying?

Check the roofline angle, gutter profile, RAL colour, gutter run length, outlet position, bracket requirement and any connecting components. If the corner is part of a wider drainage system, Approved Document H may be useful as a general UK drainage reference.

Is this aluminium gutter corner returnable?

This product is custom fabricated to the selected finish, so it is non-returnable unless faulty. Check the colour, angle, compatibility and required accessories carefully before placing your order.

Choose the required RAL colour before ordering. If you are unsure about the correct corner type, colour matching or the right rainwater accessories for your project, contact Online Metal Store Ltd for guidance before placing your order.