Aluminium Box Gutter – 135° Internal Corner

The aluminium box gutter 135° internal corner is designed to create a precise, watertight connection where two box gutters meet at an inward-facing angle.

Built from durable, architectural-grade aluminium, it delivers both strength and a seamless appearance, ensuring long-term performance in all weather conditions.

Ideal for both domestic and commercial rain gutter systems, this component provides a clean, modern finish and prevents leaks at internal joints.

It’s fully compatible with all OMS aluminium gutters and downpipes, forming part of a complete aluminium guttering system that’s engineered for reliability and style.

Key Features

• Architectural-grade aluminium – strong, lightweight, and corrosion-resistant
• 135° internal corner – creates a neat, watertight connection for inward roof angles
• Box gutter profile – ideal for managing high-capacity rainwater flow
• Powder-coated finish – available in any RAL colour to match your gutter system
• Low maintenance – resists peeling, fading, and discolouration
• Compatible with OMS aluminium gutters and downpipes
• Manufactured in the UK – precision-built with reliable quality and fast turnaround

Why You’ll Love It

This 135° internal aluminium box gutter corner ensures accuracy and strength in every installation.

It keeps your metal rain guttering system watertight, consistent, and visually smooth which perfect for modern buildings or refurbishments.

The 2 mm thick aluminium body and high-quality powder coating provide superior durability while offering colour flexibility to suit any design.

From private homes to large commercial properties, this box guttering solution is built for long-term reliability and effortless maintenance.

What does a 135° internal corner do in a gutter system?
It connects two box gutter sections at an inward angle to maintain continuous, leak-free water flow.

Can it match my existing aluminium gutter colour?
Yes, it’s powder coated in any RAL shade to blend perfectly with your aluminium guttering and fascia system.

Is aluminium better than plastic gutters?
Absolutely. Aluminium is stronger, longer-lasting, and offers a more refined architectural finish than uPVC.

Is this suitable for commercial buildings?
Yes, this commercial-grade aluminium gutter corner performs reliably on both small and large projects.

Do you supply other box gutter fittings?
Yes, OMS offers box gutter stopends, outlets, and 90° corner sections for a complete rainwater system.

UK-made aluminium box gutter 135° internal corner. Powder coated in any RAL colour for a durable, watertight, and professional roof drainage connection.