2mm Aluminium Sloping Coping – 90° External Corner | 125mm External Leg

Achieve a clean, watertight junction at wall corners with our 2 mm aluminium sloping coping 90° external corner, designed with a 125 mm external leg for enhanced wall protection.

This precision-engineered corner piece connects coping runs at right angles, maintaining a continuous, modern finish while ensuring excellent water management and long-term durability.

Key Features

• 2 mm architectural-grade aluminium for strength, corrosion resistance, and light weight

• 90° external corner creates a perfect, watertight junction for outer wall angles

• 125 mm external leg provides greater coverage and balanced proportions

• Built-in slope ensures smooth rainwater drainage away from the wall face

• Powder-coated finish available in any RAL colour

• Low-maintenance, durable, and easy to install

• Manufactured in the UK with short lead times and reliable quality assurance

Why Choose This Aluminium Coping Corner

This 90° external corner offers a sleek and professional way to join coping runs around outer wall angles.

The 125 mm external leg provides additional wall coverage, ideal for larger or more exposed parapets, while the sloped design prevents water build-up and staining.

Manufactured from 2 mm powder-coated aluminium, it combines lightweight handling with exceptional durability — the perfect balance of performance and aesthetics for modern architectural projects.

What is a 90° external coping corner used for?
It connects two coping runs at a right-angled external junction, creating a watertight and seamless corner finish.

Why choose a 125 mm external leg?
The wider leg provides deeper wall coverage and improved protection against heavy rainfall and wind exposure.

Is the 2 mm thickness durable enough for outdoor use?
Yes, it’s strong, lightweight, and powder-coated to withstand all UK weather conditions.

Can this corner be colour-matched to my coping?
Absolutely. We offer all RAL colours to ensure a consistent and professional finish across your project.

How is it installed?
It fits seamlessly with OMS’s sloping coping system using concealed brackets and sealant for a watertight, screw-free connection.

UK-made 2 mm aluminium sloping coping 90° external corner with 125 mm external leg. Powder-coated in all RAL colours for a durable, watertight, and modern architectural finish.