3mm Aluminium Flat Coping – 90° Corner | 75mm External Leg

Create a sleek, watertight corner finish with our 3 mm aluminium flat coping 90° corner, designed with a 75 mm external leg for compact yet secure wall coverage. This precision-formed corner piece connects two coping runs neatly at right angles, giving your flat roof or parapet walls a clean, professional, and long-lasting architectural detail.

Key Features

• 3 mm architectural-grade aluminium for superior rigidity and weather resistance

• 90° external corner ensures a tight, seamless join at wall intersections

• 75 mm external leg provides balanced wall protection with a refined profile

• Flat coping design ideal for contemporary buildings and flat roof applications

• Powder-coated finish available in all RAL colours

• Low-maintenance, lightweight, and easy to install

• Proudly manufactured in the UK with reliable quality and quick lead times

Why Choose This Aluminium Flat Coping Corner

This 90° corner section is the perfect finishing element for parapet and perimeter walls requiring a smooth, flush corner detail. The 3 mm aluminium construction offers excellent rigidity and strength, while the 75 mm external leg ensures proper wall coverage and protection. With its flat profile and powder-coated finish, it delivers a modern, minimal look that complements both commercial and residential projects.

What is a 90° coping corner used for?
It connects two coping runs at a right-angle junction, providing a clean, watertight edge around wall corners.

Is the 3 mm aluminium durable enough for outdoor projects?
Yes, it’s highly resistant to corrosion and offers long-term strength for all weather conditions.

Why choose a 75 mm external leg?
It provides compact coverage for smaller parapets or where a minimal edge profile is desired.

Can this be used with existing OMS coping systems?
Absolutely, it fits seamlessly with OMS’s flat coping range for a consistent, professional finish.

What colours are available?
We powder-coat all coping components in any RAL colour to suit your project’s design.

UK-made 3 mm aluminium flat coping 90° corner with 75 mm external leg. Powder-coated in all RAL colours for a durable, watertight architectural finish.