3mm Aluminium Sloping Coping – 90° External Corner | 100mm External Leg

Create a perfectly finished corner detail with our 3 mm aluminium sloping coping 90° external corner. Designed for precision, this component ensures a clean, watertight joint where two coping runs meet. Delivering a refined architectural look and long-lasting protection against the British weather.

Key Features

• 3 mm premium-grade aluminium for rigidity and corrosion resistance

• 90° external corner section engineered for seamless alignment of coping runs

• 100 mm external leg for secure wall coverage and uniform edge finish

• Sloping design directs rainwater efficiently away from parapet surfaces

• Powder-coated finish available in any RAL colour

• Compatible with all OMS aluminium coping systems for fast, secure installation

• UK-manufactured with quick turnaround and nationwide delivery
  

Why Choose This Aluminium Coping Corner

This external corner section ensures that your coping system not only performs well but also looks flawless. It eliminates visible gaps, maintains consistent slope drainage, and enhances the overall appearance of roof and wall edges. Ideal for both modern residential builds and large-scale commercial projects, it’s a reliable, low-maintenance solution that stands the test of time.

What is a 90° external coping corner used for?
It connects two aluminium coping runs at an outside corner, ensuring a continuous, watertight edge and a tidy architectural finish.

Can this corner be used on sloping coping systems?
Yes, it’s designed to match the slope profile of OMS copings, keeping water flowing away from the wall surface.

Is the corner available in different sizes or colours?
Absolutely. We can manufacture bespoke corner sections in any width and RAL colour to suit your project.

How is the corner fixed to the coping runs?
It slots into place with concealed brackets and sealant, providing a neat finish without visible fixings.

Where is this product made?
All OMS aluminium copings and accessories are proudly manufactured in the Chelmsford, Essex, UK for fast delivery and consistent quality.

UK-made 3 mm aluminium sloping coping 90° external corner with 100 mm external leg. Available in all RAL colours for parapet and boundary wall applications.