2mm Aluminium Coping – 90° Corner | 75mm External Leg

Join right-angle wall corners with a lightweight coping unit built for a clean, weatherproof finish.

The 2mm Aluminium 90° Coping Corner is designed to connect flat coping runs at 90-degree angles, delivering a smooth and watertight transition. Crafted from durable yet lightweight 2mm 1050A-grade aluminium, it offers a neat architectural finish with excellent protection against weather, corrosion, and UV rays. The 75mm external leg provides standard wall coverage, making it ideal for both new builds and existing properties.

Please refer to the attached RAL colour chart to view available options. At checkout, enter your chosen RAL colour in the designated box.

Choose a variant:

Capping Width

Starting at £74.88

excluding shipping cost

Download Colour Chart

Features + Benefits

Precision-formed 90° corner for flat coping systems
2mm aluminium for lightweight strength and easy handling
75mm external leg for standard edge coverage
Fire-rated A2-s1,d0 for UK building compliance
Polyester powder-coated for long-lasting protection
Push-click installation with no visible screws
Supplied with hidden brackets for seamless fit
Available in all RAL and BS colour ranges
Compatible with Online Metal Store coping profiles
Fully recyclable and made in the UK

Specs & Options

Type: 90° Corner Coping
Material: 1050A Grade Aluminium
Thickness: 2mm
External Leg: 75mm
Finish: Polyester powder-coated (external grade)
Fire Rating: A2-s1,d0
Colours: Available in RAL/BS options
Fixings: Hidden brackets included
Lead Time: 3 to 5 working days
Custom Sizes: Available upon request

Installation / Usage Instructions

Fix the included brackets onto 18mm external grade plywood. Apply EPDM seal tape. Push the 90° corner unit into place using the click-fit system, leaving a 3mm expansion gap between joints for proper thermal movement.

Need a clean and reliable corner join for your coping system?

This 2mm aluminium 90° coping corner with 75mm leg is the perfect fit. Order now or reach out to the Online Metal Store team for help with layout or colour options.