2mm Aluminium Coping – 90° Internal Corner | 100mm External Leg

Easily connect coping runs at internal corners with lightweight protection that lasts.

This 90° internal corner coping unit is designed to provide a watertight and seamless join between two coping sections at internal angles. Made from 2mm 1050A-grade aluminium, it offers a strong yet lightweight solution for parapet walls. The 100mm external leg provides balanced coverage, while the external-grade powder coating protects against rust, fading, and everyday wear. A perfect fit for both residential and commercial projects.

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 £76.80

excluding shipping cost

Download Colour Chart

Features + Benefits

Designed for 90° internal corners in 2mm aluminium coping system.
Made from strong 2mm 1050A-grade aluminium
Finished with a long-lasting polyester powder coat
Fire-rated A2-s1,d0 for full safety compliance
Sleek look with no visible fixings
Supplied with 1.5nr fixing brackets per unit
Click-fit system allows fast and secure installation
RAL and BS colour options available
Suitable for residential, commercial, and industrial projects

Specs & Options

Material: 1050A Grade Aluminium
Thickness: 2mm
Internal Leg: 75mm
External Leg: 100mm
Finish: Polyester powder-coated (external grade)
Colours: RAL and BS options available
Fire Rating: A2-s1,d0
Fixings: 1.5nr hidden brackets per unit
Lead Time: 5 to 10 working days
Custom Sizes: Available on request

Installation / Usage Instructions

Each unit comes with hidden brackets. Simply attach the bracket to the top of the wall and click the coping into place. No visible screws. No specialist tools required. Clean finish in just a few minutes.