3mm Aluminium Coping – 2m Length | 125mm External Leg

Cover wide wall edges quickly with a strong, modern coping built for lasting protection.

This 2m aluminium coping unit is designed for faster coverage of parapet walls while maintaining a clean, watertight finish. Made from 3mm 1050A-grade aluminium, it's built for strength and stability. The 125mm external leg provides extra depth, making it ideal for larger or double-skin wall designs. Coated with weatherproof polyester paint and fire-rated to A2-s1,d0, it offers long-term durability for both commercial and residential 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:

Size (Capping Width)

Starting at £164.83

excluding shipping cost

Download Colour Chart

Features + Benefits

2m length for fewer joints and quicker installation
Heavy-duty 3mm aluminium for enhanced durability
125mm external leg for wide wall coverage
Polyester powder-coated for corrosion and UV resistance
Fire-rated A2-s1,d0 for full building compliance
Clean finish with hidden fixings and click-fit design
Supplied with 2–4 concealed brackets depending on width
EPDM sealing tape included with every 10m ordered
Available in full RAL and BS colour ranges
Manufactured in the UK from recyclable aluminium

Specs & Options

Material: 1050A Grade Aluminium
Thickness: 3mm
Length: 2 metres
Internal Leg: 75mm
External Leg: 125mm
Finish: Polyester powder-coated (external grade)
Colours: RAL/BS options available
Fire Rating: A2-s1,d0
Fixings: 2–4 hidden brackets included (based on size)
Seal: EPDM tape supplied per 10m
Lead Time: 3 to 5 working days
Custom Sizes: Available on request

Installation / Usage Instructions

Fix the concealed brackets to the wall or plywood. Apply EPDM tape to each bracket. Click the coping into place and allow a 3mm gap between lengths for expansion. No visible screws required.

Need a stronger, wider coping solution for your wall design?