2mm Aluminium Sloping Coping – 135° External Corner | 125mm External Leg

Ensure a flawless, watertight finish around angled walls with our 2 mm aluminium sloping coping 135° external corner, crafted with a 125 mm external leg for extended coverage. Designed for both modern and traditional facades, it provides the perfect junction between coping sections, delivering strength, style, and long-term weather protection.

Key Features

• 2 mm aluminium construction for strength, precision, and corrosion resistance

• 135° external corner provides a smooth, watertight connection for angled walls

• 125 mm external leg gives enhanced wall coverage and stability

• Integrated slope directs water away efficiently to prevent staining and damp

• Powder-coated finish available in any RAL colour

• Durable, low-maintenance, and easy to install

• Manufactured in the UK with fast lead times and consistent quality

Why Choose This Aluminium Coping Corner

This 135° external corner is ideal for angled parapet and boundary walls, combining a sleek appearance with practical protection. The 125 mm external leg provides additional wall coverage and improved stability, while the sloped profile ensures effective rainwater drainage. Made from 2 mm powder-coated aluminium, it’s lightweight yet exceptionally durable — a dependable choice for high-quality architectural finishes.

What is a 135° external coping corner used for?
It connects coping runs at wider external wall angles, maintaining a watertight and professional edge finish.

Why choose a 125 mm external leg?
The wider leg provides greater coverage and improved wall protection, especially in exposed conditions.

Is the 2 mm version durable enough for long-term use?
Yes, it’s made from strong aluminium and finished with a weatherproof powder coating for durability.

Can I order custom colours?
Absolutely. All components can be powder-coated in any RAL colour to match your coping system.

How is it installed?
The corner section fits securely using concealed brackets and sealant, creating a seamless watertight joint.

UK-made 2 mm aluminium sloping coping 135° external corner with 125 mm external leg. Powder-coated in all RAL colours for a durable, watertight architectural finish.