3mm Aluminium Sloping Coping – 135° Internal Corner | 125mm External Leg

Complete angled parapet junctions neatly with our 3 mm aluminium sloping coping 135° internal corner. Designed with precision and built for performance, this corner section connects two inward-facing coping runs at an obtuse angle, maintaining the coping slope for smooth drainage and long-term weather protection.

Key Features

• 3 mm structural-grade aluminium ensures rigidity and corrosion resistance

• 135° internal corner for accurate alignment of obtuse-angle wall junctions

• 125 mm external leg offers extended wall coverage and reliable sealing

• Sloping design promotes natural rainwater run-off to prevent damp or staining

• Powder-coated finish in all RAL colours for design consistency

• Lightweight, low-maintenance, and simple to install

• Manufactured in the UK with quick turnaround and dependable quality control

Why Choose This Aluminium Coping Corner

This 135° internal corner provides a refined, watertight connection where parapet walls meet at wider angles. The extended 125 mm leg gives additional wall coverage, while the sloped profile ensures proper drainage and a continuous visual line. It’s a practical and elegant choice for modern architectural designs that demand precision detailing and long-lasting protection.

What is a 135° internal coping corner used for?
It connects two coping runs meeting at an inward obtuse angle, ensuring a watertight, aligned finish across sloped parapet walls.

Why choose the 125 mm external leg?
The wider leg enhances wall coverage, providing improved protection for larger parapets or exposed installations.

Is it compatible with sloped coping systems?
Yes, it’s designed to perfectly match OMS’s sloped coping profiles for continuous drainage through the corner.

Can I order this corner in different colours?
Absolutely. It’s available in all RAL colours with a durable powder-coated finish to match your chosen coping system.

How is the 135° internal corner installed?
It fits between coping runs using concealed fixings and sealant, providing a secure, watertight joint with a seamless appearance.

UK-made 3 mm aluminium sloping coping 135° internal corner with 125 mm external leg. Powder-coated in all RAL colours for durable, watertight parapet wall protection.