2mm Aluminium Coping – 90° T-Junction | 75mm External Leg

Join three coping runs at a 90° T-intersection with lightweight strength and a perfect fit.

The 2mm Aluminium 90° Coping T-Junction is engineered to connect three coping runs at a right-angled intersection, ensuring a secure, seamless, and watertight join. Fabricated from 2mm 1050A-grade aluminium, it balances strength and lightweight handling, making it ideal for both installers and long-term durability. The polyester powder-coated finish protects against weather, corrosion, and UV, while the 75mm external leg provides clean, standard wall coverage.

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 £110.40

excluding shipping cost

Download Colour Chart

Features + Benefits

Forms a clean T-junction for flat coping systems
2mm aluminium for lightweight strength and easier installation
75mm external leg ensures balanced edge coverage
Fire-rated A2-s1,d0 for UK regulation compliance
Powder-coated finish for long-term weather protection
Push-click fitting system with no exposed screws
Supplied with 2nr hidden brackets for secure fixing
Full RAL and BS colour range available
Compatible with all Online Metal Store coping lengths
Fully recyclable and UK-manufactured

Specs & Options

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

Installation / Usage Instructions

Fix the two hidden brackets to 18mm external grade plywood. Apply EPDM tape to each bracket to create a weatherproof seal. Click the T-junction coping into place, leaving a 3mm expansion gap at each joint to allow for thermal movement.

Need a reliable, lightweight way to connect three coping runs at a T-point?

This 2mm aluminium 90° T-junction with 75mm leg delivers strength, precision, and clean aesthetics. Order now or contact the Online Metal Store team for help with layout or custom requests.