2mm Aluminium Retention Trim - 2.4m Length

The 2 mm Aluminium Retention Trim 2.4 m Length is a high-quality edge solution designed to secure roof membranes neatly while enhancing the look of any flat roof system. Made in the UK from premium architectural grade aluminium, it delivers strength, durability and resistance to corrosion — ideal for both residential and commercial buildings.

This trim provides a smooth, modern perimeter finish and can be powder coated in any RAL colour to perfectly match your aluminium copings, fascias or guttering.

Key Features

• 2 mm architectural grade aluminium – strong, lightweight and corrosion resistant

• 2.4 m standard length – reduces joints for a clean, continuous line

• Perfect for flat roof membranes – prevents uplift and water ingress

• Powder coated finish – available in any RAL colour

• Neat modern edge profile – enhances the visual appearance of roofs

• Low maintenance – built to last in all weather conditions

• Manufactured in the UK – consistent quality and fast turnaround

Why Choose Aluminium Retention Trims

Aluminium retention trims are known for their long lifespan and professional finish. They hold waterproof membranes firmly in place, protecting against wind damage and leaks. Compared to uPVC alternatives, aluminium offers greater rigidity and weather resistance.

Whether you are finishing a domestic flat roof or a large commercial project, these trims provide a polished architectural finish and a durable waterproof edge that stands the test of time.

What is a roof retention trim
It is used to secure waterproof membranes at the roof perimeter, ensuring a watertight seal.

Is this suitable for all roof types
Yes, it works with single ply, liquid and warm roof systems.

Can I colour match it
Yes, it can be powder coated in any RAL colour, including anthracite grey or black.

Does it need regular maintenance
Hardly any. Occasional inspection of fixings is all that’s required.

2 mm aluminium retention trim 2.4 m length. UK made, powder coated, corrosion resistant and ideal for securing flat roof membranes with a clean modern edge.