3mm Aluminium Sloping Coping – Stopend Upstand (Left Handed) | 100mm External Leg

This 3mm aluminium coping upstand is designed to finish a sloping aluminium coping run with a neat left handed stopend upstand detail. It is suitable for parapet walls, flat roof edges, roofline terminations, abutment areas, extensions and commercial building projects where a clean closed end and upstand detail is required.

Made from 3mm aluminium, this left handed coping upstand provides a strong, lightweight and low-maintenance finish for UK residential and commercial projects. The 100mm external leg helps create a consistent visible edge, while the sloping profile supports rainwater run-off from exposed wall tops. The product is available in size options from 510mm to 1060mm, with RAL colour selection available before ordering.

It can be used with matching aluminium copings, rainwater goods, and other aluminium roofline products for a more consistent project finish.

Key Benefits

• Provides a neat left handed stopend upstand detail for sloping aluminium coping systems.

• Made from 3mm aluminium for a strong, lightweight and durable roofline component.

• 100mm external leg helps create a clean visible finish on parapet walls and roof edges.

• Sloping profile supports rainwater run-off and helps reduce water sitting on exposed wall tops.

• RAL colour options allow the upstand to match fascia, soffits, gutters, downpipes, cladding or other aluminium details.

• Suitable for UK residential, commercial, refurbishment and new-build projects.

• Custom-fabricated to the selected size and finish for a more project-specific result.

Product Details and Specification

Where This Product Is Commonly Used

This aluminium coping upstand is commonly used by roofers, contractors, builders, architects and homeowners working on parapet walls, flat roof edges, boundary walls, extensions and commercial roofline details. It is especially useful where a run of aluminium sloping coping needs a left handed stopend upstand to create a neat, practical and consistent finish.

For larger roofline projects, this product can be used with straight coping lengths, internal corners, external corners, closed stopends, fixings, sealants and related aluminium components. If the project also includes drainage or colour-matched exterior metalwork, it can be coordinated with rainwater goods, fascia and soffits, trims and other aluminium architectural products.

Why Aluminium Is a Good Choice

Aluminium is a practical material for coping systems because it is lightweight, strong, long-lasting and highly corrosion resistant. The Council for Aluminium in Building explains that aluminium naturally generates a protective oxide coating, is highly corrosion resistant, and can accept surface finishes such as powder coating.

For UK roofline applications, these qualities make aluminium suitable for exposed parapet walls, flat roof edges and wall terminations. It is easier to handle on site than heavier materials, does not rust like some ferrous metals, and can provide a clean architectural finish with low ongoing maintenance when installed correctly.

Finish and Colour Options

This product includes a RAL colour selection option, allowing the coping upstand to match or coordinate with the wider building design. A consistent colour choice can help the upstand work neatly with fascia and soffits, gutters, downpipes, cladding, flashings and other aluminium roofline details.

For general colour reference, buyers can check the official RAL colour information. RAL lists colour shades across RAL Classic, RAL Effect and RAL Design System plus, but screen colours may vary, so the final colour choice should be checked carefully before ordering.

Installation and Ordering Notes

Before ordering this left handed coping upstand, measure the wall width, coping run and termination point carefully. The selected size needs to work with the straight coping length and the direction of the run, so check whether a left handed or right handed upstand is required before placing the order.

You may also need to consider fixings, joints, sealant, internal corners, external corners, adjoining roof coverings and any drainage details. Where rainwater design is part of the wider project, UK guidance such as Approved Document H: drainage and waste disposal may be useful for general reference.

This is a custom-fabricated item made to the selected size and finish. Please check all measurements, handing and colour details carefully before ordering, as the product page states that custom-fabricated items are non-returnable unless faulty.

Why Buy From Online Metal Store Ltd

Online Metal Store Ltd supplies aluminium architectural products for UK roofline, rainwater and construction projects. The product range includes aluminium copings, rainwater goods, fascia and soffits, accessories and aluminium door canopy products.

The company supports buyers with product dimensions, RAL colour selection, custom fabrication and order guidance. This is useful for contractors, builders, roofers and homeowners who need the right size, finish, handing and product type before ordering for a live project.

FAQ Section

What is this aluminium coping upstand used for?

This product is used to create a left handed stopend upstand detail on a sloping aluminium coping run. It helps finish the end of the coping system neatly on parapet walls, flat roof edges and similar roofline areas.

What does left handed upstand mean?

A left handed upstand is designed for a specific end direction of the coping run. Check the layout of your wall and the direction of the coping carefully before ordering to make sure the handing is correct.

What size options are available?

The product is available in size options from 510mm to 1060mm. Choose the size that matches your wall width and coping system.

Can I choose a RAL colour?

Yes. A RAL colour option is available before ordering. This can help match the upstand with fascia, soffits, gutters, downpipes, cladding or other aluminium roofline details.

Is this product suitable for UK weather?

Yes. Aluminium is commonly used for external building products because it is lightweight, corrosion resistant and suitable for exposed applications when installed correctly.

Does the sloping profile help with rainwater run-off?

Yes. The sloping profile helps direct rainwater away from the wall top and supports better water run-off as part of a suitable coping system.

Is this product returnable?

This is a custom-fabricated item made to the selected size and finish. It is non-returnable unless faulty, so size, handing and colour choices should be checked carefully before ordering.

Choose the required size, handing and RAL colour before ordering. If you are unsure about measurements, finish options or matching components, contact Online Metal Store Ltd for guidance before placing your order.