Aluminium Box Internal Stopend

The Aluminium Box Internal Stopend is designed to close the internal end of an aluminium box gutter run, helping the rainwater system finish neatly while directing water towards the correct outlet or downpipe route. It is a practical component for contractors, roofers, builders, and homeowners working on modern roofline and rainwater goods installations.

This product is available in 100mm x 75mm, 125mm x 100mm, and 150mm x 100mm size options, with a RAL colour selection available before ordering. The current product page lists the price from £8.75 excluding VAT and £10.50 including VAT. It is also marked as a custom-fabricated item made to the selected size and finish, so measurements and colour choice should be checked carefully before purchase.

For a complete box gutter setup, this internal stopend can be used with matching Aluminium Box Gutter 3m Length, Rainwater Goods, gutter corners, outlets, brackets, downpipes, and other aluminium roofline accessories.

Key Benefits

• Closes the internal end of an aluminium box gutter run neatly.

• Helps support controlled rainwater flow towards the planned outlet or downpipe.

• Available in 100mm x 75mm, 125mm x 100mm, and 150mm x 100mm sizes.

• RAL colour selection helps match the stopend with gutters, downpipes, fascia, soffits, copings, and cladding.

• Aluminium construction provides a lightweight, corrosion-resistant, and low-maintenance option for external roofline use.

• Can be planned alongside Aluminium Box Gutter External Stopend, internal and external corners, outlets, brackets, and downpipe fittings.

• Helps create a cleaner, more coordinated finish on residential, commercial, industrial, and refurbishment projects.

Product Details and Specification

These details are based on the current Online Metal Store Ltd product page, which lists the product title, price, size options, RAL colour option, and custom-fabricated item notice.

Where This Product Is Commonly Used

This aluminium box gutter internal stopend is commonly used on homes, extensions, flat roof edges, commercial buildings, industrial units, offices, schools, retail premises, and refurbishment projects. It is suitable where a box gutter run needs to be closed neatly at one internal end while keeping the wider roofline and drainage system consistent.

For wider rainwater planning, buyers can browse the full Rainwater Goods range. Online Metal Store Ltd states that its aluminium guttering and downpipes are designed for reliable water management with minimal maintenance, and that its rainwater goods are made from high-grade aluminium.

Why Aluminium Is a Good Choice

Aluminium is a practical material for gutter stopends because it is lightweight, corrosion resistant, and suitable for shaped roofline components. It is easier to handle on site than heavier materials and works well where a neat, colour-matched architectural finish is needed.

Online Metal Store Ltd notes that aluminium rainwater goods offer corrosion resistance, low maintenance, recyclability, and the ability to be finished in RAL or BS colours. The Aluminum Association also describes aluminium as lightweight, strong, durable, and infinitely recyclable.

Finish and Colour Options

This product includes a RAL colour selection option, allowing the internal stopend to match or coordinate with the rest of the aluminium rainwater system. This is useful when the same colour is required across gutters, downpipes, fascia, soffits, aluminium copings, cladding, trims, or other external metalwork.

For coordinated roofline design, you can also view Fascia and Soffits and Aluminium Copings from Online Metal Store Ltd.

For powder coated aluminium finishes, QUALICOAT UK & Ireland explains that QUALICOAT is focused on maintaining and promoting powder coating quality on aluminium and aluminium alloys for architectural applications. For colour reference, the official RAL Colours page lists colour shades across RAL Classic, RAL Effect, and RAL Design System plus.

Installation and Ordering Notes

Before ordering, confirm whether your gutter run requires the 100mm x 75mm, 125mm x 100mm, or 150mm x 100mm internal stopend. You should also check the gutter profile, outlet position, fall direction, corner requirements, brackets, sealant, fixings, and any downpipe connections needed for the full rainwater system.

This product is custom fabricated to the selected size and finish. The product page states that buyers should double-check measurements before ordering and that the item is non-returnable unless faulty.

For wider drainage planning, Approved Document H is a useful UK reference because it covers building regulation guidance for drainage and waste disposal in England.

If the gutter run also needs a main gutter section, use the matching Aluminium Box Gutter 3m Length. If the project has corners, you may also need the Aluminium Box Gutter 90° Internal Corner or Aluminium Box Gutter 90° External Corner.

Why Buy From Online Metal Store Ltd

Online Metal Store Ltd supplies aluminium rainwater goods and architectural metal products for UK construction, roofing, refurbishment, and exterior finishing projects. Its Rainwater Goods page includes aluminium box gutter, square downpipes, half round gutter, and round downpipe categories.

This product is useful for buyers who need a made-to-order aluminium box gutter internal stopend in a selected size and RAL colour. Ordering matching rainwater components from the same supplier can help keep the guttering, stopends, corners, outlets, brackets, and downpipe connections more consistent across the project.

If you are unsure about size, colour matching, or compatibility, use the Contact Us page before placing your order.

FAQ Section

What is an aluminium box gutter internal stopend used for?

It is used to close the internal end of an aluminium box gutter run. This helps contain rainwater within the gutter and direct it towards the correct outlet or downpipe route.

What sizes are available?

The product page lists 100mm x 75mm, 125mm x 100mm, and 150mm x 100mm size options.

Can I choose a RAL colour?

Yes. The product page includes a RAL colour selection option, allowing the internal stopend to coordinate with matching gutters, downpipes, fascia, soffits, copings, or other roofline products.

Is this product suitable for commercial projects?

Yes. It can be used on residential, commercial, industrial, and refurbishment projects where a compatible aluminium box gutter system is being installed.

Is this the same as an external stopend?

No. This product is an internal stopend. If your gutter layout requires the opposite closing direction, check the matching Aluminium Box Gutter External Stopend.

What other products may I need?

Depending on the system layout, you may need Aluminium Box Gutter 3m Length, corners, outlets, brackets, joiners, sealant, fixings, downpipes, bends, clips, and shoes.

Is this product returnable?

The product page states that this is a custom-fabricated item made to the selected size and finish, and it is non-returnable unless faulty.

Choose the correct size and RAL colour for your aluminium box gutter internal stopend before ordering. If you are unsure about gutter size, stopend direction, colour matching, or the fittings needed for your rainwater system, contact Online Metal Store Ltd for guidance before purchase.