The trusted aluminium and PVCu supply for trade and commercial projects


Download the latest copy of our product brochures for our range of high-performance aluminium solutions for use in domestic and commercial applications.


Interior shot of an AluSpace pivot door in an office setting

Introducing AluSpace Interior Doors & Screens

Smart Visofold 1000 aluminium bi fold door

Introducing Visofold 1000 Slim with Quick-Glaze Beads

Frequently Asked Questions

We are here to answer your questions – here are the most frequently asked about our products.

Which aluminium profiles do you use?

We use profiles from some of the most respected aluminium systems companies, such as Smart and Cortizo. For bifolds we use visofold 1000 series and Cortizo; visoglide plus for patio doors; alitherm 600 for windows; and shopline for shop fronts.

What is meant by a ‘standard’ RAL?

We offer different paint options. A ‘standard’ RAL refers to a RAL colour, such as those that can be found at A ‘non-standard’ RAL is a paint finish such as those chosen from the Sensations range, which are more expensive.

What is the difference between single and standard RAL?

A single RAL means the same colour on both sides whereas a dual RAL means a different colour on each side, so the inside can match the interior if needed.

What U value is a bifold door?

The U value of a standard bifold for is 1.6, or 1.5 if triple glazed.

When do I require trickle vents?

Trickle vents are required when building control is overlooking a job. Please ask their advice on up-to-date guidelines in reference to this or refer to the Document L guidelines here.

What guarantees can I expect from TWR Group for my aluminium order?

We also care after our work is done by giving you a one-year guarantee on moveable parts, such as handles, locks etc, a five-year guarantee on glass (although this does not cover accidental damage). We also provide a seven-year guarantee on colour fast paintwork.

How do I pay for my order?

We require a 50% deposit when you place your order before we begin the order process. Once the deposit is paid then the manufacture time starts. You are then required to pay the remainder of the balance before or on delivery. Please note that we DO NOT accept cheques, and the above is not applicable to those who have an account with TWR Group.

Manufactured in house

Manufacturer and supplier based in the North East serving customers nationwide

The TWR Group specialise in fabricating Smart Systems aluminium products for residential and light commercial applications. All our products are manufactured in house to ensure that the quality of our products is consistently maintained.

We have also invested in our own powder coating facilities at our Sunderland & Peterlee factories. This means that we can offer the fastest lead times at highly competitive prices

Discuss your project
Helen & Laura Richardson sisters from TWR
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We have been using TWR since we started our company in 2014. They have always given a friendly and efficient service so I would have no hesitation in recommending them to other installers.

Cumbria Windoworks

Having worked with TWR for over eight years and purchasing all our commercial and aluminium products from them I can’t recommend them highly enough. They provide us with high-quality windows and doors efficiently and at a very competitive price

Everglade, Manchester

We have worked with TWR for 10 years, the product supplied is nothing short of excellent, and the enquiry stage is smooth all the way through to the aftercare. Commercial or domestic TWR will advise on and support you through ordering!

TWG, Lincoln

Dealt with Terry and Dawn, simple and to the point ordering of windows and aluminium Bifolds. Very helpful and honest.

Can recommend to anyone!

Dan C