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Decorative glass

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Multi-Point Locking

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thermally efficient

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Multiple styles

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Design your own Roundbrand
Aluminium Windows and Doors

Select and quote from many styles, colours and glass designs all from the comfort of your own home!

Aluminium flush sash bay

If you’d prefer metal to uPVC, we have good news. With the exception of our vertical sliders (only available in uPVC), we can offer aluminium versions of all of our windows. If you’re interested in aluminium casement windows, tilt-and-turn windows or any others, just get in touch and we can help you find the right ones.
Our aluminium windows feature multiple customisation options. The shape, size, style and accessories can all be adjusted, and we have an eclectic selection of colours too. So if you want versatile, bespoke metal windows, think Roundbrand.

Aluminium solid door

Aluminium is also extremely useful when it comes to making doors. It’s a versatile metal that can be customised for many different styles and even replicate the aesthetics of timber. Whether you live in a traditional cottage in the countryside or a sophisticated apartment in the city, we can create the perfect aluminium door for you.
It’s not just front doors either. Aluminium is widely used to make patio and French doors as well. The strength of the metal means it can support more glass, so you’ll get a brighter home with a vibrant, breezy atmosphere. Whatever you want from your new metal doors, we can assist.

Aluminium door styles

Whether you’re interested in an aluminium casement window, patio doors or something else, you’re guaranteed the best quality glass. All of our metal products are equipped with double glazing and they have excellent thermal insulation and noise protection qualities. You can rely on our aluminium products to keep your home warm and quiet, and we can even upgrade to triple glazing on request.

Aluminium french door with sides

Quote Your Own Aluminium Doors And Windows

If you’re interested in aluminium windows and doors, why not give our online quoting tool a go? It’s fast and user-friendly and a great way to see your ideas come together. You’ll be able to design everything from the colours and styles to the glazing and accessories and get a personalised quote at the end.

Why Aluminium?

Aluminium is the perfect material for making doors and windows. It has a strength comparable to steel but is also relatively lightweight, so can provide slimmer sightlines and wider glazed areas. At the same time, it places less strain on the structure of the house and can be relied upon for an extremely long time. The lifespan of aluminium windows and doors can be measured in decades rather than years. 


Aluminium is also thermally efficient. Don’t be fooled by it being cold to the touch, it retains heat remarkably well and can help your home remain comfortable all year round. The inherent toughness of aluminium means it’ll keep out any unwanted intruders and when it eventually reaches the end of its life, it can easily be recycled. Aluminium has multiple benefits and we’re more than happy to help you design your own metal windows and doors.


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Composite doors.pdf pdf

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Environmentally Friendly

Sustainable Windows And Doors

Aluminium is one of the most abundant metals on the planet and is comparatively easy to recycle. All of our metal windows and doors are produced in the most energy efficient way possible and include a large amount of recycled aluminium. These doors and windows are the perfect choice for the ecologically conscious homeowner.

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Improved Security

Fully Accredited Aluminium Windows And Doors

Our aluminium products are rigorously tested to ensure they meet a high standard. They all achieve full accreditation from Secured By Design, a Police-approved home security initiative so can be relied on to keep your home safe. The sophisticated locks and inherently strong frames are perfect for keeping unwanted intruders at bay.

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