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As an anti-corrosive metal, aluminium can easily withstand everything the weather has to throw at it without affecting the quality of the finish or its ability to keep your home free from draughts and the rain. Having been enhanced for thermal performance, aluminium doors from Emerald will keep your home cosy and comfortable too.
Select from bi-folding doors and sliding patio doors, both of which will subject areas of your home to copious amounts of light, really brightening them up.
Fitted with polyamide thermal breaks for energy efficiency
Available in any RAL colour to suit any preferences
Choose from a variety of threshold options
Dramatically brighten up areas of your home
Ultra-sustainable aluminium means you can reduce your carbon footprint
Equipped with the latest locking systems for robust security
For those who like the ultra-modern look, our aluminium offers a stylish and sleek finish as well as natural insulation. Secure yet flexible, it makes the perfect choice for windows, doors and conservatory frames.
Contact usWelcome to our FAQ section dedicated to answering common questions about our Aluminium Doors. Here you’ll find helpful info on durability, design options, installation, and more to help you make the best choice. If you don’t find what you’re looking for, feel free to contact us with your questions — we’re here to help every step of the way!
Aluminium doors use lightweight metal frames, allowing sleek slim profiles while maintaining structural strength. They are often used for modern bi-fold or sliding systems.
Yes, when fitted with polyamide thermal breaks and quality seals, they reduce heat loss. Emerald’s aluminium doors are explicitly enhanced for thermal performance.
Yes — they are available in any RAL colour to suit your design preference
Aluminium resists corrosion and handles weather extremes well without affecting finish or performance.
The cost depends on size, configuration (e.g. bi-fold or sliding), finish, glazing and hardware. Prices vary based on specification — not a fixed figure.
Why not read through some of our informative blogs, written in the aim of answering frequently asked questions on all things home improvement related.
See all newsMarch 31, 2026
Choosing between bi-folding doors and sliding doors can feel like a big decision. Both are a popular choice for modern homes, offering more natural light and a stronger link to your outdoor space. But the right choice depends on how...
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March 30, 2026
Today’s modern, well-designed conservatory is much more than a room used only during the summer months. With thoughtful design ideas, it can become a comfortable extra living space that works throughout the year. From layout and furniture to roof options...
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March 18, 2026
When it comes to improving your home, choosing the right company can make all the difference. That’s why we’re proud to share that Emerald Windows and Doors, an award-winning window and door installer based in Swindon, has once again...
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