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Why Choose Aluminium Clad Doors
Aluminium clad windows and doors give you something no single-material system can: the insulating warmth and natural character of timber on the inside, protected by a precision-engineered aluminium shell that stands up to everything the British climate throws at it.
This hybrid construction delivers thermal performance, structural longevity and virtually no maintenance. Whether you are renovating a period property or specifying for a contemporary new build, our alu-clad systems (sourced from leading supplier Finstral) set a gold standard.
Outstanding thermal performance
Minimal maintenance exterior
Dual-colour flexibility
Built to last 40+ years
- Colours
- Glazing
- Security
A Colour for Every Vision
The aluminium exterior can be powder-coated in virtually any RAL colour, from classic white and anthracite grey to deep contemporary tones. Internal timber surfaces can be lacquered, stained or painted to suit your interior scheme, with dual-colour configurations available as standard.
Anthracite Grey
White
Gloss White
Grey
Off White
Dark Grey
Dark Red
Dark Brown
Dark Blue
Dark Green
Black
Brown
Cream
Any RAL
Glazing that works as hard as the frame
Choose from high-performance double or triple glazing to suit your project requirements. Triple-glazed units significantly reduce heat loss and noise transmission, making alu-clad systems an excellent fit for Passivhaus builds and high-specification renovations alike
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Security You Can Rely On
Every aluminium clad door we supply is fitted with multi-point locking hardware as standard, meeting modern UK security requirements and providing genuine peace of mind.
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Aluminium Clad Doors Gallery
Combining the Best of Aluminium and Timber
Aluminium cladding wraps the exterior frame in a dimensionally stable shell that resists impact, moisture and UV degradation without ever needing repainting. The result is a door that looks as good on year twenty as it did on day one.
Inside, the timber core does what timber does best – insulate, add warmth and bring genuine character to any interior space. Speak to our team today to find aluminium doors for your project.
Supplied By Scotland’s Aluminium Experts
Century 21 sources aluminium clad systems from industry-leading manufacturers Finstral, whose Italian-engineered window and door profiles set the benchmark for precision, insulation performance and finish quality in the UK market.
Every system we supply is specified, measured and installed by our expert team – ensuring that the product performs exactly as intended from the day it goes in. No shortcuts, no compromise on quality.
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Our Process
Step 1
Enquiry
Get in touch with our friendly team and share the details of your project, we're happy to answer any questions and guide you through the next steps.
Step 2
Consultation & Technical Support
During our consultation, we offer technical support and work with the project architect to advise on the best systems for your project.
Step 3
Showroom Visit
Visit our showroom to see our range of products up close, and enjoy a one-to-one consultation to help find the perfect solution for your home or project.
Step 4
Quote
We'll provide a full, detailed quote tailored to your requirements, including survey and installation costs where needed, so there are no surprises.
Step 5
Installation & Aftercare
Our experienced, in-house fitting team will carry out your installation to the highest standard, with ongoing aftercare and advice available whenever you need it.
Frequently Asked Questions
Below we have answered some of the most common queries we receive from homeowners. If you can't find what you are looking for, get in touch with our team directly.
An aluminium clad door has a timber frame on the interior and a powder-coated aluminium shell on the exterior, combining natural warmth inside with weather-resistant durability outside.
The aluminium exterior requires no painting or sealing - just occasional cleaning. The internal timber may benefit from periodic re-lacquering depending on exposure and finish choice.
Yes. Dual-colour configurations are standard across our range. Your exterior can be finished in any RAL colour while the interior timber can be lacquered, stained or painted to match your décor.
Highly. The timber core provides excellent natural insulation and, combined with triple glazing options, alu-clad systems can achieve U-values suitable for Passivhaus and high-spec new build projects.
With proper installation and minimal upkeep, alu-clad doors are built to perform reliably for 40 years or more, making them a sound long-term investment for any property.
Visit our Showroom and See the Quality in Person
Touch the products, explore the finishes and talk to our team before you commit to anything. We’re here to help you make the right decision for your home.
10 Bairds Crescent, Allanshaw Ind Est, Hamilton, ML3 9FD
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