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WarmCore Windows and Doors

WarmCore aluminium Windows & Doors were created out of a desire to combine the desirability and durability of aluminium with unparalleled insulation. Comprising an aluminium outer skin around a uPVC thermal core, WarmCore offers the aesthetics of classic aluminium but with superior thermal performance, unlike traditional Aluminium windows & doors. WarmCore proves that beauty does not have to compromise performance.

Beautiful, strong and secure windows and doors that are 25% more thermally efficient than other systems. Built with a revolutionary British designed thermal core.

Superior Thermal Performance

WarmCore Windows and Doors offer the highest thermal performance possible

Hi-Tech Elegance

Mixing innovation and aesthetics and creating something spectacular. The unrivaled beauty of WarmCore

High Strength Construction

WarmCore Windows and Doors offer the highest thermal performance possible

Synseal Innovation

Designed by the in-house Synseal design team, WarmCore is am innovative British masterpiece

WarmCore Windows

WarmCore's unique, full width thermal core produces windows that are 25% more thermally efficient than traditional aluminium systems. WarmCore windows are fitted as standard with multi-point locking, are internally beaded and are backed by a 10 year guarantee. All in all, the perfect solution to keeping you and your home safe. Available as Casement or Tilt & Turn windows, and with an attractive flush sash option that brings the outer frame perfectly level – WarmCore windows are the perfect warm, secure and beautiful addition for your home.

With clean and modern lines, WarmCore produces windows with understated beauty. Perfectly suited to modern architecture as well as replacement projects, from large fixed pane ‘picture windows’ to windows with multiple openers, WarmCore has it covered. Attention has even been paid to how the window sashes look when open, with the black full-width thermal core creating a neat and thought-through appearance.

  • 25 % More Thermally Efficient Than Aluminium.

  • Choice of 4 Colour Configurations.

  • Flush Sash Options Available.

  • Exceptional Weather Performance.

  • Multi-Point Locking & Internal Beading.

  • 2-3 Week Lead Time.

  • Casement Or Tilt And Turn Windows.

  • High Quality Surface Finish.

  • Suitable For Domestic & Residential.

  • Double Or Triple Glazed.

  • PAS24 & SBD Compatible On Request.

  • Comprehensive 10 Year Guarantee.

warmcore doors
WarmCore Doors

Warmcore Doors have been designed from the ground up to offer unrivaled thermal performance, protecting against future tightening of Building Regulations. Warmcore is an innovative “warm aluminium” product range using a distinctive orange thermal uPVC core, which out performs the polyamide thermal break found in standard aluminium doors and windows. It's a British invention that we're proud to be associated with.

The premium quality aluminium finish is available in a range of 4 stunning styles – square, pencil round, decorative and chamfered, suitable for use in both residential as well as commercial properties. There is a choice of four colours to choose from: White, Cream, Black and Grey, which provide a total of 16 possible colour configurations, including dual combinations. With some of the best u-Values – as low as 1.0, Warmcore significantly outperforms traditional aluminium systems whilst boasting just a two to three week lead time.​

  • U-Values As Low As 1.0 W/M2k.

  • 4 Colour Finishes – 16 Colour Configurations.

  • 4 External Finishes Options.

  • Flexible Threshold Options.

  • ‘U’ Value As Low As 1.0.

  • 2-3 Week Lead Time.

  • Bi-Fold, French & Residential Doors.

  • High Quality Surface Finish.

  • Suitable For Domestic & Residential.

  • Double Or Triple Glazed.

  • PAS24 & SBD Compatible On Request.

  • Comprehensive 10 Year Guarantee.

WarmCore's unique composite construction creates the most thermally efficient aluminium product in its class. The design philosophy has produced a modern window system that has exceptional thermal performance, helping keep fuel bills lower and heat in your home, while retaining the sleek and architectural look of aluminium.

If you would like more information or a no-obligation quotation relating to WarmCore, or any other products offered by Composite Doors Cardiff and Trade Windows Wales, please contact us using our Enquiry Form for a fast response.

What our customers say

Jo & Alex, Abertillery

Would recommend Composite doors Cardiff. Brilliant service! Rob knows exactly what he's talking about and is very professional. My house looks stunning thanks to my new Windows and Composite door. Thanks once again. We are 100% satisfied customers!

Claire, Barry

Extremely happy with the door Rob supplied. He gave great advice when choosing and was always on hand to answer any questions we had. Wouldn't go anywhere else!

Chris, Caerphilly

Rob was helpful from the start always there for any questions I had. 
I work with multiple pvc manufacturers as I own and run a property improvement company and Cardiff composites service was professional with a quality product will definitely be using them again.

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Company No. 11654260. Registered in England and Wales.
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