WarmCore Patio frames

No other
aluminium door
comes close…

Aluminium patio doors are desirable for their clean, sleek design and durability, but are often perceived to be too cold to put in our homes. Genesis has overcome this issue and provides a warm aluminium option that offers unparalleled insulation. Genesis WarmCore doors are 25% more thermally efficient than traditional aluminium systems.


Genesis WarmCore doors are built with a revolutionary warm chambered core that ensures your stunning, sleek aluminium doors, also keep your home warm. They’ll also keep you safe and secure with the very best security options available.

WarmCore patio doors lifestyle


Traditional aluminium struggles to meet current legislation, forcing you to choose between aluminium aesthetics and thermal performance. With Genesis WarmCore doors you can have it all.

  • 25% more thermally efficient than traditional aluminium systems
  • U-Value of 1.4 for double glazed doors, beating the 1.8 requirement
  • Flexibility built in with multiple configurations
  • Custom designed 5 point lock running the full length of the door
Home Colours

A choice
of colour

Genesis WarmCore doors come in a choice of 4 powder coated colours that can be used in combination where required, so if you want the grey aluminium look outside and a fresher white appearance inside, with Genesis WarmCore doors, you can. There are also more colours available on request.


WarmCore patio doors features

Innovation in

Genesis WarmCore doors have a unique revolutionary thermal core that ensures the very best in thermal efficiency, with no compromise on design. We Graf-weld them for superior quality and precision, so Genesis WarmCore doors are truly outstanding.

Genesis Warmcore Patio Door Gallery

Genesis and Bison Warmcore technology

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