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WarmCore Windows and Bi-Fold Doors

The unique WarmCore insulation system delivers market leading thermal performance.
Combine that with our unbeatable service and back-up and you’ve got the best of both worlds.

WarmCore Folding Sliding Doors

We are delighted to be your manufacturer for the WarmCore system, which is an innovative aluminium folding sliding door that incorporates a radically different product design to deliver a new high performance solution: “warm aluminium”. The clever engineering has quite literally re-defined thermal performance in wide span aluminium doors.

Practical and beautiful, without having to compromise performance, the WarmCore aluminium folding sliding doors were created out of a desire to combine the desirability and durability of aluminium with unparallelled insulation. The orange thermal core – hidden away in the finished doors – is key to why WarmCore doors are 25% more thermally efficient than traditional aluminium systems.

“Built with a revolutionary thermal core at its heart…”

Strong and secure, WarmCore doors come with class leading security built in, backed by a comprehensive 10 year product guarantee, reinforced by the ERA Five Star security guarantee. Inwards or outwards opening doors up to 6m wide, with as many as 7 opening sashes glide along custom designed tracks. While a wealth of colour, style and configuration options help you choose the perfect warm, secure and beautiful WarmCore door for your home.

Here are some more reasons why you should order your WarmCore from us:

  • Five exterior colours & five interior colours at the same price or you can choose any ral internal/external colour configuration, multiple external styling options
  • All in an amazing 10 day lead time
  • The WarmCore system is very efficient & delivers an incredible u value 1.0 w/m2k
  • High security doors which achieve pas24:2012 & with laminated glass
  • Fully weather rated which includes the low threshold option
  • 28 or 44mm glazing options

Free no obligation quick quote



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Look into the future…
Fresh, Clean Design

WarmCore windows are 25% more thermally efficient than traditional aluminium systems. Strong and secure, WarmCore windows come with multi-point locking, internal beading and are backed by a 10 year product guarantee – Available as casement or tilt and turn windows, and with a flush sash option that brings the outer frame perfectly level with the opening part of the window – WarmCore windows are warm, secure and beautiful.

With clean, modern lines, WarmCore creates windows with a refined and 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 attractive appearance.

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