J B Windows : UPVC Windows & Doors

Bi-fold Doors

Warmcore Aluminium Doors

The Warmcore aluminium folding sliding door system does something quite special, keeping your home warmer than the standard alternative.

Its technical design is based around a high-performing thermal core, meaning its streamlined good-looks work hard to keep your home warm. A standard double glazed option can achieve a U-value of 1.5 W/m2K, with 1.0 W/m2k achievable with 44mm triple glazing. That’s impressive stuff.

It looks great on the outside, but something radical is going on inside. With slim sight lines, energy efficiency, effortless rollers and unbeatable weather tightness, it’s an innovative way to transform your home, without compromise.

JB Windows Ltd, Unit D4, Fairacres Estate, Dedworth Road, Windsor SL4 4LE, UK

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