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Designed by leading profile supplier REHAU, Calibre offers a new multi-chamber, 70mm modern window with excellent thermal performance and enhanced security. It’s also 100% recyclable and 100% lead-free.

Available in a wide range of window styles, Calibre offers exceptional reliability, excellent functionality and all the usual well-known benefits associated with UPVC.

Multi-chamber profile for enhanced thermal efficiency

Beautifully bevelled

Clean white, glossy finish. woodgrain and painted finishes also available

Authentic astragal Georgian glazing bars

Decorative 28mm glazing bead

Pre-gasketed profile for the perfect finish

Energy ratings of A, B & C

Suitable for all modern hardware

Meets all UK weather and security test requirements

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