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Calibre System
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The Calibre window and door system is ideal for today’s competitive market, delivering quality, performance and service at exceptional value.

No Frills


Designed and extruded by REHAU for Climatec, the Calibre window & door system is a modern, 45° chamfered multi-chambered product. Built in Britain Calibre gives you the best of everything you need and cuts out everything you don’t.

Available products using Calibre:-

Internally glazed casements
Bay and bow windows
Tilt & turn windows
French windows
Residential front doors
Stable doors
French doors

Built in Britain - Manufactured in the market’s leading extrusion facility, with over 26 years of experience in extrusion and technology.

Multi-Chamber - New 70mm modern window and door system with multi chambered profiles to enhance thermal efficiency.

Stylish, practical and straightforward - Offering the best of everything you need for today’s domestic refurbishment and new build markets.

Clean white & glossy - Beautifully bevelled perfect for the industry’s popular window and door styles.


 - Choice of two chamfered outerframes - 55mm & 67mm, both in 5 chambered profile as standard

 - 75mm chamfered sash

 - Decorative 28mm glazing bead

 - Pre-inserted black gaskets

 - Lead free & 100% recyclable

 - Choice of finishes available; Std White, Rosewood on white and Oak on white

 - Secured By Design Accreditation

 - BFRC Energy Ratings of A & C

For the full specification sheet click here.

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