Optima Chamfered System

Optima is an easy-to-install, fully-integrated, 70mm-depth system designed for the production of casement, Tilt and Turn, French casements and residential and French doors. The slim, chamfered shape is clean, attractive and suitable for a wide range of projects.

Optima gives you more

More thermal chambers: 6 in the outerframe (8 with RCM inserts) and 5 in the sash (6 with RCM inserts) delivering optimal thermal performance and structural rigidity.


More choice: a broader range of range cills, baypoles, accessories and packers allowing you the flexibility you need.


More glazing options: the widest choice of glazing options on the market giving you the ability to build cost-effective, energy efficient windows.


More seals: optional centre seals to the outerframe and sash for improved insulation and weather protection.

The benefits of better design

Deeper drainage channels carry water away quickly and improve weather performance.


A central Eurogroove gives superior security and strength.


Deep add-on legs allow extra tolerance during frame installation.


Strategic, local wall thickening for better screw and hardware retention.


Secure bead system passes security tests without glazing clips and is ready for proposed enhancements to PAS24.


10mm overlap for improved weatherability.


Narrower frame for more light and improved solar gain.