Flush Sash Window

The Optima Flush Casement Window replicates the original features of timber casement windows more accurately than rival products and gives superior thermal performance too. It means you can open up heritage opportunities across all sectors.

Every detail of the Optima Flush Casement Window has been designed from scratch to deliver impressively authentic period looks with market-leading performance. Features and options include mechanical jointing, a dummy sash to give a balanced look, a deep bottom rail to replicate original timber frames and authentic hardware including monkey-tail handles and dummy peg stays. Colour options include period colours and dual colours.

Traditional Look

These windows will add some 19th-century character to any home they are installed in and provide 21st-century benefits such as low maintenance, thermal efficiency, security. weatherproofing & more.

Low Maintenance

This window won't be blighted by the issues that affected timber. Warping, cracking, bowing & twisting will be problems of the past. All these windows need is an occasional wipe with a damp cloth.

Reinforced Profile

The multi-chamber profile allows for a reinforced window. Recycled thermal inserts, aluminium &/or steel can be used. Additional multi-point locks ensure high-security across the frame.

Reducing Energy Bills

The multi-chamber system achieves a WER A+ rating and can achieve U-values as low as 0.9 W/m2K using 24mm insulating glass units.

Ventilation

Controllable or permanent ventilators can be added into the head of the frame if required. This allows for a cooler property in the summer.

Foils & Colour

The flush casement window is available in a variety of colours & woodgrain foils, with 15-in stock colours available, suiting the decor & style of every property.

What Is a Flush Sash Window?

All-in-all, it means there’s a compelling PVC-U option for heritage homes, social facilities, commercial premises and places of work.

And because it’s an Optima window, the end user benefits are just the start. There is also a wealth of benefits for fabricators and installers. These include common ancillaries for reduced stockholding, easy-to-locate hardware, optimised drainage and perfectly positioned seals for long-lasting performance.

As well as recreating the traditional British cottage window, the Optima Flush Casement Window also has a French Flush Casement Window option. The combination of the flush appearance and outstanding weather protection deliver an unbeatable result.