French Casement Windows

Our French Casement Windows use Profile 22's Optima system. This system comes in several different sizes and styles, allowing for a perfect fit in any home. As with the other Optima uPVC Windows, the French Casement combines exceptional flexibility with advanced security & thermal performance. Available in a variety of foiled and coloured finishes, these windows can be mixed and matched with other uPVC windows to suit the decor and style of the homeowner.

Reinforced Profile

The profile of this window is reinforced with recycled thermal inserts, aluminium and/or steel, protecting the property further.

Changeable Frames

Almost any size or layout French Casement Window is possible. These windows can be installed in bays, bows & conservatories.


As well as the night vent, controllable or permanent ventilators can be fitted within the head profile of the window.

Colour Options

To fit every property, the French Casement Window is available in 15 colours with a variety of dual colour options available.

Reducing Energy Bills

These windows will reduce any property's energy bills, providing U-values as low as 0.9 W/m2k & providing WER ratings of A+.

Leading Security

Fitted with multi-point locking and double or triple glazing panes, there is an excellent level of security across the frame.

Colour Options

Glass Options

white chartwell-green dark-red brilliant-blue Steel-Blue agate-grey
autumn casement-autumn-cutout casement-chantilly-cutout casement-charcoal-sticks-cutout casement-contora-cutout casement-cotswold-cutout casement-digital-cutout casement-everglade-cutout casement-flemish-cutout casement-florielle-cutout casement-mayflower-cutout casement-minster-cutout casement-oak-cutout casement-pelerine-cutout casement-stippolyte-cutout casement-sycamore-cutout casement-taffeta-cutout casement-warwick-cutout

French Casement Window FAQ's

Here are some answers to the frequently asked questions we receive regarding our French Casement Windows.

1 - Does it Meet the Current Building Standards?

Yes, the French Casement Window has been manufactured to meet and exceed all current building standards and regulations.

2 - Is it Weatherproof?

Cold draughts & water ingress will be problems of the past with the French Casement Window. The window meets the requirements of BS EN 63751-1 2400, keeping the property warm & dry.

3 - Can it Accommodate Different Glazing?

Yes, the window can come with double or triple glazing, accommodating glazing up to 44mm.

What Is a French Casement Window?

If you’re a homeowner wondering what a French casement window is, we’ve got you sorted! French Casement windows let you bring a French touch to your home. It is designed with two casement windows side by side that open out from the centre. This removes a static frame, creating uninterrupted views. 

French Casement windows work well in bedrooms, sunrooms or conservatories. Here, you can make full use of your garden throughout the seasons. When closed, the windows press into the sash from all sides, providing a tighter fit. 

uPVC French Casement Windows

uPVC French Casement Window Benefits

Easy Clean Fire Egress Hinges

Lipped slider for enhanced smooth operation. Easy friction adjustment without metal to metal contact. Restricted hinge options available to protect the most vulnerable.

Stainless Steel Friction Stays
Stainless Steel Friction Stays

Available in ferritic 430 or austenitic 304 stainless steel for enhanced corrosion resistance. Durable and weather resistant, tested to 30,000 open cycles.

Customisable Handle Options
Customisable Handle Options

Guaranteed for 10 years, available in various colours to complement any window style. Our austenitic 304 stainless steel ergonomic handles are rust resistant.

Multi-Point Locking Systems
Multi-Point Locking Systems

Maximum security multi-point locking systems provide enhanced protection against forced entry. Additional dog bolts improve stability around the entire frame and prevent attack on the hinge side of the window.

Trickle Vents
Trickle Vents

Available in uPVC and aluminium, in a range of colours to match any frame (vent in frame head only for flush casement). Provided loose to prevent damage in transit. Complies with latest building regulations.

Accredited Weather Performance
Accredited Weather Performance

Superior weather sealing and draught proofing performance, conforming to the exacting standards of the BS-36751 accreditation.

Docking System Bolt
Docking System Bolt

Patented bolt into the keep docking system prevents sideways movement of the bolt when under attack.

Shootbolt Locks
Superior Shoot Bolt

Heavy duty bolt has up to 300 per cent greater contact area against competitor shoot bolts.

Durable Hardware
Durable Hardware

Resistant to salt and spray (BSEN1670) and cycle tested over 50,000 times for ultimate long term performance.

Choice of Profile Options

Profile 22 Chamfered Windows

Chamfered detailing features a more contemporary and simpler bevelled edge, with straight sightlines.

Profile 22 Scultpured Windows

Sculptured detailing offers a more traditional decorative finish replicating the curves found on traditional timber windows.

Profile 22 Flush Windows
Flush Sash

Featuring a dedicated slimline window sash flush within the outer frame, recreating a period aesthetic.

uPVC French Casement Window Handle Options

White Window Handle
Satin Window Handle
Chrome Window Handle
Gold Window Handle
Black Window Handle

Flush fitting push button


Key locking

Push to Release

Locking mechanisms


Sculptured cranked handle available in both left hand and right hand variants

Corrosion Resistant

Tested to BSEN1690 grade 5 salt and ammonia attack

Colour Coded

Push button and screw
cover cap

French Casement Windows Video

View how our French casement windows are manufactured in this video. As an Emplas approved installer, you'll be able to use customised versions of these videos and more on your own site.

French Casement Windows Brochure

By becoming an Emplas approved installer, you have access to our range of brochures which includes the “Complete Collection” highlighting the features and benefits of our Optima Window range.


70mm Framing System


Optional Sash Central Seal


5 Chamber Sash


10mm Cover on Weatherseals


U-values of 0.9W/m2K WERS


Chamfered or Sculptured Design


6 Chamber Outer Frame


Multiple Foil and Colour Options


Optional Outer Frame Centre Seal


Triple Glazing Panes Up To 44mm


Optional RCM Thermal Inserts


SAC Multi-Point Locking System

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