The UK’s leading manufacturer of casement windows.

We’re one of the UK’s largest manufacturers of casement windows, including energy efficient aluminium casement and UPVC casement ranges.
As dedicated casement window suppliers to trade customers, we take pride in delivering unparalleled quality and a diverse range of options to meet the specific needs of your projects.

Casement window suppliers for trade

We are casement window manufactures and supply one of the UK’s widest selection of casement windows. These offer a choice of standard or flush casement upvc windows with the energy efficient next generation Optima system from Profile 22.

We also supply the AluK 58BW ST HI aluminium casement window. Available as a standard slim sightline aluminium casement or flush casement option, our range has been developed to offer you and your customers maximum design flexibility.

Casement window options

uPVC Trade Casement Windows

We manufacture uPVC casement windows, fabricated in Optima, the energy-efficient next generation system from Profile 22. Available in chamfered or fully sculptured options

AluK Casement Windows

We supply aluminium casement windows manufactured in the AluK 58BW ST HI aluminium window system. AluK 58BW ST HI aluminium windows offer an ultra-slim sash, creating a minimal sightline.

PVC-U Flush Casement Windows

Also offering u-values of as low as 0.9W/m2K, the Optima Flush Casement window is defined by a flush finish between the sash and frame. A deep bottom rail and heritage hardware are also available making it an ideal window for period homes.

Aluminium Flush Casement Windows

In common with the AluK 58BW ST HI, the AluK 58BW ST HI Flush Casement Window has an ultra-slim sash, which combined with a flush finish, has been developed to create a clean and contemporary appearance.

Window and door colour and finish options

Colour options

We bring increased flexibility to design, with a wide choice of low maintenance PVC-U and aluminium foiled and colour finishes.

We offer a wide choice of PVC-U foils and a state-of-the art in-house spray painting capability including smooth flat finish contemporary greys to period cream woodgrains.

Our aluminium window ranges are available in a choice of single or dual colour, marine grade and powder-coated options in any RAL colour.

Glazed or frame only supply.

With our own energy efficient sealed unit manufacturing capability, we can also supply a wide range of security and laminated IGUs as well as the complete Planitherm range from Saint Gobain. That’s frames and sealed units (if you want them!) on a single delivery.

Secured by Design casement windows UK.

We’re an accredited Secured by Design window and door manufacturer, which means we offer a full range of Secured by Design composite entrance doors and Secured by Design window options.

With our own energy efficient sealed unit manufacturing capability, we can also supply a wide range of security and laminated IGUs.

High security windows with smart technologies

Our uPVC window ranges are manufactured with advanced locking mechanisms from Avantis and the Kubu Sensor – as standard.

The Kubu sensor allows end-users to monitor the status of their window and door locks in real-time, sending a notification if it’s been left unlocked and allowing them to check if their home is secure anytime, anywhere, from the Kubu app.

Tilt-and-turn and Fully Reversible Windows

Why not take a look at our other energy efficient uPVC double-glazed and aluminium window options.

Tilt-and-Turn Windows

We also manufacture the energy efficient Profile 22 Optima uPVC Tilt-and-Turn window and the AluK 58BW HI aluminium Tilt-before-Turn window. Each is ideally suited to a wide range of commercial applications.

Fully Reversible windows

Perfectly suited to low and medium rise applications, or where accessibility may be an issue, we also manufacture the Optima Fully Reversible uPVC Window from Profile 22.

24/7 online ordering

Want to find out more about our energy efficient window and door ranges?

Emplas is your dedicated partner for premium casement windows, offering a range that combines aesthetics and functionality. Our reputation lies in delivering excellence to the trade industry, meeting unique project demands and meticulous standards.

Emplas offers cost-effective casement windows in double glazed & triple-glazed options that don’t compromise on quality. Maximise views and ventilation in all window styles and spaces with casement windows opening outward, maintaining security.

Choose AluK 58BW ST HI aluminium casement windows, available in both standard slim sightline and flush casement options. Or alternatively our uPVC casement window range is manufactured in Profile 22’s cutting-edge Optima system and is available in slim-sightline contemporary chamfered or more detailed sculptured options.

Partner with Emplas for unparalleled trade products and service.

Our casement windows are a testament to cutting-edge manufacturing processes and energy efficiency, these windows are at the forefront of sustainable building solutions.

Safety and compliance are paramount, with windows conforming to building regulations and standards. Incorporating a high security multi-point locking system that works with Kubu, our casement windows offer properties the utmost security. Protect any premises and valuable assets with this advanced feature, providing peace of mind.

These windows achieve a traditional style and feel without compromising on energy efficiency.

Become an Emplas Installer and gain access to all our great benefits plus get 15% off your first order*

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