uPVC Casement Windows

• Energy-Efficient Multi-Chambered Design
• Premium Double-Action Seals for Enhanced Performance
• Completely Lead-Free & Eco-Friendly
• 100% Recyclable and Made in Britain
• High-Security Yale Locking System
• Energy Ratings Up to WER A+14

CDSI supplies Liniar uPVC casement windows to trade professionals across the country. These highly adaptable, double-glazed windows are popular with both installers and homeowners. With their slim profiles, they allow maximum natural light while delivering outstanding energy efficiency.

Our cutting-edge Liniar casement windows are designed to resist warping, splitting, or fading for at least 10 years after installation, giving you long-term peace of mind.

CDSI Liniar double-glazed casement windows are not only 100% lead-free but also fully recyclable, reducing their environmental footprint and meeting both UK and EU regulations ahead of schedule.

Flexible Design Options

We offer a wide variety of Liniar uPVC casement windows, giving you flexibility with numerous configurations, such as top or side-hung designs and even arched tops. These windows can be customized to match any property and fit the unique requirements of your project.

To highlight the traditional charm of a building, mock sash horns can be added, imitating the look of vertical sliders. Customers can also choose astragal or Georgian bars for an authentic period aesthetic. Regardless of the property’s style, our double-glazed casement windows can be tailored to meet specific needs.

Our Liniar uPVC casement windows, are offered in sculptured or chamfered 70mm profiles, with 40mm triple glazing options for added insulation.

Double-glazed windows can feature either internal or external beading, while triple glazing must be internally beaded for security.

These uPVC casement windows are available in a range of colours and finishes to suit any project.

Our competitively priced windows ensure cost savings that can be passed on to your customers, making them an excellent value.