Our stylish uPVC casement windows from Liniar are energy-efficient and designed with clean, modern, and stylish sightlines that will make any property look even better. Choose from our superior range to help keep your customer’s home warm and benefit from the very highest levels of security with Yale locking systems.
Our Liniar windows are made from premium grade materials and are guaranteed not to warp, split or discolour for 10 years from the date of installation.
uPVC products are among the most popular choices for modern homes, thanks to their durability, energy efficiency, and low-maintenance nature.
Pinnacle Windows is a trusted window supplier for trade professionals across the UK.
If you would like to know more about our casement windows, then please don’t hesitate to get in touch.
Our windows comprise our multi-chambered uPVC profile, which works to trap in pockets of warm air and maintain the warmth in your home. Enjoy A+ rated standards, today.
Liniar casement windows continue to be the most popular option for homes across the UK because they offer complete adaptability.
This classic British uPVC window design features thin sightlines to let in the most light. Many options are available, including top or side hanging, arched top, and French window fire escape. Liniar casement windows have the look of conventional vertical sliders thanks to the use of imitation sash horns. You can add astragal or Georgian bars for character.
By choosing Liniar uPVC windows, you can permanently put an end to draughty windows because all of our products employ Liniar’s patented, special double-action bubble gasket, which provides a continuous seal even in the corners and keeps your windows weatherproof and leak-free.
Pinnacle Windows is a distinguished windows manufacturer in Wellingborough, known for delivering exceptional quality and craftsmanship. Our commitment to excellence is evident in every window we produce, tailored to enhance both the aesthetic and functional aspects of your home. With extensive experience in the industry, our team ensures precision and reliability in every product. We use only the finest materials, guaranteeing durability and performance. At Pinnacle Windows, we understand the importance of bespoke solutions, offering windows that not only elevate your home’s appearance but also provide long-lasting quality. Trust us to be your partner in enhancing your home with superior windows.
Standard Liniar uPVC casement windows have lead times as low as 2 weeks. Custom specifications and larger orders may require slightly longer lead times. Contact our sales team for specific project timelines.
Pricing varies based on size, configuration, colour, and glass options. Request a free quote via our website or WhatsApp, and our team will provide a quote tailored to your specific requirements.
Our Liniar casement windows offer A+ energy ratings, multi-chambered uPVC profiles with u-values as low as 0.8, Yale locking systems for superior security, and a 10-year guarantee. They’re British-made, thermally efficient, cost-effective, and require minimal maintenance. The patented double-action bubble gasket ensures weatherproofing.
We offer top-hung, side-hung, and arched top configurations. You can add astragal or Georgian bars for character, choose from our extensive colour range, and select from various glass options. French window fire escape options are also available.