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Product categories

Browse our product categories to explore our extensive offer of window, door and conservatory systems. From the best-selling Global conservatory roof to the market-leading WarmCore warm aluminium windows and doors, our products are designed to offer exceptional performance while offering you ease of fabrication and installation to cater for every project.

Discover our know-how

Across seven UK-based manufacturing sites, our 1400+ team is a network of experts in window, door and conservatory system manufacturing. Incorporating PVC-U and aluminium systems, our very own glass division and an extensive 100+ fleet of vehicles, our mission is to deliver quality products directly to you, on time and in full every time.

Choose your sector

We work directly with a wide range of sectors to provide quality products for homeowner renovations, large scale commercial contracts and new build housing projects. We’re invested in supporting every stage of the product journey with a team of technical experts on-hand to support fabricators and installers, along with in-house support for advising on product specification requirements for architectural projects.


Latest news & announcements

Find out the latest news from across the Synseal Group including recent product launches, new appointments and company acquisitions.

New slate tile for Celsius Solid Roof

Now installers can deliver an authentic looking slate finish on Celsius Solid Roof installations with a new slate-effect tile, made from 100% recycled, lightweight plastic. Read more


New manufacturing director at Synseal Group

Synseal Group has strengthened its manufacturing division with the appointment of Robert Long as Manufacturing Director for Synseal’s PVC-U and aluminium production. Read more


Forward thinking

Synseal Group fabricator Network Upvc Systems Ltd is looking to the future by supplying products for fully functional homes built out of storage containers - in a third of the time of a typical new build. Read more


Our brands

You’ll find fabricators and installers up and down the country using our market-leading brands, including WarmCore, Masterdor, Global and Stratus. With one of the widest product ranges available, we’re certain there’s a brand collection suitable for every project. Find out more about each of our brands, discover new product ranges and download useful information including technical specifications and retail brochures.