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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.

Global Glass named Glass Company of the Year

Global Glass, the specialist IGU division of Synseal Group, has been named Glass Company of the Year at the G17 Awards. Read more


WarmCore SV achieves PAS 24:2016

Synseal Group’s slimline WarmCore window range now comes with the latest PAS 24 accreditation and is available in both bar length and fully manufactured alongside the wider WarmCore range. Read more


Spectacular K2 roof wins installation competition

The Build Directory based in the North East has become the fourth winner of Synseal Group’s monthly installation competition which recognises transformative installations shared on social media. 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.