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If you are a homeowner, please visit our homeowner site

01623 443200


Architects love our stylish, thermally efficient products which are BIM ready and available on the RIBA product selector. Our commercial team have years of experience in advising architects on the best materials for project specific needs, whether you’re working on residential property developments or large scale commercial designs.



Synseal is the ultimate one stop shop to keep commercial and new build projects on track


At Synseal Group we manufacture four leading PVC-U systems and the hugely popular WarmCore warm aluminium system, giving you more options to satisfy all domestic and commercial, new build and renovation projects.


From highly engineered, solid timber Masterdor Craftsman, warm aluminium WarmCore, market-leading PVC-U systems and made-to-order Evolve bi-folds and patio doors, we have the whole market covered. 


Our range includes Global and K2 roof systems, Celsius Solid Roof, a beautiful Orangery Collection, Stratus Lantern Roof  and portal frame solutions from SkySpace. All of this available to every customer, all from just one supplier. 


Global Glass is the largest British-owned sealed glass unit manufacturer in the UK. With sites in the North, South and Midlands, we are well placed to cater to every glass order, from commercial through to homeowner installations.

Accessories and add-ons

With a wide choice of door and window hardware available across our product ranges and a stock of useful add-on items including access ramps, decking and cavity closers, Synseal Group is your one-stop shop for all your project needs.


Case Studies


Case Study - Celsius Performance Glass

Celsius performance glass is the ideal solution for so many applications

Case Study - Celsius, Knowle Manor

Knowle Manor utilises a SkySpace portal frame to create a beautiful space full of natural light coming from the traditional windows and Celsius glazed roof.

Case Study - Stratus, Norfolk

This Norfolk coastal property is a great example of a conservatory transformed by the Stratus fully thermally broken lantern roof system.