Thermoseal Group Limited is - Dedicated to Insulated Glass. It is the largest specialist insulated glass (IG) component manufacturer and distributor in the UK, supplying over 2,000 IG components including the largest combined sales volume of spacer bar sold into the UK market. The Group also supplies a wide range of glass manufacturing machinery produced by its expert engineering team with the skills and facilities to design and build machinery tailor-made to customer requirements. With over 37 years of experience working in the window industry, the Group has recently invested in excess of £5 million to turn its hand to large scale manufacturing of warm edge spacers (both flexible and rigid), as well as injection moulding bespoke fittings in-house. Perma Led adhesive lead strip is also manufactured in-house.

Thermoseal Group now has its own Innovation Centre dedicated to developing and testing high quality thermally efficient and IG manufacturer-focused products. It is the only UK IG component supplier with its own EN1279 testing facility.

As a member of the Glass and Glazing Federation (GGF) and Bundesverband Flachglas (BF), Thermoseal Group is dedicated to helping to improving standards and helping to shape the future of the insulated glass industry.

Dedicated UK teams provide a bespoke service from local depots nationwide. European sales are directed through the Group’s European sales team, as well as a worldwide network of sales agents.