Thermoseal Group Limited is a supplier to the window industry, supplying a range of over 2,000 insulated glass (IG) components and a range of machinery used for manufacturing IG units. Its flagship products are its warm edge spacer systems - Thermobar rigid plastic spacer and Thermoflex Silicone rubber spacer. Used to separate the panes of glass in windows, these spacers are two of the highest performance spacer systems available in the worldwide market offering thermal performance values as low as 0.14W/mK and 0.135W/mK and Passive House ratings of phA+ for arctic climates. They are both made with a non-metal barrier tape to help minimise moisture and gas penetration and improve the longevity of windows. The Group also supplies a wide range of other components - anything which goes inside or on the surface of double, triple or even quadruple glazing units including sealant, desiccant, tapes, Georgian Products and many more. The DecraLed brand of Adhesive Lead, Bevels and Coloured Films is also a brand owned by Thermoseal Group. The head office is located in Birmingham, United Kingdom. Other sites are located in Wigan, Kent and Belfast.