Keylite scoops Build It award for Thermal Collar

  • 20 Dec 2021

Keylite Roof Windows’ Integrated Expanding Thermal Collar has been crowned ‘Best Roofing System or Product’ at the 2021 Build It Awards.

For the past decade, the Build It Awards, in association with BuildStore, has celebrated the most innovative products, essential services, pioneering suppliers and awe-inspiring projects in the self-build industry.

Winners were announced at a gala dinner held at Hilton London Bankside, where Keylite triumphed in the ‘Best Roofing System or Product’ category.

Keylite’s patented Integrated Expanding Thermal Collar is integrated into the frame of every Keylite roof window no matter what size, style or specification. It expands to fill and fully insulate the gap around the frame of the window to help eliminate condensation and cold bridging, whilst improving air tightness, Psi Values for SAP and the overall thermal performance of the roof window.


‘Fabulous celebration’

Jim Blanthorne, Managing Director of Keylite Roof Windows, comments: “We are thrilled that our Integrated Expanding Thermal Collar has been awarded ‘Best Roofing System or Product’ at this year’s Build It Awards.

“Thank you to everyone who voted, and thanks to Build It for organising such a fabulous celebration of self-build and renovation products and projects.”

Colin Wells, Head of Technical at Keylite, adds: “Many self-builders do not install a thermal collar alongside a roof window due to the additional cost, lack of merchant stock, or simply lack of knowledge that this product exists.

“That’s why Keylite has taken responsibility for thermally insulating every one of our roof windows by offering our unique Integrated Expanding Thermal Collar as standard, at no extra cost.”

Keylite Roof Windows offer a full range of roof windows, blinds, timber loft ladders, flashings, electric operation kits and accessories and is Europe’s fastest growing roof window manufacturer.

For more information on Keylite Roof Windows and its expansive product range, visit You can download the product brochure, call 01283 200 158 or email [email protected].

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