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Developed specifically to meet the new UK Building Regulations Part L for windows in new and existing residential builds, Guardian Glass has introduced Guardian ClimaGuard® Neutral 1.0, a thermal insulating coated glass for double-glazed windows that has a Ug-value of 1.0 W/m2K and offers improved aesthetics with a more neutral colour and a lower reflection compared to other 1.0 U-value glass products for residential windows.

ClimaGuard Neutral 1.0 is a single product solution which can be used in its annealed form or can be heat treated for use in safety applications. This means glass processors do not need to stock two different glass products (a heat treatable version and an annealed version) to meet the demand from window makers.

Changes to the UK Building Regulations were published in December 2021 and will come into force on 15th June 2022. One of the five new Approved Documents, Part L (‘Conservation of Fuel and Power’), introduces new minimum efficiency standards for both new and replacement thermal elements, windows and doors. New build schemes will be assessed under the new SAP 10 (Standard Assessment Procedure) method. From June this year it will be mandatory for all new windows including roof windows and glazed doors, to achieve an improved maximum U-value of 1.6 W/m2K compared to 2.0 W/m2K previously. Taking into account the complete window system (frame, sealant, spacer bar, etc.), this means the notional U-value target for windows in new dwellings is now 1.2 W/m2K. This means that window makers and glass processors will now require a glass product with a Ug-value of 1.0 W/m2K to meet these new regulations.

Gary Frakes, Regional Sales Manager UK & Ireland at Guardian Glass comments: “In order to achieve a Ug-value of 1.0, Guardian Glass has taken a very different approach, believing that the glass should help bring as much natural daylight as possible into people’s homes, with clearer, less reflective view. Thanks to Guardian knowledge in coated glass innovation ClimaGuard Neutral 1.0 is more colour-neutral with a lower reflection”.

ClimaGuard Neutral 1.0 achieves 74% light transmission for a double IGU 4-16-4 panel (coating on surface #3, 90% argon fill), 14% light reflection and a solar factor of 52%. The product is available on Guardian ExtraClear® float glass as standard, on Guardian ExtraClear laminated glass and on Guardian UltraClear® low-iron float glass, offering better colour neutrality and a higher transparency for even more natural views of the outside.
www.guardianglass.com

 

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