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Windows – The basic system of the KELLER CLASSIC side elements
forms the AWS 70 HI series of the quality brand SCHÜCO with
a construction depth of the frame profiles of 70 mm and leaf profiles of 80 mm.

The thermal insulation comprises a new composite system for aluminium half profiles using triple-chamber insulating bars with additional insulation and special seals in the rebate regions.
This leads to very low heat loss which reduces heating energy consumption and so also lowers emissions.


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