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Article | REF: C3600 V1

Curtain walls - Definitions - Terminology - Product standards and DTU (unified technical documents)

Author: Moïse RIOTTEAU

Publication date: August 10, 2009, Review date: March 4, 2015

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3. Quality brands

  • CEKAL

    The Cekal association has developed a certification system (generally required in France). A marking is then applied to each product, on the spacer or on the glass (by ink in a corner). The marking includes :

    • the commercial name of the product ;

    • the manufacturing semester ;

    • Plant no. ;

    • an indication of suitability for use ;

    • certified performance, i.e. :

    • TR1 (Ug = 1.9) to TR10 (Ug = 1) for glazing with guaranteed thermal performance,

    • AR1 (25 to 27 dB) to AR6 (37 dB and +) to define guaranteed acoustic performance,

    • S to define safety performance: Sb (risk...

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