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Tdw-ISO: Fading Factors

For years, UV light transmittance used to be thought of as the measure of a glazing material's ability to protect furnishings from fading due to sunlight exposure. Now, ISO Damage Weighted Transmittance, or Tdw-ISO, is considered the most accurate criterion for assessing potential fading damage.

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Resources. Information. Support. From engaging videos on challenging technical issues to common industry terms, learn more about one of today’s most popular building envelope products.

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    Fun Glass Facts

     

    The first insulating glass units were developed in 1945 for the Pullman Car Company in Butler, PA.

     

    A standard float tank can produce glass 24 hours/7 days a week for up to 15 years before it needs to be rebuilt.