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Schools-2009 IEQc9:Enhanced Acoustical Performance

Window STC vs. OITC

If our windows have an STC of 35 but an OITC of 25 would they qualify? I don't think so, but I don't know how to interpret or relate the OITC to STC.

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Daniel Hicks
Daniel Hicks, E.I., INCE
Geiler & Associates
LEEDuser Basic Member
175 thumbs up

Thu, 10/06/2011 - 15:58

Yes, they qualify. The requirement is for STC 35 or better. There are no OITC requirements.

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