Before the adoption of American National Standards Institute (ANSI) #Z765, no nationwide standard existed in the United States for measuring square footage in single-family houses.
While it is a voluntary standard in most jurisdictions, adhering to a nationally recognized standard increases a practitioner's professionalism while reducing their exposure to disputes. It may be used in proposed, new, or existing single-family houses of any style or construction but is not applicable to apartment/multifamily buildings.
Order your copy of ANSI Z765 direct from the NAHB Research Center online or by calling 800-638-8556.
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