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This help desk is a free resource intended for discussion purposes only. Neither BOMA, its chapters, affiliates, or Extreme Measures Inc.® are responsible for the information, comments or opinions expressed herein. For complete information, refer to the official publications of the standards themselves.

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Measuring demising walls

Safiya Hodari
JDavis Architects
August 6, 2020

Are demising walls (between common and common, common and usable, usable and usable) all measured to the centerline?

David Fingret
Extreme Measures Inc.
August 10, 2020

HI Safiya,

A wall separating two areas that share the same space classification on either side would almost always be measured to the midpoint. However, when a wall separates two different space classifications, the measurement might not be to the midpoint. It's depends on what measuring methodology or standard is used.


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