Interpretation #8523

Published April 27, 2021

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Original Request

Code Version
2021
Code
MECHANIC
Code Description
Chapter
Section
507.2.6
Topic
Clearance required

Question

Is it the intent of section 507.2.6, using the exception provided, that the wall assembly with the gypsum wallboard or cementitious wall board contains no combustible material outside of the 18" clearance specified?

Answer Published 04/27/2021 at 10:08 AM

Yes

Commentary

Unless the materials are listed and labeled to reduce such clearance.