Interpretation #6861

Published December 01, 2011

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Original Request

Code Version
2007
Code
BUILDING
Code Description
Building
Chapter
1
Section
1009.3
Topic
Stair tread width

Question

Is it the intent of the code to measure stair tread width from inside of stringer to inside of stringer?

Answer Published 12/01/2011 at 9:40 AM

No. See Informal Interpretation Report Number 6435. The
section quoted does not address the width of stairs it
addresses the tread and riser dimensions.

Commentary

None.