IBC 2021 Section 1609 — Wind Loads

Updated Apr 17, 2026

Basic wind speed maps and load calculation method. ASCE 7-16 is referenced standard. Risk categories I–IV drive the base wind speed. Wind-borne debris regions require impact-rated glazing.

Flagstaff and Reno require cold-region considerations (snow + wind combo). Phoenix and Tucson use Risk Category II default wind speed 115 mph.

category

Structural — Wind

code body

IBC

code year

2021

adopted by

["az-phx","az-tuc","fl-mia"]

source url

https://codes.iccsafe.org/content/IBC2021P1/chapter-16-structural-design

SOURCES

🔗https://codes.iccsafe.org/content/IBC2021P1/chapter-16-struc...

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