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Austin 2024 IWUIC Zone A solid-core exterior-door path

Austin retains the 2024 IWUIC 1.75-inch solid-core wood exterior-door path in Proximity Zone A while deleting the corresponding Zone B section.

This covers the door-leaf attributes only. Glazing, frame, gaps, hardware, installation, approval, official zone, and project scope remain checks.

code · City of Austin Proximity Zone A · Last verified 2026-08-26 · JSON (CC BY 4.0)

Published requirement text

“solid-core wood not less than 1 3/4 inches thick (44 mm)”

2024 International Wildland-Urban Interface Code, Section 504.9 — International Code Council

Where this instrument is documented

Instrument iwuic-2024.

Set a location to read how this instrument lands where you are.

Place	Force	Reach	Dated	Checks open	Source
Austin	active application documented	authority area	effective 2025-07-10	5	Austin Ordinance 20250410-041

Each place page carries that place's boundary, project scope and open official checks in full; this page's JSON twin carries them per application.

Machine-readable constraints

Attribute	Operator	Value	Unit
assemblyRole	eq	exterior-door
solidCore	eq	true
thicknessIn	gte	1.75	inch

Sources

2024 International Wildland-Urban Interface Code, Section 504.9 — International Code Council (official). Accessed 2026-08-26.

Austin 2024 IWUIC Zone A solid-core exterior-door path. FireApproved. https://fireapproved.com/requirements/iwuic-2024-austin-zone-a-solid-core-exterior-door/. Last verified 2026-08-26.