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Austin 2024 IWUIC Zones B and C multilayered-skylight path

Austin limits the multilayered-glazing alternative in Proximity Zones B and C to skylights rather than all exterior glazing.

This record covers only skylight role and pane count. Other glazing paths, frame construction, official zone, and project scope remain checks.

code · City of Austin Proximity Zones B and C · Last verified 2026-08-26 · JSON (CC BY 4.0)

Published requirement text

“Skylights shall be tempered glass, multilayered glazed panels, glass block, or have a fire protection rating”

Austin Ordinance 20250410-041, Sections 505.8 and 506.7 — City of Austin

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
assemblyRole	eq	skylight
paneCount	gte	2

Products with documented matching attributes

Open the Build rules that quote this requirement

Product	Category	Status	Documented match evidence
VELUX FCM fixed curb-mounted skylight — standard safety glass	windows	Attribute match	2 cited fields Assembly role: skylight · Page 1, product title and description Glazing panes: 2 · Page 1, Standard Safety Glass

Sources

Austin Ordinance 20250410-041, Sections 505.8 and 506.7 — City of Austin (official). Accessed 2026-08-26.

Austin 2024 IWUIC Zones B and C multilayered-skylight path. FireApproved. https://fireapproved.com/requirements/iwuic-2024-austin-zones-b-c-multilayered-skylight/. Last verified 2026-08-26.