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IBHS Wildfire Prepared Home Base vent-mesh path

The 2025 IBHS Base standard permits a prescriptive vent-covering path using documented noncombustible, corrosion-resistant mesh with openings no larger than one-eighth inch.

This is a designation-program requirement, not an adopted-code determination or a product listing.

program · California and Oregon program applicants · Last verified 2026-08-24 · JSON (CC BY 4.0)

Published requirement text

“noncombustible, corrosion-resistant mesh”

2025 Wildfire Prepared Home Technical Standard — Insurance Institute for Business & Home Safety

Where this instrument is documented

Instrument ibhs-wildfire-prepared.

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No sourced application record joins this requirement to a place. The quoted text stands on its own; local reach is unknown.

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Machine-readable constraints

AttributeOperatorValueUnit
assemblyRole in foundation-vent–retrofit-mesh–soffit-vent
meshSizeInch lte 0.125 inch
corrosionResistant eq true
noncombustible eq true

Products with documented matching attributes

Open the Build rules that quote this requirement

ProductCategoryStatusDocumented match evidence
FireStorm EmberMesh roll vents Attribute match
4 cited fields
Wildfire Defense Mesh 75 black roll vents Attribute match
4 cited fields

Sources

IBHS Wildfire Prepared Home Base vent-mesh path. FireApproved. https://fireapproved.com/requirements/ibhs-base-vent-mesh/. Last verified 2026-08-24.