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IBHS Wildfire Prepared Home Plus 20-minute exterior-door path

The current IBHS Plus standard includes an exterior-door path with at least a 20-minute rating under NFPA 252.

A tested door leaf or assembly must be used within the scope of its published listing and installation instructions. This record does not infer a door-frame, glazing, or perimeter-gap result.

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

Published requirement text

“Exterior door assembly shall have a fire-resistance rating of not less than 20-minutes when tested according to NFPA 252.”

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

AttributeOperatorValue
assemblyRole eq exterior-door
fireResistanceMinutes gte 20
testStandard eq nfpa-252

Products with documented matching attributes

Open the Build rules that quote this requirement

ProductCategoryStatusDocumented match evidence
Steelcraft GRAINTECH 20-minute exterior door configuration doors Attribute match
3 cited fields

Sources

IBHS Wildfire Prepared Home Plus 20-minute exterior-door path. FireApproved. https://fireapproved.com/requirements/ibhs-plus-20-minute-exterior-door/. Last verified 2026-08-24.