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2021 IWUIC Class 1 and 2 20-minute exterior-door path

The unamended 2021 IWUIC includes a 20-minute fire-protection-rated exterior-door path in Class 1 and Class 2 construction.

A documented rating can match this path, but the excerpt does not name the product's test method. Listing scope, frame, glazing, hardware, installation, approval, official class, project scope, and local amendments remain checks.

code · Jurisdictions adopting unamended 2021 IWUIC Chapter 5 · Last verified 2026-08-27 · JSON (CC BY 4.0)

Published requirement text

“have a fire protection rating of not less than 20 minutes”

2021 International Wildland-Urban Interface Code, Sections 504.9 and 505.9 — International Code Council

Where this instrument is documented

Instrument iwuic-2021.

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

PlaceForceReachDatedChecks openSource
Pennsylvania active application documented statewide effective 2026-01-01 4 34 Pa. Code § 403.21 Uniform Construction Code

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

AttributeOperatorValue
assemblyRole eq exterior-door
fireResistanceMinutes gte 20

Products with documented matching attributes

Open the Build rules that quote this requirement

ProductCategoryStatusDocumented match evidence
Plastpro’s fiberglass door with foam core (8150-2017:0005) doors Listed
2 cited fields
Plastpro’s fiberglass door with foam core (8150-2017:0007) doors Listed
2 cited fields
Steelcraft GRAINTECH 20-minute exterior door configuration doors Attribute match
2 cited fields

Sources

2021 IWUIC Class 1 and 2 20-minute exterior-door path. FireApproved. https://fireapproved.com/requirements/iwuic-2021-class-1-2-20-minute-exterior-door/. Last verified 2026-08-27.