United States / Build / Gutters

Gutters

Program and model No adopted WUI code we can source here. IBHS Wildfire Prepared asks for the inspection measures, and the 2024 IWUIC model says the same floor.

National floor. A ZIP opens the same question at a place where a sourced instrument exists.

Find what applies near you

Enter a ZIP before browsing the complete evidence. Matching, inherited, and place-neutral records will move first; other places and unmapped application rows will fold into expandable groups. Nothing is removed. All 3 state rule sections remain available.

The rule

Model code “Gutters and downspouts shall be constructed of noncombustible material.”

2018 IWUIC noncombustible gutters. The unamended 2018 IWUIC specifies noncombustible gutters and downspouts in all three ignition-resistant construction classes.

Products matching the model-code floor

Model code Product matches below are limited to gutters and trace to the named requirement.

No sourced gutters product in this directory yet matches the model-code floor.

Additional products matching the voluntary program

Voluntary program Product matches below are limited to gutters and trace to the named requirement.

Where this answer differs

5 sourced rows

  • Model code 2018 IWUIC noncombustible gutters — The unamended 2018 IWUIC specifies noncombustible gutters and downspouts in all three ignition-resistant construction classes.
  • Model code 2021 IWUIC noncombustible gutters — The unamended 2021 IWUIC specifies noncombustible gutters and downspouts in all three ignition-resistant construction classes.
  • Model code IWUIC noncombustible gutters — The unamended 2024 IWUIC model code specifies noncombustible gutters and downspouts in all three ignition-resistant construction classes.
  • Voluntary program IBHS Base gutter material — The 2025 IBHS Base standard calls for noncombustible gutters and downspouts where they are present.
  • Voluntary program IBHS Plus gutter cover — The 2025 IBHS Plus standard adds a noncombustible gutter-cover requirement to the Base gutter-material requirement.