Kittitas County, Washington / Decking

Decking in Kittitas County

Local adoption Kittitas County adopted kcc 14 12 20 10. This is the rule.

For Kittitas County decking, the requirement for Kittitas County decking is Kittitas IR1–IR2 noncombustible deck. On Kittitas County decking, it is shown as adopted. Read the Kittitas County decking rule, then compare 2 matched Kittitas County decking products.

Before Kittitas County decking work begins, review Kittitas County decking project checks. Those Kittitas County decking checks flag scope still to confirm. The Kittitas County decking links keep the rule and product list together.

The rule

Adopted “Approved noncombustible materials.”

Kittitas IR1–IR2 noncombustible deck. Kittitas County Code 20.10 prints approved noncombustible material as one path for attached unenclosed accessory structures and projections such as decks in IR1 and IR2.

Products matching Kittitas County’s adopted requirements

Adopted Product matches below are limited to decking and trace to the named requirement.

Additional products matching the model-code floor

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

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

Additional products matching the voluntary program

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

Open checks for this answer

These checks stay open because the sourced instrument leaves them to the official record, not because this page skipped them:

  • Whether the instrument is in force for this project's date.
  • Whether the fire-department boundary includes the parcel.
  • The official boundary that would put a parcel inside the application.
  • Confirmation from the building official for this project.
  • The official hazard class for the lot.
  • The official hazard or WUI map for the lot.
  • Whether this project type is in scope of the instrument.
1 requirement row has no matched product in the directory
  • decking: kcc-20-10-ir1-ir2-noncombustible-appendage

Every sourced row for this part of the house

  • Adopted Kittitas IR1–IR2 noncombustible deck — Kittitas County Code 20.10 prints approved noncombustible material as one path for attached unenclosed accessory structures and projections such as decks in IR1 and IR2.
  • Adopted Kittitas IR1–IR2 one-hour deck — Kittitas County Code 20.10 prints one-hour fire-resistance-rated construction as one path for attached unenclosed accessory structures and projections such as decks in IR1 and IR2.
  • Model code 2018 IWUIC Class 1–2 noncombustible deck — The unamended 2018 IWUIC includes approved noncombustible materials as one path for attached unenclosed accessory structures and projections such as decks.
  • Model code 2021 IWUIC Class 1–2 noncombustible deck — The unamended 2021 IWUIC includes approved noncombustible materials as one path for attached unenclosed accessory structures and projections such as decks.
  • Model code IWUIC Class 1–2 noncombustible deck — The unamended 2024 IWUIC model code includes approved noncombustible materials as one path for attached unenclosed accessory structures and projections such as decks.
  • Voluntary program IBHS Base under-deck mesh — The 2025 IBHS Base standard specifies perimeter enclosure mesh for decks whose walking surface is four feet or less above ground.
  • Voluntary program IBHS Plus solid deck surface — The current IBHS Plus retrofit path specifies a solid noncombustible deck walking surface with no gaps.