Residential · IRC 2021 §R309.1 / §R309.2

Garage and Carport Floor Slope

Garage and carport floors: noncombustible surface, with the vehicle parking area sloped to a drain or toward the main vehicle entry doorway. Asphalt allowed at carport grade.. Referenced to IRC 2021 §R309.1 / §R309.2.

The rest of Garage and Carport Floor Slope is for members

You're reading the opening of Garage and Carport Floor Slope. Members see the complete text, every cross-reference and the tools on this page — free for 14 days, no card required.

  • The annotated detail diagram with dimension callouts
  • The code section it illustrates, in full
  • Related diagrams in the same category
  • Download and insert into a project
Unlock Garage and Carport Floor Slope — free for 14 daysSign in →

No card required. After the 14-day trial, plans start at $29/mo.

Our previews are real data — live counts, no placeholders. We publish our error log →