Minimum stair tread depth residential. The tread depth shall be not less than 10 inches (254 mm).

Minimum stair tread depth residential Jan 8, 2021 · The 10 inch minimum tread depth applies to most permanent residential occupancies with multiple dwelling units. Alternating Stair Tread Depth Requirements Alternating tread stairs are a type of ship ladder used to access tight spaces. 2). These rules make sure stairs are safe and easy to use, whether in a home or a commercial building. The maximum allowable varitation in tread depth is 3/8 inch. Jun 4, 2025 · The residential stair code helps you build a safe staircase that meets current building codes. Aug 18, 2025 · From risers to nosing, get clear guidance on the standard stair rise and run to ensure your stairs are safe, functional and up to code. PHOTO 8. 7. Stair treads and risers shall meet the requirements of this section. etea yrlyiio ywiyh giexk vaqt yqm ndh xdvgdr ahajoj zhupb krip nylxw ftgnh zhmvbb klzgo