Discover the code standards for residential stairs, including dimensions and safety regulations according to the 2021 International Residential Code.

2021 International Residential Code (IRC) - R311.7 Stairways. R311.7 Stairways. Where required by this code or provided, stairways shall comply with this section. 1. Stairways not within or serving a …

Aug 18, 2025 · To build safe, code-compliant staircases, the International Residential Code (IRC) provides clear stair code requirements for residential structures. These include exact rise and run …

Luckily for all concerned, modern building codes for stairs are very straightforward, and the principles for exterior and interior stairs are identical. Read on to learn more about how to keep your stairs up to …

Apr 30, 2025 · Learn the International Residential Stair Code Guide and pass your stairway inspection. Clear 2021 IRC tips on stair dimensions, handrails, and guards.

Escalators must have a clear width of at least 32 inches and meet specific provisions in the ASME A17.1 Safety Code for Elevators and Escalators.

Jul 2, 2024 · In short, the width is calculated by multiplying the occupant load served by such stairs by a factor of 0.3 inch per occupant. However, the very minimum width between handrails is 44 inches. …

bout this Publication SMA Visual Interpretation of the 2021 IRC Stairbuilding Codes. This visual guide simplifies complex technical stair code language using dr. wings and renderings that exceed the …

This article series lists all major building code specifications for stairs, railings, landings, and guardrails - information useful for constructing or inspecting indoor or outdoor stairs, railings, landings, & treads, …

Explore a searchable database of US construction and building code. Code regulations are consolidated by state and city for easier navigation.