Building Codes Articles
8 articles in this category.
ADA Ramp vs. Stairs: When Do You Need a Ramp?
The ADA's default answer favors a ramp over stairs on an accessible route. Here is when a ramp is required, the maximum slope allowed, and when stairs alone are still acceptable.
Read MoreStair Nosing Explained: What It Is and Why Code Requires It
Stair nosing is the small overhang at the front edge of a tread, and building code sets specific limits on how far it can project and how it has to be shaped.
Read MoreBasement Stairs: Code Requirements and Design Tips
Basement stairs code follows the same rules as any other interior flight, plus a few extra considerations for low ceiling height and moisture. Here is what to plan for.
Read MoreAttic Stairs: Code Requirements, Types, and Installation
Pull-down, fixed, or spiral: attic stairs code depends on whether the space counts as habitable. Here is the opening size code requires and how to pick the right stair type.
Read MoreStair Railing Height Codes: IRC vs. OSHA vs. ADA Compared
Three different codes set three overlapping handrail height ranges. Here is a side-by-side comparison so you know which number applies to your project.
ADA Stair and Handrail Requirements Explained
ADA stair rules cover handrail height, extensions, grip diameter, and nosing, even though the ADA generally prefers an accessible route that avoids stairs. Here is what applies and why.
Read MoreUnderstanding IRC Stair Codes: Rise, Run, and Headroom Requirements
A detailed breakdown of the International Residential Code (IRC) requirements for residential stairs including maximum riser height, minimum tread depth, headroom clearance, and handrail specifications.
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