04 - Stairways and Landings

Send us Fan MailAscend to mastery of stairway inspection with this safety-focused episode covering one of the most critical components in residential properties. Understand stairway anatomy including stringers, treads, risers, nosings, and landings—and why consistency matters for user safety. We break down current IRC standards for stairway width (36 inches minimum) and headroom height (80 inches minimum), while acknowledging that older standards may apply to existing construction. Learn the specific requirements for rectangular treads (10-inch minimum depth), winder treads, and spiral stairways, plus the critical 3⅜-inch maximum variation rule that prevents trips and falls. Explore proper riser height specifications (7¾ inches maximum) and why consistency between risers is even more important than absolute height. Discover landing requirements including minimum dimensions and the 151 vertical inch rule for intermediate landings. We delve into stairway construction methods from traditional dimensional lumber to modern engineered systems, examining stringer attachment, bearing requirements, and the five-inch minimum rule for cut stringers. This episode empowers you to evaluate stairway safety comprehensively, from handrail specifications (34-38 inches high) to guard requirements for open sides, baluster spacing, and load resistance standards. Master the art of reporting handrail and guard defects while understanding when older standards may apply.Intro This episode is brought to you by GetSync.pro This episode is hosted by Charlie Bellefontaine of Chicagoland Home InspectorsFor complete training with visual materials, practice exams, and certification support, visit nhiexamprep.com© 2025 National Home Inspector Exam Prep Podcast. All rights reserved.