2029 Handrails and Guards - House Interior - Stairs -

Image Text: Cross section through railing (against wall) > wall > 1-1/2 inches > top of handrail should be easy to grip (tube or oval) > projection maximum 2-1/2 inches to 4 inches > opening 4 inches to 6 inches maximum > guardrail - 36 inches minimum > handrail required when stairs are more than 24 inches or 3 risers high (2 risers in some areas) > U.S. > handrail height (H) > stairs against walls > 30 inches to 38 inches > open stairs > 34 inches to 38 inches > Canada > 32 inches to 36 inches