The code requires an elevation change of up to a foot be accomplished by a sloped surface but makes some exceptions. However, generally a sindle step isn't allowed or at least is discouraged. On a commercial building, built to the IBC, a single step would require a hand rail. That said, it's important to count the number of risers accurately.Īccordingly, does one step require a handrail? Handrail height of alternating tread devices and ship’s ladders, measured above tread nosings, shall be uniform, not less than 30 inches (762 mm) and not more than 34.
#TOP OF STAIR RAIL CODE INSTALL#
Secondly, do three steps require a handrail? Editorial Adviser Mike Guertin replies: Since your stairs will have only three risers, you don't need to install a handrail. Handrail height, measured above stair tread nosings, or finish surface of ramp slope, shall be uniform, not less than 34 inches (864 mm) and not more than 38 inches (965 mm). It's with interior they mention any stairway with more than 3 risers (2 steps) will require a handrail. The exterior stair railing code requirements has mostly the same code as indoor stairs (same riser and tread dimensions etc.) except that the composite materials used for deck stairs must conforms to ASTM standards. Handrails required for flights of stairways by Section 1011.11 shall comply with Sections 1014.2 through 1014.9. Handrails serving flights of stairways, ramps, stepped aisles and ramped aisles shall be adequate in strength and attachment in accordance with Section 1607.8. horizontal top extension in same direction as stair flight (§505.10.2). Inside handrails on switchback or dogleg stairs must be continuous.
#TOP OF STAIR RAIL CODE FULL#
R631 Cable Rail - Top Guard Rail With Standard. Handrails are required on both sides of stairs and must be continuous within the full length of each stair flight. To get to your question - the code doesn't refer to the exterior in steps but states from finished floor or platform to finished grade in excess of 30" requires a guard rail. The top of the handrail is measured from the stair nosing, as if you drew a diagonal line across the top of the stairs. SECTION 1014 HANDRAILS 1014.1 Where required. Pacific Stair Corporations 600 Series Cable Rail offers a custom appeal with high quality protection. On stairs, once there is a 30" drop, a handrail will be required and placed between 34" and 38" above the nosing.Īccordingly, how many steps can you have before you need a handrail? In commercial applications, the IBC requires a minimum height of 42". On a stair, since handrail must be between 34" and 38", the handrail and the top of the guard can be one and the same.
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