Therefore if a handrail is provided on one side, the clear width of the stairs shall not be less than 31 ½ inches and when handrails are provided on both sides, the clear width shall not be less than 27 inches. Prescriptive construction methods recommended meet or exceed minimum requirements of the IRC.
#STAIR RAIL CODE HEIGHT 2015 CODE#
Now when handrails are introduced they shall not project more than 4 ½ inches on either side. Based on the 2015 International Residential Code Where applicable, provisions and details contained in this document are based on the International Residential Code (IRC) bracketed text references applicable sections of the IRC.
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The minimum width for stairways shall not be less than 36 inches clear. Now let’s get into what those residential stair requirements are… MINIMUM STAIR WIDTH What is the Minimum Width of a Stair? Outdoor stair handrail code Outdoor stair handrails must comply with all the general IRC handrail requirements found in section R31178 Handrails. Note that some local jurisdiction or state require higher such as 42 in California. In this post we will be looking at the code standards related to residential stairs in accordance with the International Residential Code (IRC).įun Tip: What’s the difference between the IBC and IRC? Be sure to check out this POST.įun Tip: Looking for Commercial Stair Requirements? Be sure to check out this POST. Deck railing height should be a minimum of 36 inches. Note that when looking for commercial stair standards, one must look at the International Building Code (IBC). Several components are looked at such as stair width, headroom, riser and tread heights.
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Guards required for stairs with a 30 drop Guard height. handrail height above the step nose: 34 and 38 inches Commercial Stair Handrails: top of the a guard (42 minimum height) can also serve as handrail. When it comes to residential stair standards, the 2018 International Residential Code (IRC) establishes minimum requirements for stairs to insure a level of safety to the public. Handrail height: A handrail must be between 865mm and 1070mm (34 and 42 inches) above the nosing. In residential applications, the guard height minimum is. Are A lternating Tread Devices Code Compliant ? Prior to using any railing products, it is incumbent on designers, fabricators and installers.