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Question regarding stair handrail-Is it possible to project the stairs' handrail attached to the wall further than 3 inches into the stairway and what should be the distance between handrail and wall?
Wiki User
∙ 14y ago
The distance between the wall and handrail gripping surface is also governed by local code with the most common requirement being 1-1/2" (38 mm) minimum. The National Fire Protection Agency (NFPA) requires that the distance between the wall and handrail be a minimum of 2-1/4" (57 mm).
The 1992 Americans With Disabilities Act Accessibility Guidelines (ADAAG) stated that there was to be an absolute dimension of 1-1/2" between a handrail and a wall. This was actually a "grab bar" dimension which was part of the 1986 ANSI A117.1. ANSI changed the notation to 1-1/2" minimum in 1990. This was not corrected in ADAAG until 2004 which now calls for a 1-1/2" (38 mm) clearance.
Codes also generally require that there be a 1-1/2" clearance between the underside of the handrail and any obstruction -- including the horizontal bracket arm. There is an allowance however for variations in the handrail size -- for every 1/2" of additional perimeter dimension over 4", 1/8" may be subtracted from the clearance requirement.
Wiki User
∙ 14y ago
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