Stairs Handrail After Finish Floor Height
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To meet building code requirements the stair railing should be mounted so that the top of the handrail height is 34 to 38 in.
Stairs handrail after finish floor height. Handrail height is the height of the handrail in relation to the stairs. The top rail must be at least 42 inches in height 1910 29 f 1 ii b and the handrail must be 30 to 38 inches in height 1910 29 f 1 i as measured at the leading edge of the stair tread to the top surface of the rail. For stair rail systems installed on or after january 17 2017 the top rail and handrail must be separate. 1926 1052 c 7 when the top edge of a stair rail also serves as a handrail the height of the top edge shall be not less than 34 inches nor more than 38 inches from the upper surface of the stair rail to the surface of the tread in line with the face of the riser at the forward edge of the tread.
The four additional inches on each end allows persons using the stairs to hold the stair rail before and after they finish climbing the stairs. The way this is measured is to begin at the leading edge of the stair nosing and run an imaginary vertical line upward until it reaches the top of the railing. Cut 2 inches off the ends of a handrail at a 45. In addition to finding the studs you have to make marks at the top and bottom of the stairway to indicate the standard railing height of the rail above the stairs.
Maximum 7 3 4 inch stair riser height. Minimum 10 inch stair tread depth with nosing or minimum 11 inches with no nosing. Handrail height on the stairs should be no less than 34 inches and no greater than 38 inches. Handrail height to be placed a minimum 34 inches to 38 inches.