In this case we bolted the rail post to the riser board.
Stair rail post height.
Above the front edge of the stair nosings.
We chose 36 in.
Step 3 below shows how to find this wall mounted handrail height point at the top of the stair.
Make sure the rail post is long enough for a 34 minimum rail plus additional room for post cap mounting.
Minimum 10 inch stair tread depth with nosing or minimum 11 inches with no nosing.
Secure bottom stair rail post to stair framing with 2 1 2 bolts or equivalent.
Measure railing height from the bottom of the ground at each step to the top of where the handrail will be located.
Maximum 7 3 4 inch stair riser height.
34 875 2 125 2 6 2 1 25 40 1875 or 40 3 16 to the top of the block bottom of post cap newel post heights at the start of the stair are.
Rail and post height codes.
You may also attach the post to the stair stringer.
Handrail height on the stairs should be no less than 34 inches and no greater than 38 inches.
Maximum 12 3 vertical height rise for a flight of stairs.
This means that a handrail s height is measured from the top of the stair treads or horizontal stepping members.
Handrail graspability to be either type i or ii with a minimum 1 1 2 inch clearance from a wall.
Building stairs that comply with safety standards requires not only that you apply local code standards to constructed stair rails heights but also to constructed stair post heights.
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.
The handgrips must allow a minimum of 1 1 2 space between the handrail and the guardrail or wall.
The top of the handrail is the upper limit of this measurement even if it includes a decorative molding or gripping surface applied on top of the structural part of the rail and the vertical posts.
Handrail height is the height of the handrail in relation to the stairs.
Handrail height to be placed a minimum 34 inches to 38 inches.
Although there is an international residential code for handrail heights 34 to 38 inches local codes may require sizes that are different from those of the international code.
To meet building code requirements the stair railing should be mounted so that the top of the handrail height is 34 to 38 in.
The following example is using a box newel post and 2 6701 large traditional handrail with a finished stair handrail height of 37 and the post sitting atop the shoe.
Handrail ends must be returned and terminated at rail posts.
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.
