Banister Height

Provide a handrail on one or both sides.

Banister height. But they need to be in the right place at the right height and graspable. Staircases require at least one handrail. Passed by congress in 1990 the ada protects the rights of americans with disabilities. 36 minimum 42 minimum.

This means that a handrail s height is measured from the top of the stair treads or horizontal stepping members. When it comes to handrails in commercial buildings always work with an ada compliant handrail company and make sure to install the set according to ada height codes. Assuming a handrail thickness of 1 inch and a handrail height of 36 inches the height of the stair banister is 35 inches from the top of the stair step to the bottom of the handrail. If the stairs are wider than 1m.

The minimum width of the handrail above the recess shall be 1 1 4 inches 32 mm to a maximum of 2 3 4 inches 70 mm. Not specified 42 plus or minus 3 36 to 38 36 minimum 42 minimum. If the stairs are less than 1m wide. Handrails are located at a height between 34 and 38 inches 864 and 965 mm.

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. Edges shall have a minimum radius of 0 01 inches 0 25 mm. State differences an example of a state code is that of california which follows most parts of the ibc.

Sufficient vertical clearance between upper and lower handrails 9 inches 230 mm minimum should be provided to help prevent entrapment. The top of the handrail should be positioned between 900mm and 1000mm above the pitch line or floor. Handrail height on the stairs should be no less than 34 inches and no greater than 38 inches. Optimal handrail height most building codes require handrails for exterior stairs to be between 34 inches and 38 inches above the stair nosings.

Stairs should have a handrail on at least one side if they are less than 1000mm wide. 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. You should fit a handrail at a height between 900mm and 1000mm from the pitch line of the stairs or the floor for landings. Luckily the ada agrees with the icc when it comes to handrail height so you don t have to worry about one.

For stair rail systems installed on or after january 17 2017 the top rail and handrail must be separate. This is approximately 35 4 39 inches. Handrails should give firm support and allow a firm grip.