Are Railings Required On Stairs
In other words its the height difference from the ground to the area you want to reach.
Are railings required on stairs. Railings could be constructed for outdoor structures such as desks or porch. 191029 f 1 iii A The height of the stair rail system is not less than 36 inches 91 cm and not more than 38 inches 97 cm as measured at the leading edge of the stair tread to the top surface of the top rail. Top rail may also serve as handrail if height of the system is between 36 and 38 inches.
Handrails stair rail systems and guardrail systems are provided in accordance with 191028. 34 to 38. Section R311 also refers to IRC section R50722 which defines the requirements for outdoor plastic composite deck boards stair treads guards and handrails.
The rise is the difference between the bottom of the stairs and their top edge. Stair rail system. Handrail and Stair Rail Systems If a stair has a minimum of four risers a handrail is required.
Handrails must be between 30 and 38 inches as measured from the leading edge of the stair tread. 1 a volute shown below is allowed over the lowest tread and 2 the transition from handrail to guard or at the start of a stair flight my exceed 38 inches. Stair rails on decks should be between 34 inches and 38 inches high measured vertically from the nose of the tread to the top of the rail.
Section R50722 requires that plastic composite exterior deck boards stair treads guards and handrails comply with the requirements of ASTM D7032. In commercial applications handrail is required on both sides of stairs and ramps. 6 rows Stair Railing Building Code.
The top rail of a stair rail system may serve as a handrail only when. The building code requirement for stair railings typically requires handrailings on stairs that have a total rise of three feet or more. Yes If the total rise is at least three feet most regulations will require a rail and handrail.