![]() ![]() Top edges of stair rail systems used as handrails must not be more than 37 inches 94 cm high nor less than 36 inches 915 cm from the upper surface of the stair rail system to the surface of the tread. The distance between the stair nosing and top of the railing. Under the handrail the width must be at least 315 if theres one guardrail. This rule is designed to provide enough walking space up and down the staircase. The width of the stairway on top of the handrail and under the minimum headroom height must not be less than 36. Minimum 80 inches of headroom height clearance for stairway. With commercial guard railing height requiring a 42 high system Superior can. ![]() The associated railing height code states that these rails must be placed between 34 and 38 inches above the walking surface of the stairs. 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. In residential applications the guard height minimum is 36. Height over Stairs 1The clear height over stairs shall be measured vertically over the clear width of the stair from a straight line tangent to the tread and landing nosings to the lowest point above. Treads must be at least 10.ģ4 to 38 34 to 38 28 with a minimum of 9 clearance between the child and adult handrail 30 to 38 36 to 38 may also serve as guard 34 and 42 34 and 42 Guard Height. D134 An accessible route in addition to the requirement of Clause D133 shall.Īd Free Shipping and 20 Off Coupon Available. ![]() Handrails are required on both sides of a stairway. On a stair since handrail must be between 34 and 38 the handrail and the top of the guard can be one and the same. Residential Stair Codes Handrail Code Requirements Building Code For Stairs Handrail Stairs Handrail Height If youre planning to put guardrails on each side then the width must be at least 27 below the guardrail top height.īuilding code stair railing height. The top of the handrail is measured from the stair nosing as if you drew a diagonal line across the top of the stairs. ![]()
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