Exterior stair treads must comply with all the general stair tread requirements found in IBC section 10115 Stair treads and risers. 6 rows Stair Railing Building Code.
Private stairways 30 inches 762 or less in height may have a handrail on one side only.
Stair railing requirements. Certainly the stairway that we observed in La Huerta Mexico photo above as well as the rooftop deck do not meet current safety standards. The minimum tread depth shall be 11 inches. Stair treads must sustain a weight of at least 300 pounds in.
Minimum 6-8 headroom height clearance for stairway. Treads must be at least 10 inches deep measuring from front to back. For decks and porches more than a 1 foot drop off or anything with 3 or more steps railings will need to be installed.
Handrail requirements The height of handrails is measured from the stair tread nosing or the finished surface of a ramp slope and shall be uniform not less than 34. A guardrail is typically required for stairs with 4-or-more risers or for a deck or balcony with 30 inches above grade. If you choose to place a handrail in another area such as a corridor it must meet the handrail requirements.
Minimum 36 inch clear width for stairway. A handrail is required on stairs with two or more risers and ADA ramps with a rise of 6 inches. 6 rows These requirements primarily apply to areas not accessible to the public Guard Railing.
Must have a toe board 42 inch minimum height Required if 48 inches or greater drop from walking surface top rail intermediate rail and posts Intermediate rail at about halfway up Must have a toe board. Handrails are not required on walking surfaces with running slopes less than 120. Some appraisers will also state that the stairs need vertical safety rails installed.
2 Railings and toeboards meeting the requirements of Article 16 of these safety orders shall be installed around stairwells. Uniform Building Code Stairway Railing Guardrail Specifications UBC 103336 1. Railings – The appraiser is going to require that hand rails be installed on stairwells even in the basement and entry points to the house.
Risers cannot be open but perforations or openings in riser surfaces that prohibit passage of a sphere not more than ½ inch in diameter are acceptable. The distance between the handrail on one wall and the other wall that has no handrail is known as the Minimum Railing Distance. Handrail height measured above stair tread nosings or finish surface of ramp slope shall be uniform not less than 34 and not more than 38.
Maximum 4-12 inch handrail projection into stairway width on either side. The top rail must be at least 42 inches in height 191029 f 1 ii B and the handrail must be 30 to 38 inches in height 191029 f 1 i as measured at the leading edge of the stair tread to the top surface of the rail. They are required on both sides of stairs and ramps.
The building code requirement for stair railings typically requires handrailings on stairs that have a total rise of three feet or more. Stair treads must meet requirements for floor or ground surfaces which specify that surface openings not allow passage of a sphere more than ½ inch in diameter 3023. 1 Stairways shall be al least 24 inches in width and shall be equipped with stair rails handrails treads and landings.
34 to 38. For stair rail systems installed on or after January 17 2017 the top rail and handrail must be separate. B The following requirements apply to all stairways as indicated.
Some areas require taller guardrail. 28 with a minimum of 9 clearance between the child and. One railing will give you more walking space as compared to the two railings right.
Additionally as a part of an outdoor stair walking surface exterior stair treads must also comply with IBC Section 101172 for stair walking surface for outdoor use. Stairways less than 44 inches 1118 mm in width or stairways serving one individual dwelling unit in Group R. When you just have one railing on your staircase then it must be 31 12 inches away from the wall on the other side of the stairs.
Therefore let us recap on the residential stair code requirements. Code requires guardrail in residential structures be a minimum of 36 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.
Be sure to check with your code.