the maximum riser height shall be 734 inches 196 mm . the riser shall be measured vertically between leading edges of the adjacent treads. photo 6. the greatest riser height within any flight of stairs shall not exceed the smallest by more than 38 inch 9.5 mm .
porch railing codes are designed to protect you and your family from being injured. most new front porch railings or remodeling must comply with local code requirements. inadequate spacing can lead to tragedy; protect your investment by knowing and complying with your local building codes.
stair codes: stair, railing, guardrail, handrail, landing and platform building design and build specifications: summaries of stair and railing code and design specifications quoted from model building codes. for each stair specification and code citation we include links to in-depth articles providing more details. this article series lists all major building code specifications for stairs, railings
the international residential code for one-and two-family dwellings irc and the international building code ibc address staircase railings. these are two 'model' codes and are offered as suggested guidelines for local code authorities to follow at their discretion. however, because communities often adopt and adapt the model code, it is
deck handrails, guards and general construction shall be per figure am111. figure am111 figure am112 walkways over dunes or berms in ocean hazard areas for si: 1 inch = 25.4, 1 foot = 304.8 mm.
welcome to the state building codes section of the engineering and codes division. use the menu on the left side of this page to find what you need or choose another category. 2018 north carolina building code based on the 2015 ibc 2009 ansi a117.1: 1/1/2019: proposed effective date.
handrails in north carolina must be installed a minimum of 34 inches above a stairway and a maximum of 38 inches high. guards versus handrails for safety considerations, north carolina does not allow a handrail to take the place of a guard.
residential handrails . unvented gas heaters. housing code section 4-210 g 1 a mechanical/heat allows the use of unvented natural gas heaters having oxygen depletion sensors listed for residential use by ul, etl, or other north carolina recognized testing laboratory and installed in strict accordance with the manufacturers instructions as the primary source of heat.
north carolina information. the 2015 nc existing building code based on the 2012 iebc will become effective march 1, 2015. there is a 3 year transition period where the new code or the existing nc ebc can be used.
minimum railing distance means the walking space between a handrail on one wall and an adjacent wall that has no handrail. when you have just one railing on a staircase, the inside stair-side edge of the railing must be at least 31 1/2 inches away from the wall on the other side of the staircase.
the building codes of north carolina adopt the the north carolina administrative code and policies 2018, international building code 2015 ibc 2015 , international energy conservation code 2015 iecc 2015 , international existing building code 2015 iebc 2015 , international fire code 2015 ifc 2015 , international fuel gas code 2015 ifgc 2015
now as for what is and is not in the code: north carolina's residential code requires a handrail on all stairs that have four or more risers from the floor of the structure to grade. some local codes require handrails for stairs with fewer risers - you would need to check with your local building department to obtain local amendments.
the north carolina building code provides the minimum requirements for stairs to be considered safe for use. using the proper measurements for stairs creates a safe stepping distance that feels natural to the person using the staircase. proper stair measurements ensure safety for you and your family.
stair rails installed after march 15,1991, must be not less than 36 inches 91.5 cm in height. top edges of stair rail systems used as handrails must not be more than 37 inches 94 cm high nor less than 36 inches 91.5 cm from the upper surface of the stair rail system to the surface of the tread.
north carolina building codes for deck railings are the same as any other state's. the codes are based on the international building code and the international residential building code, and deck railings and guards must meet or exceed the minimum requirements.
chapter 10 means of egress user note: see preface page iv marginal markings for chapter 10 reorganization information. handrail. a horizontal or sloping rail intended for grasp-ing by the hand for guidance or support. means of egress. a continuous and unobstructed path 192 2006 north carolina building code
a variety of gripping surfaces may be acceptable but must meet requirements for the gripping surface. flat 2x4 and 2x6 handrails are not acceptable. a circular cross section of a handrail must have an outside diameter of between 1-1/4 and 2. engineered railing systems must be tested to meet irc and ibc building codes. the tests include:
in most cases, you are required to have a railing when the floor of your porch is 30 inches or more above grade. however, 30 inches can be a long to fall; therefore some codes may require railings if your porch is 15 or 24 inches above grade. if you are concerned about safety, consider these lower distances for railings.
the modified section now reads: handrail height, measured vertically from the sloped plane adjoining the tread nosing, or finished surface of ramp slope, shall be not less than 30 inches and not more than 38 inches 965 mm . reason: to be consistent with prior editions of the code and prior construction practices in south carolina.
the international code council icc is a non-profit organization dedicated to developing model codes and standards used in the design, build and compliance process. the international codes i-codes are the widely accepted, comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe, sustainable, affordable and resilient structures.
install railings on any deck that is 30 inches or more from the surrounding surface and on at least one side of a stairway leading to the deck. the top of the handrail should be at least 34 inches but not more than 38 inches high.
the maximum riser height shall be 73/4 inches 196 mm . the riser shall be measured vertically between leading edges of the adjacent treads. the greatest riser height within any flight of stairs shall not exceed the smallest by more than 3/8 inch 9.5 mm . r tread depth.
the 2018 electrical code will become effective april 1, 2018. remember, the newly adopted 2018 nc building code, once it clears rules review, is like any other code amendment and can be used as an alternate method prior to the effective date if requested by the user. reference nc administrative code section 102.5.