Doors shall be maintained self closing or shall be automatic closing by actuation of a smoke detector as provided for in section 4306 b.
Exterior door steps code.
Porch steps 48 inches wide accommodate one person easily and safely.
Summary of code requirements for residential stairs.
Defects in masonry steps and landings outdoors sketches of exterior stair design requirements questions answers about exterior stair code specifications.
Wider porch steps allow two or more people to comfortably navigate the staircase.
Code requirements for exterior doors are covered in chapter 10 of the ibc.
Minimum 36 inch clear width for stairway.
The maximum transmitted temperature end point shall not exceed 450 degrees f above ambient at the end of 30 minutes of the fire exposure specified in u b c.
While the finer details will ultimately be influenced by your local government s building regulations the international building code the international residential code and the standards set by the americans with disabilities act of 1990 maintain that exterior stairs that are a required point of egress in other words stairs that must be crossed on your way in and out of the building.
For example by allowing two steps up to a total of 15 1 2 in.
Therefore let us recap on the residential stair code requirements.
For all non egress exterior doors the 2003 code update allows a 7 3 4 in.
Building codes keep stairways safe with rules that apply to the height and depth of each step support and handrails.
Maximum 4 1 2 inch handrail projection into stairway width on either side.
Building code for steps.
The height of your front entry step called risers according to code can be no higher than 7 3 4 inches.
Any of you that have tried to open your door with a bag of groceries and have had to back down a step or two to get the door open can appreciate the wisdom in that one.
Building code enforcement personnel take stairway.
The part of the front.
This chapter provides guidelines on door height and width based on the function of the structure.
This allowance provides some design flexibility.
So this basically sums up the basic code requirements for residential stairs and their dimensions.
Entry step risers treads.