Do Basement Stairs Have To Meet Code
I would look for width handrails guardrails riserun requirements to be met unless a variance is approved by the state in my case.
Do basement stairs have to meet code. If your steps come out so far that a 2 12 foot wall is required youre looking at some steep narrow stairs if you shorten them. There is only one way in-and-out of the basement the stairs because you do not have an exit door. I was under the impression that according to the 2012 IRC a home in Climate Zone 3 or higher that has a basement must have basement wall insulation -- in other words the basement has to be included within the homes thermal envelope.
1 Without moving a structural wall the maximum width I can achieve is 33 not 36 code. The IBC stairs would extend 71 further than the originally installed stairs. I dont think its unreasonable to meet the requirement I just want to try to optimize available space.
The nosing on treads believe it or not has a code minimum and maximum of how far. Whats the building code. If it is you may need to find a way to create a new or alternate means of egress in order to replace the stair.
Dwight Ill have to do a little more code research to determine whether its legal to build an unconditioned basement. Common examples of when its OK for you staircase not to meet building code requirements. For a basement that is used as occupied space for any reason doing laundry playroom etc in a residential home the same stair codes pertain as for stairs between any other building floors.
Of course if I do so there is no way the new staircase can meet code. The stairs feel too steep. If the replacement stairs would be required to meet IBC code adopted by all of the states they would now need to have 20 treads 11 deep for a total run of 184.
Keep in mind usability as well as code though. The top 5 steps will be to code however the bottom 5 steps get squeezed to 325 because the. There is no code requirement for a basement to have a stair.