3. Adhere to code. Older stairs might have spindles that are far enough apart to allow a child to get their head stuck. Check the local codes in your area, but in most cases the spindles should be ...

How wide should deck stairs be? Building codes require stairs to be at least 36 inches wide for egress. How many stringers for deck stairs? Stringers should not be placed more than 18-inches on ...

Before the new stair geometry becomes a legal requirement, however, the model codes must be adopted, either on a statewide basis or by individual local jurisdictions, depending on state law.