HomeMy WebLinkAboutEgress Windows HandrailsW:\wpdata\HISBLG\Guidelines '08\FinishedBasement-19.doc 7
Residential StairRequirementsResidential GuardrailsHandrailAcceptable handrailsGripping surface of handrail1-1/4” to 2-5/8”1½”1-1/4” - 2-5/8”Stairways*Guardrails shall not createa ladder effect.Handrail 34”-38” above nosing of tread.Handrail must terminate at wall or newelpost.Handrail must be continuous the full lengthof the stairs.*Structures that existed prior to the adoption ofthe 2000 IRC shall be allowed 6’6” headroom.Maximum stair riser height = 7-3/4”Minimum stair tread depth = 10”.Guardrails: Porches, balconies or raisedfloor surfaces located more than 30” abovethe floor or grade below shall have guardsnot less 36” in height.*Open sides of stairs with a total rise ofmore than 30” above the floor or gradebelow shall have guards not less than 34”in height measured vertically from thenosing of the treads.less than 4”36”** 6 FT. 8 IN. MIN HEADROOMMeasured vertically fromthe nosing of the tread.Terminate atwall or newelpost1¼”30” or MOREGUARDRAILMAX. RISE7-3/4 IN.10 IN.MIN. RUNSTAIRWAY NOTLESS THAN 36 IN.WIDE