Submitted by DonHester on Sun, 12/09/2018 - 11:21.
“Building Code Of The Day” Question: Per the 2015 IRC, without using the exceptions, what is the minimum glazing area percentage and ventilation area percentage required for all habitable rooms? A) 10% glazing, 6 % ventilation
B) 8% glazing, 4 % ventilation
C) 8% glazing, 6 % ventilation
D) 6% glazing, 8 % ventilation
Answer: B) 8% glazing, 4 % ventilation 2015 IRC R303.1-
All habitable rooms shall have an aggregate glazing area of not less than 8 percent of the
floor area of such rooms. Natural ventilation shall be through windows, skylights, doors,
louvers or other approved openings to the outdoor air. The openable area to the outdoors
shall be not less than 4 percent of the floor area being ventilated.
Exceptions allow the use of artificial light and mechanical ventilation.
If you find any errors or have additional information that would expand on any code, building standards or manufacturer requirements please let me know.
NCW Home Inspections, LLC is a Licensed Washington State Home Inspection service located in Wenatchee Washington serving Chelan County, Douglas County, Kittitas County, Okanogan County and Grant County Washington and the cities of Wenatchee, Leavenworth, Cashmere, Oroville, Cle Elum, East Wenatchee, Quincy and many more…
Your Wenatchee and Chelan Professional Real Estate, Home and Structural Pest Inspection Service
Instructor- Fundamentals of Home Inspection- Bellingham Technical College