CBC 1203.2 states that 50 percent of the required ventilating area is to be provided by ventilators located in the upper portion of the space to be ventilated at least 3 feet above eave. What if the top of the attic is less than 3 feet above the eave? Is the attic exempt from the ventilation requirement?
Original Post
you would still have to provide high vents even if it's less than 3 ft above the eaves. You need to provide hi and low vents for effective attic venting.
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