QUESTIONS WITH VERIFIED
ANSWERS
\.The minimum crawl space ventilation required is 1 square foot per each ______
square feet of under floor space without a vapor barrier. - ANSWERS-150
\.A ventilating opening within a crawl space shall be located within __________ of
each corner of a building. - ANSWERS-3 feet
\.An access opening to a crawl space through a perimeter wall shall be a minimum
size of - ANSWERS-16" x 24"
\.According to code, wood beams, rafters, and joists may NOT be notched in the
middle - ANSWERS-1/3
\.Truss design drawings shall be provided to the ______________ and approved
prior to installation. - ANSWERS-Building official
\.Truss design drawings shall include: - ANSWERS-Span, spacing, and loads
\.When nailing 1/2" O.S.B. board to floor joists, what is the minimum nail size? -
ANSWERS-6D common
, \.When nailing 1/2" O.S.B. board to a floor joist system, what is the maximum
spacing of nails on the edge? - ANSWERS-6 inches
\.When nailing 1/2" O.S.B. board to a floor joist system, what is the maximum
spacing of nails along the joists? - ANSWERS-12 inches
\.Masonry flashing shall be located ______________________. - ANSWERS-below
the first course above grade
\.Without a vapor barrier, the roof ventilation requirement of the total net free
ventilating area shall not be less than 1 S.F. to __________ of the area to be
ventilated. - ANSWERS-150 S.F.
\.For roof ventilation, if there is a vapor barrier the net free cross ventilation is
reduced to 1 square foot to ________. - ANSWERS-300 S.F.
\.You are responsible for determining the ventilation requirements for a home
under construction. If the home has a gable roof and vapor barrier, what is the
minimum ratio of vent area to total attic space area? - ANSWERS-1:300
\.A 3,000 square foot roof requires 10 square feet of ventilation. The ventilation
will be divided equally between ridge and soffit vent. How many square feet of
soffit vent will need to be purchased? - ANSWERS-5