Roofing Construction & Estimating Questions with
Verified Answers UPDATED!!!
Slope of a roof: - ANSWER total rise / total run
rise in inches / 12 inches per foot of run
P. 10
Although not always necessary, solid roof sheathing is
recommended for installation of shakes or wood shingles when
the outside temperature is (blank) degrees F or colder. -
ANSWER 0 degrees
P. 24
Widest board recommended for solid roof sheathing: - ANSWER
1x6
P. 24
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Spacing of wood shingles when installed on non-continuous
sheathing: - ANSWER 1x4" nominal dimension and spaced on
center equal to weather exposure
P. 30
At an eave end, drip edge is installed: - ANSWER under the felt
at the eaves
P. 41
Agency that determines the fire rating for asphalt roofing: -
ANSWER underwriter's laboratory
P. 72
Approximate pounds of nails required per square of asphalt
shingles - ANSWER 2.5 lbs