Roofing Practice Exam #2 Questions with 100%
Verified Answers UPDATED!!!
According to NRCA roofing manual: steep-slope roof systems,
what is recommended nail spacing to fasten battens to the
deck? - ANSWER 12"
According to OSHA, a toeboard shall be required along the edge
of platforms more than ______ above lower levels for a
distance sufficient to protect employees below. - ANSWER 10
feet
What is the recommenced weight for copper standing seams
roofs with widths between seams of excess of 20"? - ANSWER
20 oz
The NRCA recommends that polyvinyl chloride sheet roofing
comply with which ASTM standard? - ANSWER ASTM D 44434
Spray Polyurethane Foam (SPF) roofing systems require a
protective surfacing for all of the following reasons except: -
ANSWER provide walkways for four traffic
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Drip Edges shall be mechanically fastened at _____ on center. -
ANSWER 12"
Type I asphalt has a minimum ductility of _______ centimeters.
- ANSWER 10.0
According to roofing construction and estimating, when flashing
a vent pipe on a concrete tile over an unsealed underlayment
system extend the flange of the lead vent jack under the tile
course immediately _______ the pipe. - ANSWER above
All SBS polymer modified asphalt coated base sheets are
suitable for use as a - ANSWER base sheet in the installation of a
multiple ply polymer modified membrane system
The dew point is the temperature at which water vapor
will_______. - ANSWER condense
What is the temperature at which bitumen attains the proper
viscosity for built up membrane application called? - ANSWER
equiviscous temperature