WITH 100% CORRECT ANSWERS
\.According to NRCA roofing manual: steep-slope roof systems, what is
recommended nail spacing to fasten battens to the deck? - ANSWERS-
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. - ANSWERS-10 feet
\.What is the recommenced weight for copper standing seams roofs
with widths between seams of excess of 20"? - ANSWERS-20 oz
\.The NRCA recommends that polyvinyl chloride sheet roofing comply
with which ASTM standard? - ANSWERS-ASTM D 44434
\.Spray Polyurethane Foam (SPF) roofing systems require a protective
surfacing for all of the following reasons except: - ANSWERS-provide
walkways for four traffic
, \.Drip Edges shall be mechanically fastened at _____ on center. -
ANSWERS-12"
\.Type I asphalt has a minimum ductility of _______ centimeters. -
ANSWERS-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. - ANSWERS-above
\.All SBS polymer modified asphalt coated base sheets are suitable for
use as a - ANSWERS-base sheet in the installation of a multiple ply
polymer modified membrane system
\.The dew point is the temperature at which water vapor will_______. -
ANSWERS-condense
\.What is the temperature at which bitumen attains the proper viscosity
for built up membrane application called? - ANSWERS-equiviscous
temperature
\.If wood battens are not raised to allow for drainage they should be no
longer than ________ with approximately 1/2" separation between