QUESTIONS WITH SOLUTIONS RATED A+
✔✔Which of these is common risk from use of nail base insulation and its impact on
steep slope roof assemblies? - ✔✔Condensation or moisture accumulation.
✔✔Which of these is the most likely to need to be enhanced when installing valleys in
areas prone to regular freeze throw cycles and accumulations of ice and snow? -
✔✔Open valleys.
✔✔What is the purpose of batten systems in slate or tile roofs? - ✔✔To strengthen the
bond between tiles or slate shingles.
✔✔Which one of the following is true? - ✔✔Vapor moves from inside toward the outside
of a building in cold weather.
✔✔Where is the best place to install a built in gutter, so that if the gutter ever failed,
leakage to the interior would be very unlikely? - ✔✔At the eave.
✔✔Which of the following is true? - ✔✔High wind areas often require more roof
fasteners or adhesives.
✔✔In the case of water build up due to improper drainage, which of the following is
LEAST likely to happen? - ✔✔A sudden change in the slope and the strength of the
deck.
✔✔What is the most appropiate method of attaching wood roofing to the substrate? -
✔✔Wood roofing requires a min of 2 fasteners for shake or shingle.
✔✔At what slope does the NRCA recommend that slate roofing have a weatherproof
memebrane under the slate? - ✔✔At all slopes
✔✔What fasteners are appropriate for attaching slate to roof decks? - ✔✔Copper
slating nails
✔✔Which of these fastening does NRCA recommend when installing a slate roof? -
✔✔Just touch the nail head to the slate.
✔✔Which of these is common purpose of batten system with a tile or slate roofing
system? - ✔✔To strengthen the bond between tiles or slate.
, ✔✔Which statement is most true about the way the weather can affect the installation of
roofing systems? - ✔✔Additional fasteners and adhesives should be used when
installed in windy conditions.
✔✔Which of the following is most true about water vapor movement? - ✔✔Vapor drive
moves from the inside to outside a building in cooling climate conditions.
✔✔Which of these is not likely indicator of inadequate ventilation a steep slope roofing
system? - ✔✔Moisture on the top of surface of the deck.
✔✔What is proper low slope roof systems drainage under normal dry conditions ? -
✔✔Drainage within 48 hrs following a rain fall.
✔✔Which of these would least likely result in interior damage if a built in gutter leaks? -
✔✔A built in gutter at the eave.
✔✔Which of these would least likely result from ponding or poor roofing system
drainage ? - ✔✔Immediate changes in slope and structural integrity of the deck.
✔✔How would crickets on the upslope side of a chimney be supported? - ✔✔Wood
Framing .
✔✔Which would be most appropriate when installing downslope side chimney flashing
in an area with regular freeze throw cycles and accumulations of ice and snow? -
✔✔Apron flashings over a water and ice dam protection membrane on the down slope
side.
✔✔Which of these does the NRCA recommend fo step flashing in wood shingle roofing
system ? - ✔✔Exposure plus 3 inches in length by 8 inches wide for non standard
shingles.
✔✔Why are pitch pockets discouraged in roofing systems? - ✔✔They require more
frequent maintance.
✔✔Which of these may be used in place of a water and ice dam protection in a tile
roofing? - ✔✔A two ply membrane Underlayment with an interply asphalt roof cement
adhesive.
✔✔What size water and ice dam protection should be used a roof slope less 4:12? -
✔✔A minimum of 36 inches in from the inside exterior wall of the building.