WITH 100% CORRECT ANSWERS
\.Which statement most accurately describes structural metal panel
roofing assemblies? - ANSWERS-Underlayment is recommended if a
structural metal panel is used directly over a solid substrate.
\.What is the purpose of metallic coating on steel that is used in a low
slope roofing system? - ANSWERS-To decrease the rate of oxidation
\.How does oil canning occur in a low slope metal panel roofing system?
- ANSWERS-From distortions in the flatness of the metal
\.Which of the following is most accurate about SPF? - ANSWERS-SPF
should be applied when the deck temperature is 50 degrees or higher.
\.What damage can result if SPF roof systems are applied in misty or
foggy conditions? - ANSWERS-Carbon dioxide can cause blistering of the
roof membrane
, \.Which of these most accurately describes waterproofing? - ANSWERS-
Treating s surface to prevent passage of water under hydrostatic
pressure.
\.Which of these most accurately describes damp proofing methods? -
ANSWERS-It is designed to resist capillary action
\.Which of these is most commonly used for copings in a low slope
metal roofing system? - ANSWERS-Metal caps to weatherproof the top
of a parapet wall.
\.Which statement most accurately describes flashings? - ANSWERS-
Dissimilar metals that can have a galvanic reaction should be isolated.
\.What kind of flashing would you use on the downslope of a chimney
where you're installing a tile roof? - ANSWERS-Apron flashing
\.Which of these is NOT among common methods for joining gutter
sections to metal roofing systems? - ANSWERS-Sections butted together
and sealed with cold adhesive
\.Which statement most accurately describes a temporary roof most
commonly used in a low slope roofing system? - ANSWERS-A temporary