Roofing Multiple Choice Questions and Answers for Practice

16. Jimmy Joe installed the insulation using dead-level asphalt. Jimmy Joe is going to apply an EPDM roof membrane system. Jimmy Joe should

1. Install a slip sheet between the membrane and the incompatible substrate
2. Know that is not a recommended roofing application
3. Never mix EPDM systems with any type of asphalt application
4. Insure the dead-level asphalt is completely dry before installing the EPDM roof membrane system

17. Jimmy Joe is trimming the upper corner of shingles along the valley centerline at a 45 degree angle. The process of trimming the shingles is known as

1. Trimming the shingles
2. Dubbing
3. Cropping
4. Serration

18. Leaks normally occur around counterflashing during blowing rain because?

1. There is not enough asphalt sealer at the joint
2. The counterflashing doesnt lap far enough over the base flashing
3. The shingles are not dubbed in cement
4. The nails do not penetrate the substrate far enough

19. Lightweight insulated concrete roof decks must have a minimum thickness of inches.

1. 1
2. 1
3. 2
4. 3

20. Lightweight insulates concrete decks must have a minimum compressive strength of pounds per square inch.

1. 50-75
2. 75-100
3. 100-125
4. 125-500

21. Mechanical fasteners should penetrate concrete decks at least

1. 1
2. 2
3. 3
4. 4

22. Mechanical fastening of the membrane installed over treated wood nailers should be

1. 24 inches on center
2. 16 inches on center
3. 112 inches on center
4. 8 inches on center

23. Mechanically fastened EPDM systems must penetrate how far into concrete decks?

1. 1 foot
2. 6 inches
3. 1 inch
4. 3/4 inch

24. Mineral granules applied over mastic as roof surfacing should be deposited at the rate of pounds per square.

1. 40 to 50
2. 50
3. 50 to 60
4. 60

25. Mineral surfaced roll roofing should be installed when the temperature is above how many degrees?

1. 40
2. 45
3. 50
4. 60

26. Mission tile weighs approximately how many pounds per square?

1. 800
2. 900
3. 1000
4. 1300

27. Most leaks occur around vents in about every type of roof, usually because of

1. Inadequate shingling around a vent
2. Improper flashing
3. Vent flashing not as wide as it should be
4. All of the above

28. Nails used for roll roofing should be spaced how far apart?

1. 1 inch
2. 2 inches
3. 3 inches
4. 4 inches

29. Narrow EPDM sheets are usually

1. Less than 3 feet wide
2. 5 feet 6 inches wide
3. 4 feet 8 inches wide
4. More than 5 feet wide

30. new 3-tab roof using a 6-inch pattern will require a full shingle on the course.

1. Third
2. Fifth
3. Sixth
4. Seventh