Roofing Quiz Question with Answer


11. In high wind areas joints should be lapped at least how many inches?

  1. 2
  2. 3
  3. 4
  4. 6

12. In high wind areas the drip edge should be nailed on center how many inches apart?

  1. 2
  2. 6
  3. 8
  4. 12

13. In high wind areas the drip edge should be nailed on centers

  1. 8 inch
  2. 10 inch
  3. 6 inch
  4. 4 inch

14. In single layer applications, all felts should be lapped

  1. Vertically in shingle fashion a minimum of 2 inches
  2. Horizontally in shingle fashion a minimum of 3 inches
  3. Vertically in shingle fashion a minimum of 4 inches
  4. Horizontally in shingle fashion a minimum of 2 inches

15. is one of the least expensive metal valley flashing materials and therefore, most often used.

  1. Aluminum
  2. Copper
  3. Zinc
  4. Tin

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

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