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  • 17.

    The existing roof should be evaluated for moisture and for adhesion to the underlying substrate. All wet roofing material must be removed prior to recover.

    • a.

      True

    • b.

      False

  • 18.

    In order for a recover system to qualify for a CertainTeed warranty, a list of criteria must be met. There are ______ requirements.

    • a.

      12

    • b.

      20

    • c.

      22

    • d.

      30

  • 19.

    When roofing over an existing system, be sure to fully adhere the base layer of the new system.

    • a.

      True

    • b.

      False

  • 20.

    Base insulation over a steel deck must be mechanically fastened through the steel. The screws must penetrate a minimum of ______

    • a.

      1/2"

    • b.

      3/4"

    • c.

      1"

    • d.

      1-1/2"

.

  • 21.

    In a warranted re-roof or overlay situation, the following is true or false regarding existing ring clamp drains should be stripped to bare metal, damaged drain components replaced, clamping rings saved for re-use, old bolts replaced with new and a minimum 30" X 30" 4lbs. sheet lead flashing installed.

    • a.

      True

    • b.

      False

  • 22.

    When applying insulation over a steel deck, the fasteners must penetrate through:

    • a.

      The rib

    • b.

      The flange

    • c.

      The flute

    • d.

      Any part of the deck

66

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