1.

___________IS_SPECIAL_MATERIAL_USED_TO_MAKE_SURE_THAT_NO_MOISTURE_LEAKS_IN_THOSE_AREAS_OF_A_ROOF_THAT_ARE_PARTICULARLY_VULNERABLE_TO_PENETRATION.?$

A. Dampers
B. Flashing
C. Ceramic
D. Wax
Answer» C. Ceramic


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