North Carolina Building Contractor License Practice Exam

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How many inches of parging are recommended for a masonry basement wall above the finished grade?

2 inches
4 inches
6 inches
8 inches

The correct answer is: 2 inches

When considering the appropriate amount of parging recommended for a masonry basement wall above finished grade, a measurement of 2 inches is commonly advised. This thickness is practical because it provides adequate coverage to protect the masonry from moisture and helps maintain structural integrity. Parging serves to seal the surface of the masonry, preventing water infiltration, which can lead to structural damage or deterioration over time. A thickness of 2 inches strikes a balance between sufficient coverage for protection and not being excessively thick, which might be unnecessary and could lead to complications in application or aesthetic issues. Ensuring that the parging is effective at this recommended thickness helps maintain a durable and properly functioning foundation wall in a masonry construction.