What is the unit cost for wood shingles removal?

The unit cost for wood shingles removal is defined specifically as the cost to remove one square of wood shingles. In roofing terminology, a "square" refers to a unit of measurement that covers an area of 100 square feet. Therefore, calculating the unit cost for removal involves determining how much it costs to remove that standardized area of the specific material—in this case, wood shingles.

This unit cost is crucial for estimators and contractors because it allows them to create accurate budgets and forecasts for roofing projects. Knowing the cost per square helps them estimate the total removal cost based on the size of the roof and the type of shingles being addressed.

The other options either address different types of roofing materials, like shakes, or involve costs associated with replacement or measurements that do not pertain directly to removal, making them irrelevant for determining the specific unit cost for wood shingles removal. Thus, the focus on wood shingles in the correct answer establishes the precise scope of the question related to roofing removal costs.