North Carolina Building Contractor License Practice Exam

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What is the recommended thickness of a terrace wearing surface for durability?

  1. 3/8 inch

  2. 3/4 inch

  3. 1/2 inch

  4. 1 inch

The correct answer is: 1/2 inch

The recommended thickness of a terrace wearing surface for durability is 1/2 inch. This thickness provides adequate strength and resistance to cracking, wear, and environmental factors while allowing for effective drainage and flexibility in construction applications. A 1/2 inch thickness strikes a balance between being substantial enough to withstand normal foot traffic and other loads, while still being economical and manageable in terms of application and material use. This thickness is often specified in construction guidelines to ensure long-lasting performance of terrace surfaces under varying conditions, which is critical for maintaining the integrity and safety of the structure.

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