North Carolina Building Contractor License Practice Exam

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How thick is a typical terrazzo surface?

1 inch
3/4 inch
1/2 inch
1/4 inch

The correct answer is: 1/2 inch

A typical terrazzo surface has a thickness that generally ranges from 1/4 inch to 1 inch, though the most common thickness used in installations is around 1/2 inch. This dimension is significant because it allows for durable performance while also accommodating the necessary aggregates and resins that make up the terrazzo composition. The typical thickness of a 1/2 inch provides a good balance, ensuring the flooring is sturdy enough to withstand wear from foot traffic while maintaining a sleek and attractive finish. This characteristic thickness also allows for effective installation over various substrates, ensuring a solid bond and preventing issues such as cracking or chipping. Therefore, the choice of 1/2 inch reflects the industry standard for a reliable and functional terrazzo surface.