California Residential Inspector Practice Exam

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Prepare for the California Residential Inspector Exam. Utilize interactive quizzes and detailed explanations to master the required knowledge. Enhance your test-taking skills and boost your confidence for achieving high scores!

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How many days must pass before applying the finishing coat in a three-coat cement plaster application?

3 days
5 days
7 days
10 days

The correct answer is: 7 days

In a three-coat cement plaster application, a waiting period of seven days is generally required before applying the finishing coat. This time frame is crucial because it allows the underlying coats to cure adequately, ensuring that they can properly support the final finish. The curing process is essential for the development of strength and durability in the plaster, as well as to prevent issues such as cracking or delamination that can occur if the finishing coat is applied too soon. If the finishing coat is applied prematurely, any residual moisture in the underlying layers can interfere with the bond, leading to inadequate adhesion. Thus, adhering to the seven-day waiting period is a best practice to achieve a high-quality finish and longevity of the plaster application.