Alabama Contractors License Practice Exam

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Study for the Alabama Contractors License Test. Prepare with quizzes featuring flashcards and multiple-choice questions, each supported by hints and explanations. Equip yourself for exam success!

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After the first coat of cement plaster is applied, when should the second coat be applied?

12 hours
24 hours
36 hours
48 hours

The correct answer is: 48 hours

The timing for applying the second coat of cement plaster is critical to ensure proper adhesion, workability, and overall quality of the finished surface. It is generally recommended to wait 48 hours after the first coat is applied before applying the second coat. This waiting period allows the first coat to cure adequately without being disturbed, reducing the risk of cracking or delamination. By adhering to this 48-hour timeframe, the first coat can gain enough strength, ensuring that the subsequent layer bonds effectively, leading to a more durable and long-lasting plaster finish. This approach helps in mitigating issues that can arise if the second coat is applied too soon, such as the first layer not being properly set, which could compromise the structural integrity of the plaster system. In construction practices, understanding these timing requirements is essential for achieving quality work and avoiding costly repairs later on.