AL Lath Plaster Practice Questions - Alabama Lath And Plaster Contractor Examination Exam

What is the main purpose of scoring or scratching the first coat of cement plaster over lath?

To create a decorative exposed texture that remains as the finish To provide mechanical key for the brown coat To reduce the need for curing To embed control joints into the scratch coat only

Correct Answer:

To provide mechanical key for the brown coat

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