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

Why should finish-coat work avoid prolonged dry-troweling that brings excessive fines and water to the surface?

It can create a weak, dusty, or crazed surface skin It always increases compressive strength without limit It replaces the need for base coats It eliminates control joints

Correct Answer:

It can create a weak, dusty, or crazed surface skin

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