AL Masonry Practice Questions - Alabama Masonry Contractor Examination Exam

When should mortar joints be tooled for best weather resistance?

Immediately while the mortar is still soup-like When mortar is thumbprint hard—firm but still plastic enough to compress Only after 24 hours of full cure Never; joints should always be left as struck from the trowel

Correct Answer:

When mortar is thumbprint hard—firm but still plastic enough to compress

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