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

Why should fasteners for exterior lath be corrosion-resistant?

Only for appearance on interior drywall Because exterior plaster assemblies are exposed to moisture that can corrode ordinary fasteners and cause staining or attachment failure Because codes ban all galvanized fasteners Because corrosion-resistant fasteners eliminate the WRB

Correct Answer:

Because exterior plaster assemblies are exposed to moisture that can corrode ordinary fasteners and cause staining or attachment failure

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