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

Gypsum lath (rock lath) historically served what purpose?

An interior plaster base of gypsum board units designed to receive gypsum plaster The primary exterior stucco weather barrier A structural floor deck A replacement for portland cement in all mixes

Correct Answer:

An interior plaster base of gypsum board units designed to receive gypsum plaster

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