CPC31020 Solid Plastering Practice Questions - Certificate III In Solid Plastering (CPC31020) Exam

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Why should each successive coat in a multi-coat render system be no stronger (richer in cement) than the coat beneath it?

To save cement and reduce material cost To prevent a stronger top coat shrinking and cracking the weaker backing Because building codes ban strong top coats To make the final coat dry more slowly

Correct Answer:

To prevent a stronger top coat shrinking and cracking the weaker backing

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