NM CID GS-30 Practice Questions - New Mexico CID GS-30 Plastering, Stucco And Lathing Examination Exam

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On a wood-sheathed exterior wall in a dry (B) climate zone that will receive three-coat portland cement plaster, what water-resistive barrier arrangement does the 2021 IBC require?

No barrier is required if self-furring lath is used A single layer of 4-mil polyethylene stapled over the studs Two layers of 10-minute Grade D paper installed independently, or an approved equivalent water-resistive barrier system One layer of asphalt-saturated felt placed over the metal lath

Correct Answer:

Two layers of 10-minute Grade D paper installed independently, or an approved equivalent water-resistive barrier system

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