Finish TradesCâu 250 / 700
To reduce ceiling sag when a water-based spray texture will be applied, code and industry guidance generally require which gypsum board for ceilings framed 16 inches on center?
a.1/4-inch board is fine
b.3/8-inch board is required
c.1/2-inch sag-resistant board, or 5/8-inch board
d.No board thickness matters for texture
Giải thích
For 16-inch on-center ceiling framing that will get a water-based texture, standard 1/2-inch board can sag, so either 1/2-inch sag-resistant (interior ceiling) board or 5/8-inch board is used. Thin 1/4 or 3/8 boards sag badly, and thickness definitely matters when a wet texture adds weight.
Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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