Core TradesCâu 49 / 700
In a basic (non-high-wind) zone, standard asphalt shingles are typically fastened with a MINIMUM of how many nails per shingle?
a.2 nails
b.4 nails
c.5 nails
d.6 nails
Giải thích
Standard three-tab shingles normally require at least 4 fasteners per shingle in basic wind areas. Two nails is insufficient, while 5 or 6 nails are used only in high-wind zones or with specific manufacturer requirements.
Trích dẫn luật: 2025 CA Residential Code (CRC) R905.2.6 (Fasteners)Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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