Core TradesCâu 44 / 700
Where an ice barrier is required, it must extend from the eave edge to a point at least how far inside the exterior wall line of the building?
a.24 inches
b.12 inches
c.6 inches
d.36 inches
Giải thích
The ice barrier must reach at least 24 inches inside the interior face of the exterior wall so that ice damming at the eave cannot force water under the roofing into the building. 12 and 6 inches are too short, and 36 inches exceeds the minimum.
Trích dẫn luật: 2025 CA Residential Code (CRC) R905.1.2 (Ice Barriers)Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- In a dwelling, makeup air must generally be provided for a kitchen exhaust hood once its rated airflow exceeds about:
- Condensate from a high-efficiency (condensing) gas furnace is mildly acidic, so before or as it is discharged to an approved drain it should be:
- A continuous membrane roof (such as built-up or single-ply) is generally required instead of shingles when the roof slope is LESS THAN about:
- For asphalt shingles installed on slopes between 2:12 and 4:12, the underlayment must be applied as:
- An enclosed attic has 1,500 square feet of area. Using the 1/150 rule with no vapor retarder, what MINIMUM net free ventilating area is required?
- A roof has 3,150 square feet of surface to cover. Including a 10 percent allowance for waste and hips, how many roofing squares of material should be ordered?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với California CSLB General Building (B) Trade Examination · Quy trình kiểm tra