Core TradesCâu 201 / 700
Standard three-tab asphalt shingles are typically installed with a common weather exposure of about:
a.3 inches
b.5 inches
c.8 inches
d.12 inches
Giải thích
Standard three-tab shingles are usually installed at about a 5-inch exposure so each course overlaps to shed water. 3 inches wastes material with excess overlap, and 8 or 12 inches leaves too little overlap and invites leaks.
Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A ducted residential kitchen range hood that exhausts to the outdoors is commonly required to move a MINIMUM intermittent airflow of about:
- A roof has 2,400 square feet of surface area to be covered with three-tab asphalt shingles. At 3 bundles per square (100 sq ft), how many bundles are needed before adding any waste allowance?
- Where a sloped shingle roof meets a vertical sidewall, the flashing that is woven in shingle-by-shingle to direct water onto the roof surface is called:
- Proper flashing where a masonry chimney passes through a sloped roof generally consists of:
- A roof plane rises at a 5:12 slope over a horizontal run of 15 feet. What is the vertical rise?
- For an enclosed attic without a vapor retarder or balanced venting, the net free ventilating area must generally be at least what fraction of the vented attic floor area?
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