According to California Residential Code (CRC), what is the minimum roof slope required for asphalt shingles in California?
Correct Answer
B) 4 inches per foot (33%)
CRC Section R905.2.2 requires asphalt shingles to have a minimum slope of 4 inches per foot (4:12 or 33%). This ensures proper water drainage and prevents water infiltration under the shingles, which is critical in California's varied climate conditions.
Why This Is the Correct Answer
CRC Section R905.2.2 requires asphalt shingles to have a minimum slope of 4 inches per foot (4:12 or 33%). This ensures proper water drainage and prevents water infiltration under the shingles, which is critical in California's varied climate conditions.
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When conducting a slump test for concrete in California, what is the standard height of the slump cone according to ASTM C143 as referenced in the CBC?
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