A low-slope built-up roof is being checked against the IBC roof-covering slope table. What minimum slope is used for built-up roofs?
Correct Answer
D) 1/4 unit vertical in 12 units horizontal
IBC low-slope roof-covering provisions use a 1/4:12 minimum slope for built-up roofs. Other choices are too flat for the listed minimum or belong to steeper roof coverings.
Why This Is the Correct Answer
IBC low-slope roof-covering provisions use a 1/4:12 minimum slope for built-up roofs. Other choices are too flat for the listed minimum or belong to steeper roof coverings.
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