A roof valley is shingled without the specified underlayment and flashing detail. What is the main concern?
Correct Answer
C) Water control.
Roof valleys concentrate drainage and need the specified flashing and underlayment for water control.
Why This Is the Correct Answer
Roof valleys concentrate drainage and need the specified flashing and underlayment for water control.
More ca-trade-b Questions
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A rated wall has unsealed pipe penetrations after rough trades are complete. What should be coordinated before cover?
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During a rough plumbing walk, a cleanout for a long horizontal waste line is shown behind a fixed cabinet panel. What is the best correction?
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