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Unit 3: Valley Dry in with Ice & Water
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VALLEY DRY-IN
Question #1:
What happens if you do not get your ice and water “tight” in the valley?
It looks sloppy
May trap leaves and debris
Could cause a Potential leak in the future, and makes it harder to install metal
Nothing will happen
Question #2:
How do you get your ice and water to lay down flat when wrapping the ridge at the top of a valley?
Weigh it down with shingles
Apply extra mastic
Use heat
45° relief cut
Question #3:
How do you check that all your relief cuts in the dry-in are legit and won’t leak?
Pour water over them and wait
Check visually from the ridge
Use your pointer finger to see if it can go inside the corners
Run a nail along the seam
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