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Roof to Sidewall Flashing

8K views 1 reply 2 participants last post by  AaronB 
#1 ·
I have an existing asphalt shingle roof that meets a sidewall. Unfortunately, the underlayment does not lap up the wall and there is no step flashing. And of course, the siding and sheathing has now rotted. I am in the process of replacing the siding and sheathing on the sidewall, but am wondering the best way to flash this. I can easily add step flashing to the existing roof, but I can't think of an easy way to add underlayment without removing shingles. Any ideas?

Thanks!
 
#2 ·
Remove the shingles and check the roof deck. Cances are the roof deck is also water damaged. Replace as necessary.
 
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