Flashing under ledger


Old 05-22-01, 06:44 AM
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I have my ledger installed. Now I have about a 1/2 inch gap between the bottom of the ledger and where the siding begins again from where I removed it. What should I put in there to prevent water damage?

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Old 05-22-01, 06:41 PM
Join Date: Dec 1999
Location: South Dakota
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Did you put flashing behind your ledger board, and let it hang down at least 6" below the ledger board? I bet you did not. so if this is true, use a good silicone caulk, and put in on thick and fill the gap. Use the good stuff.
Old 05-23-01, 03:59 AM
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You are correct, I only put Z flashing on top of the ledger that extends about an inch up behind the siding. Also, I put roofing felt ove the exposed header(my builder never put any house wrap over the sheathing). It will be quite a large bead of silicone(1/2 inch), is that OK?

Thanks for the reply.

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