leaking porch flashing - siding is 4'x8' sheets

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Old 04-01-13, 03:14 AM
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leaking porch flashing - siding is 4'x8' sheets

We have a porch shingle roof with flashing that's nailed and stapled to 4'x8' sheet siding. There's also some caulk along the edge but water still gets in between the flashing and the sheet siding. The shingle is leaky in places so we'd like to put a metal roof on the porch, but we don't know how to solve the problem with the flashing leaking where it runs up against the sheet siding. We know we'll have to take the old flashing off but we don't know what to replace it with that will be water tight.

We'd appreciate suggestions, short of installing vinyl siding over the sheet siding. Thanks!
 
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Old 04-01-13, 03:39 AM
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Any way you could provide pictures of what you are seeing? http://www.doityourself.com/forum/el...your-post.html
 
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Old 04-03-13, 02:23 AM
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photo

Hello, here is a photo of the flashing. Taken after dark -- sorry. I work long hours.
 
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Old 04-03-13, 03:36 AM
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Ah, much better. The inherent problem is that flashing goes under siding and over shingles, so it is installed incorrectly. It is doubtful you will get a remedy unless the siding is removed and flashed properly. If you plan on having a metal roof installed, you will need to check the integrity of the decking under this area.

I don't install metal roofs (I don't even get on roofs any more), but since your installer will have a metal brake on site, they can cut a shallow groove in the siding and brake the flashing to fit into the caulked groove, sealing the area between the siding and the overlap of the metal. Their metal flashing will overlap the metal roof.
 
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Old 04-04-13, 03:10 AM
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thanks!

Thanks very much for your suggestions, Chandler. Greatly appreciated. You are very kind.
 
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Old 04-29-13, 07:21 AM
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#1 That type siding never should be any closer then 6" of the roof.
That flashing never should have been attached to the face of the siding.
Trying to use steel staples was a sure way to have it fail.
Here's some pictures of how it should have been done.
http://flash.org/resources/files/HGCC_Fact23.pdf
 
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