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Old 07-27-2009, 08:22 PM   #1
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Installing copper gutter to replace some concrete tiles


Hi All,

I am trying to make the best out of a rotten situation. I am trying to stay away from the high cost of roof repairs due to a multiyear water leak behind a stucco wall that was not installed correctly.
The original design was that the lower elevated roof terminated into a wall that is of a higher elevation. Where the roof meets the wall a cricket was installed that drains to either side. This cricket was just felt paper and tar and below the finished tile at a width of about 12"(an extension of the underlayment). As the cricket approaches the corner of the stucco wall the tiles of the lower elevation butt up against the wall. In this design the water that flows off the cricket actually tries to under the tiles and out the draining hole at the eve. I have to cut a couple of tiles out to fix the damage. (See red area in image).
My plan is to install a copper gutter to replace a couple of tiles that had to be removed (see red area in image). The copper flashing will flat rectangle gutter that will provide flashing on the stucco wall and against the cut tile.
Here is my problem... I do not what the copper gutter to go all the way around the corner only about 6"-12" into the cricket just for visual esthetics and there is no reason to run copper where it will never be seen.
Questions1:
How do I join or make the transition from copper to the existing felt/tar cricket?

any advise would be appreciated.

John
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Old 07-27-2009, 10:49 PM   #2
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Installing copper gutter to replace some concrete tiles


Rather than tying in like you seem to be suggesting, you really need to have that entire sheet metal cricket and the downward roof-to-wall pan flashing made up entirely new.

The side-wall pan flashing need to go farther under the tiles past where they were removed and have a side hem bent up to deflect the water run-off drom leaping over the edge. That hem needs to be under the high profile of the tile.

This is really a sheet metal artisans type of work to get done, rather than a typical DIY project.

Ed

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Old 07-28-2009, 07:28 AM   #3
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Installing copper gutter to replace some concrete tiles


Hi and thanks for the feedback.

The problem with replacing the current felt/tar cricket is there is no room to work under the eve of the upper elevated roof. There might be at best 3" from concrete tiles to facia and less at cricket apex. So to add copper throughout the whole cricket the upper roof would have to be torn off and replaced which is way to expensive. So my only option is to somehow splice the two either by nailing the copper down and sealing with something or cut a slit in the felt and pushing the copper edge under the felt and then sealing. Even though this may not be the optimal design I have to work with what I am dealt.
On the tile side I do plan on putting the copper under the existing tiles with a edge bent up.

Thanks for the input. Greatly appreciated.
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