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greentrees 04-28-2012 08:20 PM

Small Leak, something missing on roof?
4 Attachment(s)
I have a small leak and not sure if something is missing on the roof. If you look at the photos, the leak is above the front door.

I think it is leaking due to the rainwater coming off the small gutter. The water flows right onto the roof tile and in the wrong direction (upwards). So it seems water would get under the roof tile.

There is a flat metal object on the roof, but don't think this does anything related to the gutter.

It seems there should be a downspout that feeds to the lower gutter

Any advise?

Windows on Wash 04-28-2012 08:26 PM

That is a valley flashing and should be there.

I would imagine that the flow of rainwater coming off the side roof has enough velocity to wash under the tiles and that is what is creating the leak.

tinner666 04-28-2012 09:41 PM

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Often, the valley fills with dust, pollen and other debris. Sometimes, the roofers DON'T clip off the tops of the tile, slate or shingles, and the water diverts out of the valley and ontot he sheathing.
If the metal is OK, the dust, etc, can often be swept out and the leaks quit until more debris lands there.

greentrees 04-28-2012 10:24 PM

I read online about flashing. I did remove some tiles before posting and removed some debris which might have been blocking the flow of water. But I didn't check the side where the leaking was occuring.

Is it common to clean the flashing area once in a while (like every 10 years or so)? I haven't heard of such a service but seems to be something that would commonly occur.

I still think that the gutter pushing water toward the bottom of the roof tile is a problem. Do gutters usually end abruptly or is there an attachment that I should buy to have the water flow down the roof.

tinner666 04-28-2012 10:46 PM

Not a common service per se. When I get this kind of call, it'll be a repair. I'll recut tiles, move lathe stips or whatever is necessary to prevent a reoccurrance.
I like to reset the gutter so water exits away from the valley too. Sometimes, I have to replace it instead. No scientific method involved, just experience and a gut feeling, on site, or what each individual issue is causing the leak.

tinner666 04-28-2012 10:49 PM

Oh, you have two valleys there. Both will need cleaning while you're up there. No need in doing it twice.

greentrees 04-29-2012 01:37 PM

I did find a broken tile the first time I went up, but it wasn't related to the leak I was seeing. I cleaned one part of the valley. When I go up there to replace the broken tile (need to find a new one), I'll clean the other valley and see if that is causing the leak.

I'll stop by a home store and see if there is some kind of shield I can use divert the water from the gutter in the right direction.

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