Source of leaking?

sparkezeOctober 30, 2009

We had our roof replaced on August (tear-off) and about 6 weeks ago we noticed a couple of small leaks on the wall where the addition with a flat rubber roof meets the rest of the house. A guy from the roofing company came out and looked around, but ended up sealing a couple pin holes on the rubber roof, which they did not replace back in August. So after the next bout of rain it leaked again, but more than it had before. He came out again and patched up a couple more pinholes on the rubber roof. Then the last time he came out it had leaked much more so he said it couldn't be from pinholes on the rubber roof because there was too much water for that and now there's a growing wet spot on the ceiling a few inches from the wall as well. He sealed some flashing that runs along the back dormer because it wasn't laying flat enough with asphalt and colored it to match the roof shingles. Well it's raining hard tonight and the water is seeping through yet again! It's dripping down the addition side of the wall where there is wood paneling and the ceiling wet spot is getting even larger, now it's probably 2 ft in diameter.

If you've made it through my long saga this far, why would the leaking be coming down the addition side of the wall and the ceiling in the addition be getting wet when the rubber roof above the addition seems fine? Where could the water be coming in?? Is there any potential danger, like electrical, from the water that we should be careful about?

I don't have a good picture of the roof but I've attached one from a couple years ago before we had our roof done just to illustrate where I'm talking about. If anyone has suggestions or pointers I would really appreciate it! We're going to be calling the roofer again in the morning.

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sierraeast

Water travels. It sounds like it could be an improperly flashed wall to roof connect. Patching pin holes is almost never a solution or fix and when it does work, it's typically only temporary. The flashings installs should be inspected in the suspected areas which means pulling back some of the existing in order to get in there to get a look.
This should all be done by a reputable roofer with experience.

    Bookmark   October 31, 2009 at 10:26AM
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energy_rater_la

you should go into the attic and look for where the
water starts running down the roof rafters.
then go on the roof...look to see if the area above the flat roof has any nails standing proud, if the shingles
are sealed at flat roof where it joins the regular roof
and flashing.

this is a new roof, make them do a repair not just a bandaid fix. put a hose on the roof if necessary to find
leak.

and, while you are in the attic..look for any electrical
near leakage areas. potentially yes it could be an issue
electricity and water don't mix.

best of luck

    Bookmark   October 31, 2009 at 4:42PM
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newhomeowner-2009

I had a similar problem and brought in another roofer. If there was a fundamental flaw, as there was in my case, you can't expect the old roofer to suddenly become competent and redo it.

    Bookmark   November 1, 2009 at 12:24PM
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