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Subject Author Date
roof leak coloradotrout 10-17-2009
|--> Re: roof leak coloradotrout10-17-2009
| | `--> Re: roof leak coloradotrout10-17-2009
| |--> Re: roof leak hr(bob) hofmann...10-17-2009
| ---> Re: roof leak coloradotrout10-17-2009
| |   ---> Re: roof leak hr(bob) hofmann...10-18-2009
| |     ---> Re: roof leak coloradotrout10-22-2009
| ---> Re: roof leak coloradotrout10-23-2009
| ---> Re: roof leak coloradotrout10-27-2009
| | `--> Re: roof leak coloradotrout11-10-2009
| ---> Re: roof leak coloradotrout11-10-2009
| |--> Re: roof leak coloradotrout11-11-2009
| | `--> Re: roof leak coloradotrout11-11-2009
| ---> Re: roof leak coloradotrout11-11-2009
| |--> Re: roof leak coloradotrout11-11-2009
---> Re: roof leak Ctroofer@optonl...10-28-2009
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Posted by coloradotrout on October 17, 2009, 12:46 am


I must have a small roof leak in my 1.5 story, 2 dormer, roof.

There is a small darkening spot, about 6" in diameter, on our 1st
level bathroom. It's about right at the point where the 1.5 story
dormer meets the roofline. From that bedroom I looked out onto the
roof and see the shingles as they come up to the roof nailed at the
very top where the roof meets the dormer. The top row of shingles are
nailed and the nails are exposed. One nail in particular seems to
have broken through the shingle. I'm thinking I need to start there
and somehow seal that nail. How should I do that?

What else do I need to look for? How should the roof shingles as
they meet the dormer walls be installed? It just seems like that is a
leak waiting to happen with a wall running down to a roof where it
cannot be properly capped. Is there some sort of flashing there?

Posted by coloradotrout on October 17, 2009, 1:03 am


Here is the house:
http://www.dongardner.com/images.aspx?pid=163&fn=exteriors%5c235front1.jpg&f=

The leak seems to lead up to the roof where that single 2nd level
window on the main living area is shown in this picture.

Posted by RicodJour on October 17, 2009, 1:07 am


> I must have a small roof leak in my 1.5 story, 2 dormer, roof.
> There is a small darkening spot, about 6" in diameter, on our 1st
> level bathroom. =A0It's about right at the point where the 1.5 story
> dormer meets the roofline. =A0From that bedroom I looked out onto the
> roof and see the shingles as they come up to the roof nailed at the
> very top where the roof meets the dormer. =A0The top row of shingles are
> nailed and the nails are exposed. =A0One nail in particular seems to
> have broken through the shingle. =A0I'm thinking I need to start there
> and somehow seal that nail. =A0How should I do that?
> What else do I need to look for? =A0 How should the roof shingles as
> they meet the dormer walls be installed? =A0It just seems like that is a
> leak waiting to happen with a wall running down to a roof where it
> cannot =A0be properly capped. =A0Is there some sort of flashing there?

Flashing is an art form. Slapping some roofing cement on what you're
describing is just as likely to trap water and make the leak worse.
If you posted some pictures of your house, not the generic house, and
the specific location where you are having a problem, you'd get more
constructive responses and advice.

R

Posted by on October 17, 2009, 12:42 pm


> > I must have a small roof leak in my 1.5 story, 2 dormer, roof.
> > There is a small darkening spot, about 6" in diameter, on our 1st
> > level bathroom. =A0It's about right at the point where the 1.5 story
> > dormer meets the roofline. =A0From that bedroom I looked out onto the
> > roof and see the shingles as they come up to the roof nailed at the
> > very top where the roof meets the dormer. =A0The top row of shingles ar=
e
> > nailed and the nails are exposed. =A0One nail in particular seems to
> > have broken through the shingle. =A0I'm thinking I need to start there
> > and somehow seal that nail. =A0How should I do that?
> > What else do I need to look for? =A0 How should the roof shingles as
> > they meet the dormer walls be installed? =A0It just seems like that is =
a
> > leak waiting to happen with a wall running down to a roof where it
> > cannot =A0be properly capped. =A0Is there some sort of flashing there?
> Flashing is an art form. =A0Slapping some roofing cement on what you're
> describing is just as likely to trap water and make the leak worse.
> If you posted some pictures of your house, not the generic house, and
> the specific location where you are having a problem, you'd get more
> constructive responses and advice.
> R

Also consider any plumbing vents. Since it's over a bathroom, it
could be from a vent if there is one there. The rubber boots fail
over time. Why not climb into the attic during a rain and take a
look up there?

Posted by coloradotrout on October 17, 2009, 9:09 pm


I don't think I can very easily get to that location. I have not
tried yet, but there is not going to be much, if any, headroom in the
attic at that location.

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