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Posted by DanG on November 25, 2007, 3:45 pm
If the pitches that form the valley are equal and the courses line
up fairly well, you might consider roofing through the valley. It
will mean tearing out a full shingle on each side of the valley,
but may give the best long term result. This method is sometimes
called lacing or weaving.
--
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net
> I'm a DIY roof fixer on a 50-year-old ranch-style house in
> upstate New
> York. The roof is in pretty good shape, but some of the tricky
> parts of
> the roof (chimney and a major valley) are not done according to
> the DIY
> books.
> The chimney is holding up if I keep the leaves from building
> up, but
> the valley is leaking (again). I fixed it for a few years last
> time
> with some careful tarring, but I read up enough to know that the
> valley
> should have a flashing under the tiles that is two-feet-wide, a
> foot up
> each side under the tiles. There is no such thing.
> As best as I can determine, the original roofer brought the
> two
> slopes together and put down a tar and tape 4-inch valley.
> I don't want to rip up enough tiles to do this right, at least
> until
> I am looking at reroofing in general, so what is next-best?
> 1) just keep tarring holes
> 2) run a tarring-tape down the valley and tar over it
> 3) a 4-inch metal flashing, tarred down
> 4) duct tape, tarred over
> 5) flashing tape, tarred at the edges
> 6) something else?
>
>
>
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