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Posted by david ashworth on November 18, 2006, 11:32 pm
take the flashing and a piece of chalk on the roof, as well as a sawzall.
trace the inside of the ring with the chalk onto the roof shingles. remember
to keep it centered in between the rafters. This can be done by drilling a
probe hole from inside(center flashing on it). Cut thru the roofing shingles
and plywood about 1/2" outside the diameter of the chalk line. Next remove
the roofing nails in the area , at least as large as the flashing.Take the
flashing and apply a 50 year silicone(geocell) to the back side generously.
Slide the flashing into place, keep in mind the top half of the flashing
should be covered by shingles and the flashing should cover the bottom half
of shingles. Trim the shingles with snips to the configuration of the
flashing. Re drive all roofing nails into areas where removed. Silicone
connection of flange and roofing shingles.
> Help please , I need installation info on going through my roof with
> wood bunring stove piping . I have all the parts but do'nt have the
> knowledge of installing it . I have cathedral ceilings with no
> insulation , the roof is just a shell with the shingles on it . I need
> to know what to do about cutting the hole in the roof and installing
> the flashing. Thank U
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