The sheets should be joined thru the pitch change not simply flashed between .
Best keep searching for qualified mechanics .
The sheets should be joined thru the pitch change not simply flashed between .
Best keep searching for qualified mechanics .
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Replies
If it's true standing seam, the pans can be carried thru the transistion without a seam by a competent craftsman. We do it regularly.
http://www.quittintime.com/ View Image
the flashing is under the top piece and on top the bottom piece, that is how mine is and three hurricanes no problem my pitch is 6/12 to 2/12
Yours isn't a standing seam BB
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no but metal roof , metal roof
Pitch change flashing like you describe is entirely common on snap-lock roofs around here. My shop has shed dormers that are 6:12 below the main roof, which is 12:12. The top of the pitch change flashing tucks wayyyyyy up under the upper panels and is hemmed so that the hem is on top of the flashing. Sealant is laid on top of that hem as each upper panel is placed. The bottom of the flashing has a 1" down-leg that is notched over each rib. The whole roof is covered with 30# felt first, of course. Any water that actually got blown all the way up and over that hem would land on the felt and trickle down under the roofing. My guess is that none makes it, even though we have snotty weather all the time during the winter... hours and hours of 50MPH winds blowing rain upwards. Not something to worry about IMO,
Its gonna depend on the manufacturer what the transition flashing is like. Some use Z metal with seam tape, some use a foam piece. The flashings and trim or the most expensive and critical parts of a metal roof. They have to be installed correctly or it will leak and never stop.
We install roofs with 150 mph windload so I don't think you'll have a problem with 50.