Thanks. Rain is moving in so had an early morning session to at least make the system water tight.
This in one of the critical pieces to ensuring Wx tight seal. This is a weather collar that you can manipulate to create a good seal by drawing it up tight around the outer duct pipe and securing it with fasteners ...
After placing this flashing over the hole in the roof, I traced the oval shape of the base of inner flashing with a crayon...
Hook blade is best, but I muddled thru with a standard box-cutter type to remove the shingles...
Dry fit...
Roofing/flashing glue (if you look carefully, there is a subliminal message in the pattern)
[img]<<GRAEMLIN_URL>>/shocked.gif[/img] [img]<<GRAEMLIN_URL>>/smirk.gif[/img] [img]<<GRAEMLIN_URL>>/wink.gif[/img] [img]<<GRAEMLIN_URL>>/whistle.gif[/img] ....
