Sigh one of those jobs. Good on you for helping the owner out, hope he appreciates your time and effort. Some good will definitely come of this, I'm sure the owner will refer you. No good deed goes unrewarded ever.
Your friend from Oregon here!! Snows melting, still would welcome a visit from you guys to assist with trying to figure out what my roof needs. Ultimately, it needs a better pitch. Plz help bro!
Definitely remove a length of siding install flashing - )membrane with adhesive Across field. Regarding treated lumber Posts. It’s probably vibrating during use an expansion. Treat lumber an install pitch pocket adhesive filled- membrane flash with termination/clamping-ring. Maybe :)