Have googled and searched nachi forum but have not found a detailed installation procedure, want to be able to inform my client what flashing materials need to be used and to aid the client to know which contractor to hire given these answers and of course the approx cost for repairs.
Just a side note, looks to me that the current rot could be cut out to salvage the upper part of the siding and to allow the installation of flashing materials and so on.
And yep some type of butyl rubber caulk was used in addition to fresh paint on the siding.
My understanding of the proper installation of hard board (glorified cardboard) siding is to leave a 2" gap to top of roof coverings. My real question is are both of these flashings installed:
- full length down the wall-roof intersection
- and step flashing on top of the full length flashing
- can counter flashing be somehow used (this does not seem to be an option for hardboard).
Thanks much for the help.