thanks for the replies...
Oldog/Newtrick:
They had mentioned maybe making cuts/slits in the OSB sheathing - should we be looking for totally new OSB sheathing? Installed with clips?
I am a bit confused, because as I said the OSB decking looks perfectly smooth from the attic side...
Hi-
We have long horizontal runs of cupping- curling shingles... mostly on front of the house.
Install included OSB sheathing and ELK Reflective Cool Colors comp tiles. It was a full replacement for a failing wood shingle roof. We tried to be Green.
The roofing company, which is...