Sheathing over sheathing?

I am renovating a heated garage built in 1974. I am in zone 5.  It has texture 111 as the sheathing that was painted in the 90’s and is peeling… I am renovating a heated garage built in 1974. I am in zone 5.  It has texture 111 as the sheathing that was painted in the 90’s and is peeling…Read MoreGreenBuildingAdvisor