I am removing my old 1 X 12 Ceader lap siding replacing the fiberglass R 11 with R15 and then installing ½" foil faced OSB for sheer requirements. I am then covering it with Hardi Board lap siding, I am also wrapping the house with Tyvec. I need to know if the Tyvec Wrap goes over the foil face OSB or between the framing and the OSB?
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