Reroof tear off existing shakes, install 5 8 osb plywood, install deck defense underlayment and install osb 5 8 inch plywood and new oakridge owens corning composition shingles color barn wood brown use existing gutters with weather lock at valley and penetrations, use new nosing, pipe jacks, aluminum vents and paint, install new 9 inch low profile attic vents reuse wall flashings and save chimney flashing install oakridge pvc at crickets and inch decondge for a existing single family dwelling 52 square feet.