Complete removal of the existing roof system(s) down to the substrate, followed by examination of the deck and replacement if rotted or damaged.
Fastening of the minimum three (3) layer "State of Washington" Energy Code complaint rigid insulation & 1/4" - 1/2" High Density FR rated roof board with PVC clad plates with a minimum of 8 fasteners in the field, 14 at the perimeters and 20 fasteners in the corners and cross hatched to meet the manufacturer's requirement for the Geographical location
6140 6TH AVE S