Our team will be re-roofing over the existing (1-layer) of built up roof with a a 60-Mil, Dark gray Duro-Last, PVC membrane over a 1/2-inch HD board, one layer of 2-inch rigid ISO insulation. 

This will be done using fasteners and stress plates.
20-Year NDL roof warranty.
Existing cap metal will remain.
1805 Bellevue AVE