Specifications include, but are not limited to: Remove the existing shingle roof on the entire building. Re-nail any loose boarding. Any rotted or deteriorated sheathing will be replaced. Install 8” copper drip edge along the eaves of the roof. Install GAF Weatherwatch ice and water shield, or equivalent on the bottom six (6) feet of the roof, in the valleys and around all penetrations. Install GAF Deck Armor breathable premium underlayment or equivalent over the remainder of the roof. Install GAF ProStart starter strips or equivalent along the eaves and rakes of the roof. Install GAF Timberline Ultra HD lifetime architectural style shingles or equivalent with lifetime warranty. Color to be determined. All shingles to be storm nailed with hot dipped galvanized nails Vent pipes to receive new lifetime ultimate plumbing flashings or equivalent. Install GAF Cobra ridge vent or equivalent (ridge to be cut open as needed). Install GAF Timbertex premium hip and ridge cap shingles or equivalent All roofing related rubbish to be removed on the premises. Contractor will obtain Building/roofing permit Workmanship to be warrantied for twenty years. Remove twenty one existing skylights on the building.