Furnish and install the Portals Plus Pipe Portal System at all points where pipes 8" - 12" in diameter penetrate the roof. The Pipe Portal shall include an 18 gauge galvanized roof curb model RC-___A with integral base plate, continuously welded corner seams, factory-installed wood nailer and, 1.5" 3 Lbs.. rigid fiberglass insulation. The Pipe Portal shall be furnished with a laminated, acrylic coated, ABS plastic curb cover with prepunched holes and molded sealing ring on an 14" collared opening. An EPDM (Ethylene Propylene Diene Monomer) compression molded cap model C-182 shall be utilized. All Caps shall include Portals Plus' stainless steel Snaplock Clamp. Attachment and installation of the Pipe Portal shall be done in accordance with Portals Plus' instructions and the roofing membrane manufacturer's recommendations.