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<br />-- <br /> <br /> <br />:rr-'- .. <br />" <br /> <br />'.,. p". ....-._-_. <br /> <br />;/ <br />,'. <br />ft...... t <br /> <br />__'r"'-' . <br /> <br />2.0 Product <br /> <br />A. Roof Membrane <br />1, Membrane components to be products of the system supplier, <br />2, A special formulated, permanent, thermoplastic alloy, bonded to a high <br />tenacity, low shrinkage weft inserted polyester fabric with resistance to <br />ultraviolet rays, micro-organisms and impervious to most caustic <br />chemicals, Must have a thermoplastic coating of co-polymer alloy (CPA) <br />material laminated to both sides as manufactured by Duro-Last Roofing, <br />Inc. or equivalent. <br />3, Membrane shall be factory dielectrically welded into pre-fabricated sheets <br />up to 2,500 square feet or as determined by conditions of the job, <br />4, The new roofing shall be a pre-fabricated mechanically fastened <br />installation of single-ply reinforced thermoplastic membrane, 40 mils thick. <br />5, Fire resistance of the thermoplastic roofing system shall meet UL Class A. <br />All packaging of membrane and insulation shall bear UL Class A Label. <br />6, Membrane color shall be (white), selected from manufacturer's samples, <br /> <br />B. Insulation <br />Board insulation shall be the minimum required by the system supplier for <br />the system proposed and issuance of the warranty, <br /> <br />3.0 Execution <br />'. <br />v <br /> <br />A. Substrate Inspection <br />1, Inspect all existing surfaces to receive roofing for any condition that will <br />adversely affect execution, performance, or quality of work, <br />2, Contractor shall inspect the integrity of the existing metal roof, All sharp <br />protrusions must be removed. All r~of surfaces shall be checked and <br />approved by the roofing contractor before the start of the roofing work, <br /> <br />B. Preparation and installation <br /> <br />1, Contractor shall remove the existing translucent panels (sky lights) and <br />cover the resulting void with appropriate decking material. The <br />replacement decking shall be mechanically fastened to the existing <br />structure, <br />2, Contractor shall remove existing ridge vents, construct new curbs to raise <br />the vents above the new insulation and replace new ridge vents, <br />3, Contractor shall fill flutes and install one (1) -inch ESI insulation board or <br />equivalent. The insulation board shall be mechanically fastened as per the <br />manufacturer's specifications. <br /> <br />.~_II~~~~~~~i~! <br /> <br />2 <br />