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i <br /> � <br /> � HOW TO INSTALL MULE-HIDE <br /> REINFORCED HEAT-WELD MEMBRANES <br /> Basic Considerations <br /> The installation of a Mule-Hide roof involvc�s procedures and techniques that have been carefully <br /> conceived and engineered to help you provide your customers with the most reliable, lowest <br /> maintenance roofing system available. <br /> Successful roof installations do not just happen; they must be carefully planned and implemented. ,4n� <br /> understanding of the basic properties of the Mule-Hide system can help the contractor to exploit its <br /> unique strengths and to avoid unnecessary problems. Keep the following in mind as you go through <br /> this section: Mule-Hide Heat-Weld Membranes are polyester scrim-reinforced, single-ply roofing <br /> system designed primarily for mechanical and fully adhered attachment and hot-air welded seams. <br /> Mule-Hide membrane is formulated with polymers that are highly resistant to sunlight and weather, as <br /> well as many chemicals. <br /> The remainder of this section covers the proper methods of performing each step of the installation. <br /> This material was written to provide the contractor with practical, detailed information that can help <br /> ensure the proper performance of each step of the Mule-Hide installation. <br /> Preparing the Substrate <br /> The substrate under the Mule-Hide Heat-Weld Membranes must be properly prepared. The general <br /> goal of this preparation is to provide a smooth compatible surface for the insulation (when required) and <br /> the membrane. <br /> The contractor should follow good roofing practice when evaluating and preparing the surface. For <br /> example, as general practice especially on reroofing jobs, prepare the entire roof before starting the <br /> Mule-Hide installation in order to minimize contamination and ensure the integrity of the seams. By <br /> keeping in mind the general properties of the Mule-Hide Heat-Weld Membrane you can help evaluate <br /> unusual situations when they arise; but if you are in doubt as to the resolution of problems not <br /> addressed on the Mule-Hide Standard Details or Specifications, contact your Mule-Hide Technical <br /> Service Department for advice. <br /> New Roofing Installations <br /> On new roofing installations, keep the deck and insulation surface free of debris and trash. Note <br /> precisely the location of structural members, electrical conduits, and gas and water lines under the <br /> deck, as well as general deck characteristics that will affect the placement of inechanical fasteners - <br /> such as the direction and spacing of steel deck flutes. <br /> Follow good roofing practice in the loading of the roof with Mule-Hide Heat-Weld Membrane rolls. <br /> Stack carefully and store in a cool, clean, dry location. <br /> CAUTION: Keep the packaging protecting the Mule-Hide Heat-Weld Membrane intact until ready to <br /> use. <br /> Reroofing Installations <br /> To ensure a successful reroofing job, you must be aware of the conditions that led to the need for the <br /> reroof. It may be that leakage has occurred form sources other than the roof. If so, be sure that the <br /> Building Owner or Operator is aware of any such sources as early as possible, and understands that <br /> the application of a new roof may not solve all of the leakage problems. Some useful points to cover in <br /> your evaluation follow. <br /> I <br /> ( <br />