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�• <br /> � consistent clamping pressure. Insure that studs and clamping ring are in good condition. Replace <br /> parts as required, including screens. <br /> � <br /> � Metal Work <br /> Instali metalwork in a manner that prevents damage from expansion or contraction and from the wind. <br /> � Seal and water proof all metalwork in an acceptable manner. Note that metalwork other than Mule- <br /> Hide Coated Metal and Mule-Hide supplied accessories are not covered by Mule-Hide Warranty. <br /> � Standard Details - Curbs and Vent Stacks <br /> IMPORTANT: All roofing detail work must follow Mule-Hide Standard Detaiis. Any failure to complete <br /> � details to Mule-Hide specifications can stand between you and a favorable inspection - and therefore, a <br /> Warranty. Consult Mule-Hide Technical Service department if you have any questions about how to <br /> solve special roofing problems using the Mule-Hide system, or about the Mule-Hide Standard Details. <br /> � Special Problems <br /> Many roofing jobs are likely to have some special problems. This section explains how to <br /> � accommodate some of these problems quickly and effectively with the Mule-Hide Roofing System. <br /> Voids and Wrinkles in Seams - General <br /> � Unprobed, defective seams are the most common problem found by Mule-Hide inspectors. If defective <br /> seams are found by the Inspector on your job, they are likely to delay the issuance of a Mule-hide <br /> � Warranty. Therefore, it is in your best interest and good roofing practice to thoroughly check your <br /> seams to ensure they are acceptable to Mule-Hide BEFORE the final inspection occurs. <br /> � Probe all seams daily. Be sure to probe ALL new seams approximately 8 hours after completion or at <br /> the beginning of the next workday. Mark all voids and other defects for repair with a water-soluble <br /> marker. - <br /> � All seam welds must be at least 1 inch wide and free of voids. Seams that do not meet these <br /> specifications are not acceptable to Mule-Hide. <br /> � Defective seams must be repaired the same day as found. All voids and otherwise defective seams <br /> must be repaired by hot-air welding with a Mule-Hide approved hand-held hot-air welder the same day <br /> as probed. <br /> � NOTE: Seams do not deteriorate over a few days' or weeks' time when [properly] welded. When an <br /> inspector finds voids, the contractor could have found the problem with effective probing during the <br /> installation. <br /> � Repairing Voids and Wrinkles <br /> � Voids. The presence of voids generally indicates that not enough heat is being applied to the <br /> membrane, and therefore the movement of the welding machine should be slowed down. It may also <br /> be possible that you are trying to weld membrane that is dirty or wet. Follow this procedure: <br /> �- Clean the surface to be welded. Clean the surfaces of both sheets to be welded thoroughly with <br /> Fantastik or other similar general cleaner. Rinse clear and let dry. Surfaces must be cleaned until they <br /> � are white. Make a final pass over the cleaned area with a clean rag dampened with Mule-Hide <br /> Membrane Cleaner. <br /> � Wrinkles. The presence of wrinkles in seams indicates the possibility of voids and a weak seam. <br /> � <br />