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Temporary Sealing of a Penetration <br /> From time to time, at the end of a workday or before a storm breaks, it may be necessary to seal <br /> penetrations temporarily. Follow this procedure: <br /> 1. DO NOT make finished cuts at this time:-A surplus of inembrane will ensure that the next steps do <br /> not compromise the eventual, final completion of the penetration detail. <br /> 2. Turn membrane up on curb or equipment a minimum of 2 inches. <br /> 3. Install duct tape. Tape should be a minimum of 4 inches wide. Make sure you have a good bond <br /> between the tape and the curb. Tape should always be used in a manner that does not rely strictly , <br /> - on the tape adhesive to stay in place; e.g. ballast, wrap, or tack in place. i' <br /> 4. Before permanent seaming and adhesive bonding, trim membrane that is contaminated with tape �� i <br /> adhesive. Remember, adhesive from the duct tape will prevent successful hot-air welding and <br /> good bonding with Mule-Hide Bonding Adhesive. ' <br /> � <br /> i <br /> WARNING: Duct tape is not a suitable means for permanent sealing of seams in the Mule-Hide Heat- <br /> Weld Membrane System. Only hot-air welding is an acceptable means of searriing. 'I <br /> � <br /> Roof Walkways � � <br /> A walkway must be provided to accommodate regular traffic to service rooftop units. You can use <br /> smooth surface paver blocks over a slip sheet, or use the MH-100 Walkway Rolls. <br /> i <br /> ,� , <br /> End of Section �' <br /> 'i <br /> �� ' <br /> i <br /> �!� <br /> ,� <br /> �� <br /> ��� <br /> i <br /> f <br /> � <br /> i �C' <br /> { <br /> � <br /> I � <br /> � <br /> I i <br /> a <br /> I � <br /> I <br /> ! <br />