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B. Mule-Hide accepted roof insulations shall be secured to the roof dedc in accordance with <br /> Mule-Hide's requirements utilizing Mule-Hide fasteners or approved compatible fasteners. <br /> When more than one layer af insulation is to be used, succeeding layers are to be laid <br /> staggered in relation to the previous layer of insulation and all jants shall be staggered. <br /> All layers may be fastened as a single 19yer with one fastener. It is not required that each <br /> layer be individually attached. <br /> C. All roof insulation shall be neatly cut to fit around aH penetrations and projections with a <br /> maximum allowable gap of 1/4". <br /> D. Open jants greater than 1/4" wide shall be repaired with like insulation material. <br /> E. Insulation shalt be tapered to provide a sump area a minimum af 36" x 36" where <br /> possible at all drains. <br /> F. tnstall no more roaf insulation in one day than can be c�vered with the Mule-Hide PVC <br /> Membrane or when the onset of inclement weather is anticipated. <br /> G. Insulation installed over steel decks shall be checked so that no edges are left <br /> unsupported along the flutes. All insulations shall be of suffiaent thickness and density to <br /> prevent breakage under normal roof construction or maintenance tra�c. <br /> H. 7apered insulation shall be installed in aocordance with tapered fabricators shop <br /> drawings. <br /> 3.07 Membrane Instaltation <br /> A. General - Unroll the Mule-Hide PVC Membrane and position without stretching. Allow the <br /> membrane to relax at least 15 minutes when the temperature is above 60°F, or 30 <br /> minutes when the temperature is below 60°F, prior to installation. Inspect and remove <br /> any damaged membrane. Lap shests a minimum af 5", for In-Lap fastening, leaving <br /> space for mechanical fasteners and plates and space for a 1-1/2" minimum w�eld. <br /> Membrane overiaps shall be shingled with the flow af water. <br /> B. Ir}Lap Fastening <br /> 1. Perimefer and comer areas - When installing Mule-Hide PVC R�ng, install a <br /> minimum of one (1) Perimeter Sheet (1/2 width sheet) parallel with the perimeter <br /> and fastened with Mule-Hide approved fastening system at the pnedetermined <br /> spacing in the lap area in a line centered approximately 1-1/2" from the edge o� <br /> the sheet le-aving 2" a� membrane outside the disc. Weld lap area continuously <br /> with a minimum weld width of 1-1/2 inches. <br /> Perimeter areas shall be determined by one af the following methods: <br /> a, 1/10th the lesser plan dimension <br /> or <br /> b. 4/10th the eave height <br /> Whichever is the lesser may be used. <br /> Corner areas are defined as the irrtersection af two perimeter areas. <br /> Perimeter sheets are required to be installed in all perimeter and comer areas. <br /> Spacing of the rows of fasteners in the perimeter areas shall be reduced to 60% <br /> of the spacing of the rows of fasteners in the field sheets. Spacing � the <br /> fasteners in the seam shall remain the same distance apart as the spacing ofi the <br /> 11 <br />