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2. Refer to the Contract Drawings for perimeter and corner layout. <br /> 3. Hot-air weld overlaps according to membrane manufacturer's requirements. Seam <br /> test cuts shall be taken at least 3 times per day. <br /> C. Field Area <br /> 1. Over the properly installed and prepared substrate surface, full-width rolls(120") <br /> are to be installed perpendicular to the steel deck flutes. Membrane fasteners and <br /> plates are installed along the edge of the membrane on the fastening line six(6") <br /> inches on center. Plates are held-back 1 inch from the outer edge of the membrane. <br /> The adjacent full-roll is positioned to overlap the fastened edge of the first full-roll <br /> by 5-1/2 inches in accordance with the overlap lines marked on the sheet's edge. <br /> The 5-1/2 inch overlap will allow the top membrane to extend 2-1/2 inches past <br /> the membrane fastener and plate for heat-welding. Fasteners shall clamp the <br /> membrane tightly to the substrate. <br /> 2. Hot-air weld overlaps according to membrane manufacturer's recommendations. <br /> Seam test cuts shall be taken at least 3 times per day. <br /> 3.03 MEMBRANE TERMINATION <br /> A. Terminate membrane at all walls as shown in the contract drawings. <br /> 1. Roof Deck: Membrane shall be mechanically terminated using approved fasteners <br /> and plates six(6)inches on center. <br /> 2. Wood Wall Substrate: Membrane shall be turned up wall one inch and <br /> mechanically terminated using approved screws eight(8) inches on center with a <br /> termination bar. <br /> 3. Concrete/Masonry Wall Substrate: Membrane shall be turned up wall one inch <br /> and mechanically terminated using approved anchors eight (8) inches on center <br /> with a termination bar. <br /> B. Membrane shall extend over roof edge a minimum of 2" below the perimeter wood <br /> blocking. <br /> 3.04 FLASHING INSTALLATION <br /> A. General <br /> 1. All flashings shall be installed concurrently with the roof membrane as the job <br /> progresses. <br /> 2. No temporary ryflashin s shall be allowed without the prior written approval of the <br /> Engineer and Manufacturer. Approval shall only be for specific locations on <br /> specific dates. If any water is allowed to enter under the newly completed roofing, <br /> the affected area shall be removed and replaced at the Contractor's expense. <br /> 3. Seams shall not be "taped" as temporary measure but shall be fully completed <br /> before the end of each day. <br /> 4. Flashing shall be adhered to compatible, dry, smooth, and solvent-resistant <br /> surfaces. <br /> 5. Where substrates are incompatible with adhesives and PVC materials, the <br /> Contractor shall remove the incompatible materials and replace it with a <br /> compatible substrate,or install compatible PVC flashing materials. <br /> 6. Use caution to ensure adhesive fumes are not drawn into the building. <br /> B. Adhesive for Flashing Membrane <br /> Sebastian Corners Roof Replacement 07 54 00-7 Thermoplastic Single Ply Roofing <br />