Laserfiche WebLink
protection utilizing other materials is not acceptable when sheet metal <br /> underlayment is specified. <br /> C. Fasteners: Shall be size and type required. <br /> 1. All fasteners to be rust resistant and compatible with materials to be joined. <br /> 2. All exposed fasteners shall be stainless steel screws with washers fastened through <br /> 5/16"predrilled oversized holes. <br /> 3. All exposed fasteners into concrete or masonry shall be metal based expansion <br /> anchor with stainless steel pin with washers fastened through 11/32" predrilled <br /> oversized holes. <br /> 4. All exposed fasteners shall have factory painted heads to match the sheet metal <br /> color. <br /> 5. Exposed horizontal surface fasteners are not acceptable. <br /> D. Soil Pipe <br /> 1. Provide Prefabricated Pipe Penetration Flashing as shown in detail drawing with a <br /> 4"minimum flange. <br /> 2. Set flange in a full bed of roofing cement over base ply and strip in as specified. <br /> 3. Provide separate flashing cap extending a minimum of 1"down inside pipe,and a <br /> minimum of 3" down outside the pipe. <br /> 4. Clean and solder all seams. <br /> E. Pipe Penetration <br /> 1. Fabricate flange/sleeve and umbrellas as shown in detail drawings. Refer to <br /> SMACNA Architectural Sheet Metal Manual Figure 8-9C. <br /> 2. Provide a 4"minimum flange attached and stripped in as indicated in the Contract <br /> Drawings. <br /> 3. Install watertight umbrella with stainless steel draw band and sealant properly <br /> tooled to ensure adhesion and slope to shed water. <br /> 4. Vertical leg of umbrella flashing shall extend a minimum of 2" below the sleeve <br /> top and be positioned as low as possible on the sleeve. <br /> 5. Clean and solder all seams. <br /> F. Slip Flashing for Curbs <br /> 1. Fabricate slip flashing at curbs as shown in detail drawings in 10'lengths. <br /> 2. Slip flashing shall extend a minimum of 2 inches below base flashing termination <br /> and shall fit tightly against curb. <br /> 3. Secure slip flashing 12"on center of a minimum of two fasteners per side of the <br /> curb. <br /> 4. Notch and lap ends of adjoining sections not less than 4"; apply sealant tape <br /> between sections. <br /> 5. Lap miters at corners a minimum of 1 inch and apply sealant between laps. Rivet <br /> at 2"on center. <br /> G. Equipment Support <br /> 1. Wrap top of equipment support with sheet metal underlayment to extend two <br /> inches below base flashing termination. <br /> 2. Fabricate equipment support cap at curbs as shown in detail drawings in one <br /> continuous piece of sheet metal and secure at eighteen inches on center. <br /> Sebastian Corners Roof Replacement 07 62 00-6 Sheet Metal Flashing and Trim <br />