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d. Gutters <br />e. Approved Products: <br />1) 791 by Dow Corning <br />2) Narrow Joint Sealer by Schnee -Morehead Inc, Irving, TX <br />3) Sikaflex-la, Dymonic FC, Bondaflex PUR 25, Sonneborn <br />NPI <br />4) Approved equal <br />3. Color - As selected by the Owner from manufacturer's standard colors. <br />B. Backing - Flexible polyurethane or polyolefin rod or bond breaker tape as <br />recommended by the manufacturer for joints being sealed. <br />PART 3 - EXECUTION <br />3.01 Preparation: <br />A. Remove existing sealants where specified. Surfaces shall be clean, dry, and free <br />of dust, oil, grease, dew, or frost. <br />B. Apply specified primer. <br />C. Joint Backing <br />1. Polyurethane rod for open joints shall be at least 1-1/2 times width of open <br />joint, and of thickness to give solid backing. Backing shall fill joint so <br />depth of sealant is no more than 3/8 inch. <br />2. Apply bond -breaker tape in shallow joints as recommended by the <br />manufacturer. <br />3.02 Application: <br />A. Apply sealant with hand -caulking gun with a nozzle of the proper size to fit joints. <br />Use sufficient pressure to ensure full contact to both sides of joint to full depth of <br />joint. <br />B. Tool joints immediately after application of sealant if required to achieve full <br />bedding to substrate or to achieve smooth sealant surface. <br />C. Depth of sealant shall be 1/4" minimum and 1/2" maximum, but never more than <br />1/2 or less than 1/4 of the joint's width. <br />D. Do not apply caulking at temperatures below 400 F. <br />E. Caulk open perimeters unless indicated otherwise. <br />F. For EIFS, carefully check the system manufacturer's details and adhere to <br />caulking details. Use specified material available from system installer. <br />City of Lino Lakes Sealants and Caulking <br />Lino Lakes Fire Station #1 2 07 92 00 <br />RSI Project # 15-12120-02 <br />