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THERMOPLASTIC MEMBRANE <br />ROOFING - ADHERED <br />Section 07541 <br />15-1207 <br />1/2 and 5/8 inch. Consult Product Data Sheet for additional information. <br />2.05 ATTACHMENT COMPONENTS <br />A. Membrane Adhesive <br />Sarnacol 2121 Adhesive: <br />A water-based adhesive used to attach the membrane to horizontal or near -horizontal <br />substrates. Consult Product Data Sheets for additional information. <br />SARNACOL 2121 COVERAGE RATES FOR BAREBACK MEMBRANE <br />Squeegee <br />Roller Applied <br />Spray Applied <br />Substrate <br />Applied <br />Total Rate <br />Total Rate <br />Total Rate <br />Polyisocyanurate Felt Facer <br />67 ft2 /gal <br />100 ft2/gal <br />133 ft2/gal <br />Polyisocyanu rate Glass <br />80 ft2/gal <br />100 ft2/gal <br />133 ft2/gal <br />Facer <br />Smooth Plywood <br />67 ft /gal <br />100 ft2/gal <br />133 ft2/gal <br />DensDeck® Prime <br />80 ft2/gal <br />100 ft2/gal <br />133 ftZ/gal <br />B. Insulation Board Adhesive (Maximum insulation board size 4' x 4' for all adhesives. 4' x 8' <br />DensDeck may be used) <br />Sarnacol 2163 Adhesive: <br />A low odor, VOC compliant, one step, low-rise urethane foam used to attach insulation <br />to approved compatible substrates. Adhesive is applied with a gravity fed applicator or <br />by hand with a dual component caulk gun. Additional adhesive may be required for <br />rougher surfaces. Consult Product Data Sheets for additional information and for <br />approved substrates and approved insulations. <br />Coverage - Approximately 600 sq. ft. per case. Rates are based on an application <br />pattern of 4 ribbons, 1/4-1/2 in. beads, 12 in. o.c. per 4 x 4 ft.) insulation board. <br />Coverage rates may vary over irregular surfaces. <br />Approximate Set -Time - Air Temperature between 60-90°F = 5-8 minutes. <br />Air Temperature between 32-60°F = 8-15 minutes. <br />Storage - For ease of application, maintain a minimum material temperature of 70°F <br />prior to use. Store in a cool dry location at temperatures between 55°F and 85°F, protect <br />from freezing at all times. Shelf life is 8 months from the date of manufacture. <br />2. Sarnacol AD Board Adhesive: <br />A low odor, VOC compliant, one step foamable polyurethane adhesive used to attach <br />insulation to approved compatible substrates. Adhesive is applied by combining two 5 <br />gallon box sets placed on a cart and dispensed through a combining hose. Additional <br />adhesive may be required for rougher surfaces. Consult Product Data Sheets for <br />additional information and for approved substrates and approved insulations. <br />11 <br />