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Southern Human Services Center Smith Sinnett /2020072 <br />HVAC and Roof Renovations Orange County,North Carolina <br />HVAC Piping Insulation 23 07 19 - 3 <br />1.Cloth: Untreated;9 oz/sq yd weight. <br />2.Vinyl emulsion type acrylic,compatible with insulation,white color. <br />I.Outdoor Vapor Barrier Mastic: Vinyl emulsion type acrylic or mastic,compatible with insulation, <br />black color. <br />J.Insulating Cement: ASTM C449. <br />2.03 HYDROUS CALCIUM SILICATE <br />A.Insulation: ASTM C533 and ASTM C795;rigid molded,asbestos free,gold color. <br />1.K Value: 0.40 at 300 degrees F,when tested in accordance with ASTM C177 or ASTM <br />C518. <br />2.Maximum Service Temperature: 1200 degrees F. <br />3.Density: 15 lb/cu ft. <br />B.Tie Wire: 0.048 inch stainless steel with twisted ends on maximum 12 inch centers. <br />C.Insulating Cement: ASTM C449. <br />2.04 FLEXIBLE ELASTOMERIC CELLULAR INSULATION <br />A.Manufacturers: <br />1.Aeroflex USA,Inc​;Aerocel Ultra-Low Perm (ULP)​ <br />2.Armacell LLC​​ <br />3.K-Flex USA LLC​​ <br />4.Or Approved Equal <br />B.Insulation: Preformed flexible elastomeric cellular rubber insulation complying with ASTM <br />C534/C534M Grade 1;use molded tubular material wherever possible. <br />1.Minimum Service Temperature: Minus 40 degrees F. <br />2.Maximum Service Temperature: 180 degrees F. <br />3.Connection: Waterproof vapor barrier adhesive. <br />C.Elastomeric Foam Adhesive: Air dried,contact adhesive,compatible with insulation. <br />2.05 JACKETS <br />A.PVC Plastic. <br />1.Manufacturers: <br />a.Johns Manville Corporation​​ <br />b.Speedline Corporation <br />c.Knauf Insulation <br />d.Proto PVC Corp <br />e.Or Approved Equal <br />2.Jacket: One piece molded type fitting covers and sheet material,off-white color. <br />a.Minimum Service Temperature: 0 degrees F. <br />b.Maximum Service Temperature: 150 degrees F. <br />c.Moisture Vapor Permeability: 0.002 perm inch,maximum,when tested in accordance <br />with ASTM E96/E96M. <br />d.Thickness: ​30 mil​. <br />e.Connections: Brush on welding adhesive. <br />3.Covering Adhesive Mastic: Compatible with insulation. <br />4.Color:Jacketing shall be color coded per the following: <br />a.Hot Water Supply/Return Medium Red <br />b.Makeup Water Green <br />c.Refrigerant Gray <br />B.Aluminum Jacket: ASTM B209 (ASTM B209M)formed aluminum sheet. <br />1.Thickness: ​0.016 inch​sheet. <br />2.Finish: ​Embossed​. <br />3.Joining: Longitudinal slip joints and 2 inch laps. <br />4.Fittings: ​0.016 inch​thick die shaped fitting covers with factory attached protective liner. <br />5.Metal Jacket Bands: 3/8 inch wide;0.015 inch thick aluminum. <br />DocuSign Envelope ID: 94E7997D-4F29-42F6-A9B4-0A160438D2A6