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E. Install insulation with smooth, straight, and even surfaces. • <br /> F. Seal joints and seams to maintain vapor barrier on insulation <br /> requiring a vapor barrier. <br /> G. Seal penetrations for hangers, supports, anchors, and other <br /> projections in insulation requiring a vapor bairier. <br /> H. Seal Ends: Except for flexible elastomeric insulation,taper enc�.s at <br /> 45 degree angle and seal with lagging adhesive. Cut ends of <br /> flexible elastomeric cellular insulation square and seal with <br /> adhesive. <br /> I. Apply adhesives and coatings at manufacturer's recommended <br /> coverage-per-gallon rate. <br /> J. Keep insulation materials dry during application and finishing. <br /> 3.2 PIPE INSULATION INSTALLATION, GENERAL <br /> A. Tightly butt longitudinal seams and end joints. Bond with <br /> adhesive. <br /> B. Stagger joints on double layers of insulation. • <br /> C. Apply insulation continuously over fittings, valves, and specialti�s, <br /> except as otherwise indicated. <br /> D. Apply insulation with a minimum number of joints. ' <br /> E. Apply insulation with inte�al jackets as follows: <br /> 1. Pull jacket tight and smooth. <br /> 2. Cover circumferential j oints with butt strips, at least 3 <br /> inches wide, and of same material as insulation jacket. <br /> Secure with adhesive and outward clinching staples along <br /> both edges of butt strip and space 4 inches on center. <br /> 3. LonQitudinal Seams: Overlap seams at least 1-1/2 inches. <br /> Apply insulation with longitudinal seams at bottom of pipe. <br /> Clean and dry surface to receive self-sealing lap. Staple <br /> laps with outward clinching staples along edge at 4 inches <br /> on center. <br /> • <br /> ICT 99184 <br /> 15250 - 6 <br />