Laserfiche WebLink
' DIVISION 07 Section 07620 - Sheet Metal Flashing and Trim <br /> � C. Soldered Joints: Clean surfaces to be soldered,removing oils and foreign matter. <br /> Pretin edges of sheets to be soldered to a width of 1-1/2 inches (38 rnm)m except <br /> where pretinned surfaces would show in finished work <br /> ' D. Sealed Joints: Form nonexpansion,but movable,joints in metal to accommodate <br /> elastomenc sealant to comply-with SMACNA standards. Fill joint with sealant and <br /> , form metal to comply metal to completely conceal sealant. <br /> E. Seams;Fabricate nonmoving, seams in sheet metal with flat-lock seams.Tin edges to <br /> be seamed, form seams,and solder. <br /> � F. Separations: Separate noncompatible metals or corrosive substrates with a coating of <br /> asphalt mastic or other permanent separation as recommended by manufacturer. <br /> ' <br /> 3.02 CLEANING AND PROTECTION <br /> ' A, Clean exposed metal surfaces,removing substances that might cause corrosion of inetal or <br /> deterioration of finish. <br /> � B. Provide final protection and maintain conditions that ensure sheet metal flashing and trim <br /> work during construction is without damage or deterioration other than natural weathering <br /> at the time of substantial completion. <br /> � END OF SECTION 07620 <br /> � <br /> � <br /> ' <br /> � <br /> � <br /> , <br /> � <br /> � <br /> ' <br /> 07620- 3 <br /> HEI�INEPIN COUNTY Orono Salt Storaee <br /> � March 22,2002 Project No.:0031569 Contract No.:0751R2 <br />