¤ Flashing: stainless steel, 26 GA, type 304, 2B, ASTM A-240¤ Solder: ASTM B32, 50% tin - 50% lead (if lead free solder is required, tin-silver, ASTM 96.5TS)
¤ Backer Rod: Open cell foam, 7/8", ASTM 1564
¤ Sealant: Single part urethane, ASTM C920-79
And in addition, for lightening and coaxial cable flashing products:
¤ Gooseneck: PVC conduit UL 651