I'm Ready To Order Termination Bar (4210) #4210 Termination Bar is used at top of flashing to secure it to backup and is compatible with all WIRE-BOND flashings. Lip provides a channel for caulking at top of bar to prevent moisture penetration. Download Submittal Sheet Material Aluminum ASTM B221/ASTM B221M Stainless Steel – Type 304 ASTM A240/A240M ASTM A666 ASTM A480/A480M ASTM A167