Tie Rods WPE55 PLUG FORMWORK Accessories - Plugs for Concrete Tie Rods WPE55 – PLUG Exposed concrete plug made of TPE for easy closure of the formwork spacer for exposed concrete requirements. Only hammer in, do not glue. Further colors available on request. Advantages Fast and clean sealing of tie holes Individual design opportunities Watertight sealing of structures Smooth, almost pore-free concrete surface