Leak Ender 2000 fixes any leak and fixes it fast. No matter what kind of leak you have, spray it with Leak Ender 2000 and the leak is sealed. Leak Ender 2000 is a specially formulated liquid rubber compound that will completely fill any crack or separation as it hardens, sealing it water-tight. Works with metal, wood, cement, brick, and much more. Leak Ender 2000 fixes any leak, guaranteed.