Gardner-Gibson 0316-Ga 18Oz Black Leak Stopper Rubber Flexx Spray Sealant - 12Ct. Case

This long lasting rubberized repair is specially formulated to penetrate deep into damaged areas and stop roof leaks instantly! The secret is Penetrex™, a unique penetrating oil that reaches deep into the crack and forms a complete seal. With the addition of liquid rubber, this flexible, high performance plastic cement provides a superior watertight bond that will stop problem leaks for good. Product formulated to be used year round.Stops roof leaks instantly. APP and SBS compatible