Black Jack Leak Stopper 1 Gal. Rubberized Roof Patch HOPPERFLIP Includes one-year warranty

Includes one-year warranty

No assembly

and the use of all common nails for the same connection

It is highly recommended to reinforce larger repairs with a strip of reinforcing fabric

Black Jack Leak Stopper 1 Gal. Rubberized Roof Patch HOPPERFLIP Includes one-year warrantyA revolutionary advancement in roof patching and repair. This long lasting rubberized repair is specially formulated to penetrate deep into 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