Pack of 4 of Gardner Gibson Black Jack Leak Stopper Rubberized Roof Patch. A 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 formulated to be used year round. Leak Stopper is ideal for a variety of roof surfaces including shingles, built-up roofs, SBS modified roofs, metal roofs, and many other surfaces. It is highly recommended to reinforce larger repairs with a strip of reinforcing fabric. No. 0319-GA: Container Size: 10 Oz., Material: Penetrex & Liquid Rubber, Color: Black, Warranty: Lifetime, Pkg Qty: 1, Package Type: Tube No. 0318-GA: Container Size: 1 Qt., Actual Contents in Container: 29 Oz., Material: Penetrex & Liquid Rubber, Color: Black, Coverage Area (Sq. Ft.): 12, Warranty: Lifetime, Pkg Qty: 1, Package Type: Can No. 0311-GA: Container Size: 1 Gal., Actual Contents in Container: 3.6 Qt., Material: Penetrex & Liquid Rubber, Color: Black, Coverage Area (Sq. Ft.): 12, Warranty: Lifetime, Pkg Qty: 1, Package Type: Can
