Gardner Gibson 6148-9-27 3 1/2 Gallon Rubber Roof Cement

Black jack rubr-seal, 2.75 gallon, rubberized roof & flashing cement, stops leaks fast, best for extreme weather conditions, longest lasting rubberized seal, ideal on flat or vertical surfaces, best stick in wet or dry conditions, highly flexible product can be used year round in any weather condition to stop & seal leaks, formulated to repair cracks, seams, & holes in roofing materials, designed to be used in new construction & in setting flashings, drip edges & other roofing edges, seals & provides a rubberized layer of waterproofing protection, dries black, 15 year limited warranty.