Instantly repair & prevent leaks with a watertight seal on a wide range of demanding surfaces with this LeakSeal Spray. The versatile, rubberized coating seals cracks, fills small holes & provides firm yet flexible protection against moisture & rust on surfaces that need it most. Plus, it dries to a paintable finish for discreet use virtually anywhere. LeakSeal Spray is perfect for gutters, roofs, flashing, ductwork, PVC, masonry, concrete & more.