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LeakSeal is a convenient spray for treating cuts, breaks and leaks. The rubber-like protective coating can be used on bitumen roofs, gutters, drains, exterior walls, chimney edges, around skylights, windows and more. The product provides a flexible waterproof seal that counters moisture and corrosion.

LeakSeal is 100% waterproof.

  • Closes leaks and cracks
  • Waterproof semi-gloss finish
  • Finishing with a latex of alkyd topcoat is possible
  • Easy to use


  • Watertight semi smooth finish
  • Can be top-coated with latex or oil-based paints
  • For use on metal, aluminum, PVC, concrete, masonry, asphalt roofing materials, etc.
  • Overcoatable with various paints