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Rubberized Cement Patch from Kool Seal is an essential tool for repairing small holes, cracks or gaps in a variety of surfaces such as concrete, masonry, stone and brick. The rubberized formula creates a strong, watertight seal that resists oil, gasoline, water and other harsh chemicals while providing superior adhesion to uneven and porous surfaces. This versatile and easy-to-apply patch can be used on both indoor and outdoor projects such as basements, driveways, walkways, pools, walls, foundations, and more. Its black color matches most surfaces and is perfect for concealing unsightly stains or imperfections. With its long-lasting and durable construction, Rubberized Cement Patch is an ideal solution to repair, maintain and protect your home or commercial property.