The DAP Liquid Cement Crack Filler 37584 is used as a patching and repairing compound in many home-repair projects. It adheres to concrete and dries in 30 minutes. Use this liquid crack filler to repair surface defects and cracks in and around the home. It is durable and dries gray to match concrete. This DAP cement crack filler is self-leveling and comes in a readily-mixed formula. Simply pour it into the crack and let it sit and dry. Use it indoors or outdoors to correct any imperfections in walls and floors.