Flex Seal Flood Protection Kit is designed to help prevent damaging flood waters from entering people's homes and businesses. Should be used in combination with our other Flood Protection products. Use on all types of openings such as windows, doors, seams, garages, casings, thresholds, conduits, vents and ducts, key holes and more. No water penetration through 1/2 In. gaps at depths up to 3 Ft. for 14 days. Flex Seal Flood starter kit includes: 10 Oz. liquid flood protection, 9 Oz. cartridge flood paste, caulking gun, gap filler tool, 2 In. paint brush, 2 pair nitrile gloves and a how-to guide.