Specifically formulated to meet the demanding needs of professional Painters and deliver outstanding paint finish results. It can be brush painted 20 mins after application or spray painted immediately, so the job gets finished faster. This durable, flexible caulk resists cracking, dirt pick-up and paint glossing. It applies smoothly and easily, has outstanding adhesion to a wide variety of surfaces and provides a 100% waterproof seal. Low odor and easy water cleanup. Cured caulk is mold and mildew resistant. Interior/exterior use. 50 years. Exceeds ASTM C834.