Description Prevents Air And Moisture From Passing Through Cracks And Joints. Provides Flexibility To Resist Expansion And Contraction Without Cracking. Paintable With Latex And Oil-Based Paints. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov