MasterSeal 583 (formerly Super ThoroSeal) is a dry polymer modified portland cement-based coating used for sealing and protecting concrete and masonry substrates against water, dampness and seepage with a long lasting, semi-smooth decorative white finish.
WARNING: This product can expose you to chemicals including silica, crystaline (airborne particles of respirable size), which is known to the State of California to cause cancer, and methanol, 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