BASF MasterSeal 581 Thoroseal Gray Cement-Based Waterproof Coating 50 lb

A heavy cement base waterproof coating packaged in dry powder form which can be mixed with water and applied with a coarse fibered brush. For use on concrete stone brick or block interior and exterior above or below grade applications. Exceptional filling qualities assure complete sealing of masonry. Breathable prevents build-up of water vapor which causes blistering flaking and peeling of paint films and other nonbreathing coatings. Can be painted with 100% acrylic paint. Compatible to concrete and masonry actually becomes part of the wall. Can be used in cisterns.