Uses: As basecoats over EPS. As masonry levelers, adhesives for adhering EPS to masonry, exterior grade gypsum sheathing and glass mat gypsum sheathing. Cementitious-Acrylic Basecoat & Adhesive, pail products mixed with Type I or I-II Portland cement in a ratio of 1 part Basecoat & Adhesive to 1 part cement by weight.