100% Acrylic water based primer for Xi-Textured Acrylic Finishes. Factory mixed and come in a variety of standard and custom colors. May be applied to portland cement plaster, EIFS base coats, brick, cmu, masonry, interior drywall, painted or other surfaces with the approval of FACADESXi. FACADESXi recommends using a Xi-Alkali Resistant Primer to further upgrade the appearance and consistency of the finish. Available sanded, in standard colors and custom colors.