fe elite alts Architectural Costings Gladden Essentials interior Latex Paint Flat GENERAL SURFACE PREPARATION Surfaces fo be coated must be clean and dry. Remove all loos, peeling paint, dirt, greases, and any other surface contaminants. Putty all nail holes and caulk sit cracks and open seams. Sand all glossy, rough and patched surfaces. Prime all bare wood, drywall, plaster, masonry, metal and porous surfaces with the appropriate primer.