1 Gal.. If surface has already been painted it can still be used on top as a clear acrylic sealer. Chalky Wall Sealer Acrylic Primer and Sealer Can be used on masonry, stucco, wood, and painted surfaces.
EPDM Rubber caps are designed to mask plain and threaded studs, tube ends and even slotted holes; they will mask off the stud and allow finishing up to it..