Interior paints can be applied on properly prepared interior walls, trim and ceilings of previously painted or bare drywall, plaster, masonry, wood, and primed metal. Exterior paints can be applied on properly prepared exterior surfaces of wood, hardboard, aluminum siding, vinyl siding, masonry, brick, stucco, cement composition panels and metal. They are not for use on floors. See product data sheets on the Product Detail Pages for additional information on surface preparation and application.