Hirshfield's Platinum Exterior™ has been formulated with the latest innovations available, including crosslinking technology. This special crosslinking technology provides a thick, continuous, flexible paint film that is guaranteed for life. Platinum Exterior™ will form a tough protective film that fights off the harshest of elements including rain, sleet , snow and damaging UV rays. Platinum Exterior's™ thick film allows it to bridge small gaps and hide minor surface imperfections, leaving a beautiful looking, virtually impervious finish. This coating can be applied over wood, wood shakes, brick, masonry, hardboard, vinyl, steel, aluminum, and cementatious type siding. It is not intended for use on horizontal surfaces such as decks, roofs, or floors.