Lanco® Rain-Shield™ is a high build, 100% acrylic, professional grade, high performance, eco-friendly, low VOC, water-based high technology formulation coating designed to protect against wind driven rain and also to weatherproof concrete, masonry, concrete block, brick and stucco surfaces. Its high solids and ceramic micro-sphere technology will provide you with the most durable and longest lasting coating for protecting the outside of your home or building. It is more flexible than regular exterior paint. It provides significant resistance to cracking, peeling and chipping.