SpraySeal NS-R200 is an elastomeric coating used for decks, roofs, metal surfaces and more. It can be used to cover a wide variety of surfaces. With its unsurpassed ability to expand and contract, it can easily withstand all weather conditions. SpraySeal NS-R200 is weather resistant, waterproof, and protects against corrosion. SpraySeal NS-R200 is a highly versatile elastomeric coating that is cold-applied using a spray system.