SpraySeal NS-F300-BG is an elastomeric coating for waterproofing Vertical walls, Bathtub waterproofing, ICF foundations, and more. NS-F300-BG is weather resistant, waterproof, and also protects against corrosion. It is Eco-friendly and safe to use. NS-F300-BG is a highly versatile elastomeric coating that is cold-applied using a spray system. It can be used to cover a wide variety of surfaces both indoors and outdoors. With its unsurpassed ability to expand and contract, it can easily withstand all weather conditions.