Pre-Tect is a safe, effective, easy to use 100% acrylic coating that provides excellent moisture barrier and fungicidal characteristics to protect during construction of houses, apartments and other structures. I will inhibit the growth and spread of mold mildew, spores and fungus. It is a high-performance, industrial strength product that will provide an exceptional level of protection to many types of hard surfaces and materials including but not limited to framing lumber, concrete, OSB, plywood, brick and block material. It is environmentally friendly, low VOC, non-toxic, non-flammable and does not contain hazardous components. Color: Clear/Satin.