Concrete Saver Pro Non-Sag Sealant is a one-part, moisture curing, sag resistant, elastomeric commercial-grade sealant. It is specifically formulated to provide a long lasting, durable seal when filling exterior gaps, joints, and cracks. This high-performance sealant offers superior adhesion to most substrates and superior flexibility with +/- 35% movement capability when installed into a properly prepared joint. Can be applied above or below the waterline. Exceptional cut and tear resistance. Handles foot and vehicle traffic. Paintable. Meets or exceeds ASTM C920, Type S, Grade NS, Class 35, use T, NT, O, M, I. NSF/ANSI Standard 61.