This polyurethane one-component sealant is moisture cure, non-sag and gun grade. It is designed for a wide range of sealing applications in joints subject to structural movement. After curing, this sealant exhibits a flexible, resilient, rubber-like appearance that adheres to a wide variety of substrates and provides up to 70% total joint movement. It is especially effective between joints of movement. It is especially effective between joints of dissimilar substrates. Commonly applied at window frames, doors, skylights, foundations, concrete driveways, expansion wall joints, fascia and siding.