1 – 750-mL burst pack; 1 – pair of gloves; 1 – instruction sheet .Kit covers 1 square foot (approx.) at a three-inch depth/930-cm 2 at 7.6 cm depth. Safeguard Enclosures and Equipment from Damage. Polywater® InstaGrout™Sealant is a two-part urethane foam that seals out pad-mounted equipment openings to prevent outages and service disruptions. Safer to use and more effective than concrete grout. InstaGrout will not collapse during change-outs and adheres to various pad-mounted materials.