1 – 1500-mL burst pack; 1 – pair of gloves; 1 – instruction sheet, Kit covers 2 square feet (approx.) at a three-inch depth/1860-cm 2 @ 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.