Bondo Fiberglass Resin Gallon 20124

Makes watertight, durable repairs to small and large gaps, holes, cracks, splits, gauges or seams in pools, boats, wheelbarrows, sheds, play equipment and any repair to fiberglass, metal, wood or concrete surfaces. For structural strength, holes, cracks and deep gauges, Fiberglass Cloth or Fiberglass Mat must be used (not included)