Olympic Permaseal Permanent Seal

Olympic Epoxy-Based Swimming Pool Coatings . Primers & Maintenance Products - Permaseal . 1-Pack. Olympic Permaseal is a one-component nitrile rubber caulking compound that seals cracks overnight yet remains flexible. This permanent seal can be used with all types of pool paints. Nitrile rubber caulking compound seals cracks overnight . yet remains flexible. use on small cracks up to 1/4in. Some shrinkage will occur during drying time.