Jacquelyn™ is non-ablative and does not rely on copper leach. Jacquelyn™ is tough. Adhesion tests show a pull off pressure of greater than 1000 PSI for the coating. We warrant the coating for five years, but the expected life of the coating is 15 years. Coating applied on screens in Vergennes, VT in 1999 still are still coated free of zebra mussel growth.