In addition to the extensive testing necessary to get a coating on the approved NEPCOAT
list, formulators must also provide PennDot solid data to back up any claims that differ from what is shown on the technical data sheet.
Separately, the Northeast Protective Coating Committee (NEPCOAT
) has approved two-coat polyaspartic-based systems as being equivalent to traditional three-coat systems, according to Angeloff.
Zinc Clad DOT can be used as a one-coat maintenance coating or a permanent primer for severe corrosive environments and is a qualified product per Northeast Protective Coating Committee (NEPCOAT
) requirements for new and existing steel bridges.