Patent ID: 9528721
Filing Date: 2016-12-27
CPC Classification: C09D,F24F,Y10T

Claim Text:
1. An HVAC or air handling system component comprising: a composite coating overlying a surface of the component, the composite coating including: a base coat contacting the surface of the component and configured to fill holes or crevices therein, thereby arresting corrosion, restoring surface structure, and/or repairing and reconstructing the component; a waterborne intumescing combustion barrier intermediate coat overlying the base coat and configured to provide a barrier to combustion of the base coat by expanding and forming a dense foam layer in response to heat; and a water-resistant sealer coating overlying the intermediate coat; wherein the base coat is selected from the group consisting of epoxies, polyurethanes, polyvinyldioxlane-based polyurethanes, acrylic-polyurethanes, aliphatic polyureas, aromatic polyureas, polyurea elastomers, polyesters, acrylics, vinyls, styrene-butadienes, amine-solubilized, carboxyl-terminated alkyds and urethanes, water-based alkyds, vinyl esters, and combinations thereof.