Apply Anvil 1606 Rust Inhibitive Universal Primer on steel, slate, aluminum, wood, galvanized and other non-porous surfaces. Use as a rust inhibitive primer. Use over spalled reinforced concrete where rebar is showing. Prevents sap staining of unprimed wood, and water stains in ceiling panels. Markedly reduces corrosion of ferrous metal and enhances adhesion of topcoats over chalky surfaces. New regional Volatile Organic Content (VOC) regulations (SCAQMD) differ from the U.S. Environmental Protection Agency (USEPA AIM) national standards, this product cannot be sold or shipped to the following area: the greater Los Angels basin.