Screw Products says its SKTII and E-Coat coatings are designed for screws being used in lumber treated with preservatives such as ACQ that can react with uncoated metals. The SKTII coating, available on Bronze Star construction screws, has withstood 1,200 hours of ACQ and salt-spray testing without failure; the E-Coating has successfully handled 1,000 hours of salt-spray testing and is available on the #10 x 2 3/4-inch Star Drive C-Deck screws, which come in 17 colors. Screw Products says, with a few caveats, that it will replace any corroded fasteners. Screw Products, 877.844.8880,