Engineered for corrosive environments, Gold Coat joist hanger hardware is coated with a non-reactive, organic polymer layer on top of a traditional zinc coating, which the company says offers the corrosion resistance of stainless steel. Approximate cost for a single 2x6 joist hanger is $1.87, compared with 96¢ for the same size with a triple zinc coating. USP Structural Connectors, 800.328.5934, uspconnectors.com