Simpson Strong-Tie fasteners are available with bright-blue zinc coating or Quik Guard® coating
- Bright-blue zinc coating provides a low level of Corrosion Resistance. In the ASTM B117 salt spray test it provides 36 hours of protection before the appearance of red rust.
- Quik Guard is a proprietary double-barrier coating that consists of an electrodeposited base layer with an organic paint layer. In the ASTM B117 salt spray test Quik Guard has an average 1.9% red rust at 1,000 hours of exposure. This coating provides a medium level of Corrosion resistance.