WoodMAC™ features a 300-series stainless steel capped low-profile hex washer head that can never rust. In addition to metal panel-to-wood installation, WoodMAC™ is also popular for ridge vent installation to wood substrates. VistaCoat full coat paint system is available in colors to match panels, providing corrosion resistance beyond the industry 1000-hour salt spray standard and built-in UV resistance to combat paint fading.