Other types of nails, such as electroplated, are not recommended. They can rust and disintegrate and react adversely with the natural preservative oils present in cedar, resulting in stains and streaks. Copper nails also react with cedar and should not be used.
Stainless steel is the best choice but hot-dipped galvanized is the most widely used and economical.
Use 3 in. Deck boards 2 in. To prevent wood from splitting, use thin shanked nails with blunt points. Screws Screws can also be used to fasten decks. Double hot-dipped galvanized screws can be used, however, stainless steel screws are recommended.