Drive screws that don't corrode. Silicon bronze. This material is the standard in marine fasteners because it resists corrosion and doesn't promote rot in the wood around the fastener. Stainless steel. Screws made of this material may cost twice as much as coated steel fasteners. The Golden Rule for outdoor fasteners..
Inside the lumberyard, you'd load up on nails, nuts, bolts, screws, and maybe joist. This chemical stew boils down to one thing: The pressure–treated wood .
Shop our selection of Deck Screws in the Lumber & Composites Department at The Home Depot.
Galvanized nails and screws can sometimes cause discoloration with redwood, cedar, and tropical hardwoods, so stainless steel is a safer choice with these materials. Aluminum screws are also an option for redwood or cedar, but not with pressure–treated wood.
Most rot-resistant pressure–treated lumber sold for homeowner use relies on two copper-based wood preservatives — alkaline copper quaternary and copper .