What screws are best for pressure treated wood?
The 2006 International Residential Code states, “Fasteners for pressure-preservative and fire-retardant-treated wood shall be of hotdipped zinc-coated galvanized steel, stainless steel, silicon bronze or copper..
Can you use galvanized screws in pressure treated wood?
Mechanically galvanized screws are generally suitable for decks and other outdoor projects made of pressure-treated lumber. Nevertheless, you should not use them with PT lumber in contact with the soil, in high-moisture areas, or in areas with salt content in the air.
Can structural screws be used for framing?
The most common screw for joining two-by-fours is hardened steel, structural, No. … 9, 2 1/2 inches long with a Phillips head. Other screw types appropriate for studs are specialized and may be harder to find and more expensive.
What are structural screws used for?
Structural screws or construction screws are thin, high-strength screws made of super strong, heat-treated, sometimes galvanized steel. They are a newer type of structural fastener that can be used in place of lag screws to cut down on the time and effort put into drilling.