Most decking screws are 8-gauge and, while 2 1/2 inches is the minimum length needed to hold decking boards to the joists, 3-inch screws are commonly used to provide extra holding power against the upward pressure of shrinking or warping boards.
(Should I predrill the deck board only or the deck board and the joist. framing though as long as you use the right size bit for the screw.. For example when installing 1-1/2" boards, you should use 3" or 3-1/2" inch fasteners.
Learn about the advantages and disadvantages of wood decking vs.. arid environments, and in a few short months, will shrink to a desired size gap.. Install decking with 3" pressure-treated compatible deck screws instead of nails.. Start installing deck boards at the outside of the deck and work towards the house wall.
Question about deck screw length and need to pre-drill holes for screws.. I want to attach flooring boards (2 X 6) to deck frame (also 2 X 6). What length deck. I find 3" to be the size I use the most because I use them in framing a lot. That fact .