Decking - Nails or screws - Home- nails vs screws decking ,31/10/2017· Screws are best. Nails do work, just make sure they're long enough! My father in law recently redid his decking boards and used round nails 2-3 times the thickness of the boards. As he was starting I told him the nails were too short and would pull out. HeNails Or Screws I Blog I All We Do Is Decks I Brisbane27/7/2018· Screws win over nails as well when it comes to re-sanding your deck, if you have nail heads poking up this is going to be a big problem for you and the sanding machine. Simply put, when it comes to nails or screws, unless you are on an extremely tight budget (and expect to be able to have a maintenance budget later on) then nails are the best choice for you.