![]() ![]() While these preservatives do a great job preventing your deck from rotting, they will also corrode ordinary metal screws, ultimately resulting in the structural failure of your deck. Today’s pressure-treated lumber is made using two copper-based wood preservatives. It is important that you use galvanized, stainless steel, or wood deck screws for treated lumber. The type of decking material you are using will also determine the type of screws you need to buy. So, for this project, you will need either galvanized screws or corrosion-resistant screws to prevent rusting. What kind of screws is appropriate for securing deck boards? How long should they be? What color? Are screws for pressure treated wood different than screws for composite materials? What if you don’t want your friends and family to see those unsightly screw heads when they come over for that barbecue next week? First, remember that you need screws that are for exterior use. ![]() What at first might seem like a simple task, can quickly seem quite complicated. Walk down the hardware aisle of any home improvement store, and you’ll quickly find that there are dozens of types of screws for all manner of projects. This makes screws the better choice for this project, but only if you choose the right ones. Screws, on the other hand, are much more likely to hold boards in place because they are threaded. This will eventually cause deck boards to come loose, creating a need for constant maintenance. Over time nails tend to work their way back out of the wood. However, there is a downside to using nails to secure decking. Nails will do the job, and with the use of a framing nailer, can make the job go much more quickly. Many people use nails instead of screws to secure their deck boards. Three screws should be used to secure the decking to rim joists. You should use two screws at each point that the deck board crosses a joist to hold the boards firmly in place. The deck’s screws are the only things standing in the way of the elements wreaking havoc on your deck, so you need to use the right amount. Deck boards are exposed to all kinds of extreme weather conditions that make the boards prone to warping, cupping, and crowning. ![]()
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