How Do You Screw into Composite Decking

Henry A
How to
Screw into Composite Decking

Woden deck

You will need to fasten the decking properly to ensure safety and structural integrity. If done incorrectly, it can cause many accidents. If it’s your first time installing ultra decking, you may want to know how to do it. Here are a few things that can help you screw into composite decking.

What Tools Do You Need?

In many ways, composite decking is similar to wood decking. To install composite decking, you will need the same tools for wood decking. For screwing the frame and the boards, a power drill is a must. There are several types of power drills that you can use. In most cases, any one of them will work fine. Many will recommend using cordless drills for their versatility. Impact drivers are also a popular option for their power and efficiency.

Besides choosing which types of drills to use, you also need to select the appropriate drill bits. Lastly, you may want to check in with the board’s manufacturers for information on the right drills to use.

What Screws Should You Use?

There’s a wide variety of screws that you can use for your decking. While you can use traditional wood decking screws, it’s best to go with composite decking screws. Composite decking screws differ as they have smaller screw heads and specially designed threads for ease of drilling.

There are also various sizes and diameters of screws. Most of the time, #10 (3/16-inch width) screws with a length of 2 1/2 inches is the minimum for decking boards. As a general rule, when you drill the screws, they should reach at least 1/2 deep through the base material.

For the frame, you will need thicker screws, called structural screws, to support the decking. Structural screws often come in higher quality and are rust-resistant due to how crucial they are for the deck’s structural integrity. If you are building a decking attached to a concrete wall, you will also need concrete screws.

How to Drill Screws Into Deckings

screw into decking

When building a deck, you’ll be screwing things together most of the time, from constructing the frame to laying the decking boards. For this reason, you will need to know how to do it.

For the decking frame, you can use any drill of your choice and some structural screws. You will need to use post-to-beam connectors and joist hangers to screw beams and joists. Pre-drilling for decking frames is usually not necessary. However, many expert builders will recommend doing so. This prevents the boards from splitting.

After screwing the frame with the appropriate screws, it’s time to do the decking boards. Most composite decking boards require pre-drilling before driving them. However, several brands of composites no longer need it. You also need to countersink the screw holes first to prevent the screw heads from sticking out.

There are also several varieties of decking boards. Grooved and hollow decking boards make use of hidden clips and fasteners. For these boards, pre-drilling and countersinking are often not needed.

Follow the Instructions

As easy may it seem, properly screwing decking frames and boards is crucial. While you can drill composite decking the same way as wood decking, there are several things you need to consider. For your safety, it’s always recommended to follow the guides provided by the board’s manufacturers. You can learn more about what types of drills and drills you can use. It’s also important to follow your local building regulations.


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