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square edge composite decking

Square-edge decking boards are solid composite decking materials with no grooves. There are no side grooves on the decking board’s sides. So, how do you install square edge composite decking?

It will make the installation easier by using screws directly, and the accessories will be less expensive. As a result, many people still choose this form of decking. You may have wondered how to install edge-boards if you’re building a deck with them. Here’s how to put these boards together to make your dream backyard patio.

Select a Fastening Method

On the boards, you must decide which type of fastening mechanism to utilize. You have a few possibilities with grooved decking boards, unlike grooved decking boards. Here are a few examples:

Stick to the tried and true way.

The use of nails and screws is one of the most frequent methods of mounting solid-edge decking boards. While this is the most common method of mounting WPC boards, it has a few drawbacks.

There will be exposed nail and screw heads as a result of this procedure. Because some of the clients were quite particular about it, COOWIN was able to provide the same color screws to fix the problem.


If you don’t like the look of exposed screw and nail heads, you can cover them with plugs. On face-mounted boards, you’ll need to use countersink screws for this. Plug the holes with the same WPC material powder as the board you’re using once you’ve drilled the screws. While you may do this task on your own, there are kits available that include entire sets of screws and plugs. The camo hidden fastening mechanism is one example.

Obtain a Fastener That Isn’t Visible

Hidden fasteners made for ungrooved boards are another option for installing solid-edge composite boards. However, compared to ungrooved decking boards, your alternatives will be limited. You can, however, double-check the details with a local expert woodworker.

Make your own grooves.

You can make the grooves on the boards yourself if you have the time and the proper tools. You can then utilize one of the many hidden clipping systems for grooved decking boards.

The advantage is that the screws and nails will not be visible again. However, the disadvantage is that it would compromise the structural integrity of the WPC board, reducing its lifespan and guarantee.

Installing composite decking with a square edge

It’s time to start building the deck now that you’ve decided on the board fastening mechanism. The steps for building a deck are outlined below.

Let’s have a look at how to install square edge composite decking:

Step 1: Prepare the ground

First and foremost, you must create and plan your deck. Then you must prepare the space where the deck will be built. Measuring and labeling the area, as well as clearing it of garbage and grass, are all part of the preparatory process. You’ll also need to mark the board’s height on the house’s foundation wall.

Step 2: Lay the Groundwork

After that, you’ll need to dig holes for the deck’s foundation. Most builders additionally lay down landscaping fabric and gravel on the ground. Installing post footers is a part of this preparation.

Step 3: Create a Frame

Following the installation of the post footers, the beams and joists must be installed. You might wish to use strengthened brackets to keep them in place. Maintain adequate joist spacing, as this has an impact on the overall function of the deck.

Step 4: Put the decking boards in place.

Install the boards starting on the side closest to the house, using the attaching mechanism of your choosing. Depending on the fasteners you’ll be utilizing, the procedure will vary. Continue until the last board is installed. If necessary or desirable, install a fascia.

Step 5: Add deck railings and other finishing touches.

Install the deck railings last. Depending on the sort of railings you choose to utilize, the process may differ. Different decorations, like pergolas and staircases, can be added to your board.

COOWIN provides a complete set of decking accessories while also manufacturing outdoor WPC fences, pergolas, and other outdoor WPC structures, allowing for one-stop shopping.

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