How to Install a Butt Joint/Seam with the Trex Hideaway® Butt Joint Clip

Step 1: Place the First Clip

Place the first Butt Joint Clip over the open single joist and slide it firmly into the grooved edge of the adjacent deck board.

Step 2: Install the First Clip

Using a T15 drive bit (provided), install the screws on each side of the clip into the joist. Be careful not to over drive the screws into the clip.

Step 3: Trim the Deck Board Ends

Each of your boards may have slightly different ends when you purchase them. Using a circular, miter, trim factory ends of boards, up to 3/16". This ensures a uniform butt joint. Take a moment to test the two ends of your boards against each other for a clean fit.

Step 4: Confirm Span

Deck boards must span a minimum of three joists. Make sure each of your boards is the right length before placing them on your clips.

Step 5: Place the Deck Boards

Center the two board ends over the joist, following the end-to-end or butt joint gapping recommendations in the Trex installation guide. Then push both boards firmly onto the Butt Joint Clip so that the open wing of the clip is fully seated in the grooved edge of both boards.

Step 6: Place and Install the Second Clip

Place the second Butt Joint Clip over the joist and slide it firmly into the grooved edge of the previously placed boards. Using a T15 drive bit, install the screws on each side of the clip into the joist. Be careful not to over drive the screws into the clip.

You're now ready for the next deck board. For help fastening your deck boards, explore our guide How to Fasten Trex Enhance® Decking.