![]() ![]() ![]() The deck picture frame boards can’t be tilted one way or the other because the outer rim joists are not flush with the joists or the blocking in parallel joists is not flush with the top of the other joists. Picture framing a deck requires a good amount of attention to detail so the picture frame boards are in the exact same plane as the main decking boards. Minimizing the contact area between the decking and the support is also important. Where short pieces are needed to complete the deck picture frame, an additional support should be installed between the standard spacing. Generally, no composite board should be supported on less than three joists below. In this case, we needed to cut down the last 2 deck boards in the field to prevent the last board being only 3/4" wide. Notice the 45 degree miter cut in the corner. You may choose to continue the picture frame decking along the house wall. Step 5: Continue the Frame Along the House Wall Wood picture frame decking can be notched flush with the post. Leave a 1/8" - 1/4" gap for a picture frame with composite decking to allow for thermal expansion. Notch the picture frame border around rail posts. In this case, it is 2-1/4" because of the skirting and fascia boards that will be installed outside the frame below. Install the picture frame border with the desired overhang. Step 3: Run the Border Around an Angled Corner Install 2x4 material on top of the blocking around the perimeter of the deck for a fastening surface for the picture frame decking and to end fasten the field decking boards. Step 2: Prepare the Picture Frame for the Border You may be able to use scrap material for blocking. ![]() Install blocking 1-1/2" below the top of the frame along the sides of the deck at least 16" on center. How to Build a Picture Frame Deck Step 1: Install Support for the Decking Border When installing these, there are a few common installation practices to keep in mind. Depending on the design of the deck picture framing short deck boards may be required. This technique is also called deck picture framing or racetrack decking.īlocking must be installed between joists where the picture frame boards will be parallel to the joists. Many will crack and split, and some will cup.Īn effective method of finishing a deck surface is to install a trim board around the perimeter of the deck. The exposed end grains of wood deck boards can begin to look pretty rough over time. ![]()
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