I’m always looking out for the next innovation in this industry. Usually, that’s a new tool or software or railing system—not exterior deck framing. That’s why I was eager to try out FastenMaster’s Icon ScrewJoist deck substructure system when I was introduced to it last year. Using the same tools we always use for framing, we found that the Icon joists install faster than standard framing and require less hardware. And unlike steel framing, which has a different learning curve, framing with Icon joists is similar to framing with standard PT lumber.An Icon joist has an open web with 2x4 KDAT (kiln dried after treatment) PT framing members on the top and bottom and structural screws on angles in the web. When I pick up a 16‑foot 2x10 PT board, chances are it’ll have a twist, a crown, or a bow; in contrast, a 16-foot Icon joist is straight and flat. The other thing I like about it is its weight: I can pick up a pair of 16-foot Icon joists—one in each hand—and carry them around. Try that with traditional framing
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