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Install Doubled Outer Framing and Joists with Crown Up

4:43
8:47
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At 4:43 in

How to Build a deck- DIY Style -in 3 days Step by step Beginners guide

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What happens here

The outside framework of the deck, known as the rim joist, should always be doubled up for added strength. When cutting these pieces, aim for efficiency by making 'flush' cuts where one board serves as a guide for the next, minimizing waste and ensuring consistency. When installing joists, ensure they are placed with the 'crown up'. This refers to placing the slightly bowed edge of the board facing upwards, as it will naturally flatten under load. Finally, securely attach the doubled-up framing to the notched posts using 5.5-inch anchor screws. An impact driver is highly recommended for driving these long screws, making the process much easier and more efficient than using a standard drill.

Goal: Construct the robust outer frame and install joists with proper orientation.

Tools and materials

  • Impact Driver Makita — Driving anchor screws
  • Miter Saw Makita — Making precise cuts for framing boards
  • Tape Measure — Measuring boards
  • 5.5-inch Anchor Screws — Attaching framing to posts
  • Outer Framing Boards Treated Lumber — Doubled rim joists

What they say

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some space while you're working. The outside framework of the deck always gets doubled up, but Frankie has a special way of doing that. Okay. All I do is flush your end. So, we only got to make one cut. So, we're looking at the corner and do you see how he's got this crisscrossed in, out, in, out. That gives it a lot of extra strength. Joyce should have one the crowns one way. The crown up, right? Yep. So, Frankie is trying to explain it to me what a crown is. Like a banana with the with the arch of the banana. You always put the crowns up on your structure. So now that it's double framed, the entire thing gets attached to the post using 5 and 1/2 in anchor screws. So he's now attaching the double framing into the post below it. As you can see, that impact makes it just like silk going in there. Silky. Like I said, I've never used an impact before until uh I start using this one. And like I say, I would definitely uh invest in a impact instead of using a drill to put them in. There's no comparison, is there? No, none at all.

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