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Calculate and Measure Post Cut Lengths

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The best way to level deck posts

What happens here

Once all footing heights are marked on the story pole, lay the story pole flat on a stable surface near your cutting station. The builder explains that the deck structure requires 1 inch for decking, 9 inches for joists, and 9 inches for the beam, totaling 19 inches from the established "DOOR" sill height to the top of the footing. To determine the precise cut length for each 6x6 post, use a tape measure to measure the distance from the "DOOR" mark to each individual footing mark (e.g., "1", "2", "3") on the story pole. This measured distance on the story pole directly indicates the length of the 6x6 post required for that specific footing to achieve a perfectly level deck. For example, if the distance from the "DOOR" mark to footing #1's mark is 6 and 5/8 inches, then the 6x6 post for footing #1 needs to be cut to 6 and 5/8 inches plus the 19 inches from the beam/joist/decking above the footing. Repeat this measurement for each footing mark, ensuring each 6x6 post is cut to its unique, precise length.

Goal: Measure the exact height for each deck post.

Tools and materials

  • 2x4 Wood — The story pole
  • 6x6 Posts — The lumber to be cut to specific lengths for supporting the deck
  • Pencil/Marker — Marking the story pole or posts
  • Tape Measure — Measuring distances on the story pole

What they say

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how high. Now, we got all of our heights marked out on this story pole. We've got our door right there. All of our footings marked there. Now, we've got inch of decking, 9 in for a joist, 9 in for a beam, that's 19 in. That's how we need to figure this out. So, make it even easier, I'm going to measure from our door to this mark right here. That's like our our control point. And now, all we need to do, measure from here 6 and 5 in to to footing number one. That's how long the 6 by needs to be. Number two's right here. We got 11 and 3/4. Number three, how long you ask? 13 and 1/2. Boom. Simple as that. We got the story right here, just waiting to be told. And I guess I'm the author. I'm like Ernest Hemingway or uh The Great Gatsby. I don't know. Uh

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