How to Build Accurate, Clean, and Trouble-Free Footings: Tips From the Jobsite
(This is the first in a 10 part series. Credit: Akribis Leather. Luke Riemer, owner, was the framing contractor we hired for our build. The project consisted of a carriage house, garage extension with suite above, and renovation/expansion of the existing residence. All 3 phases of the project had some timber framing elements. Text below is a cleaned up transcript of the video above)
When it comes to concrete footings, precision matters. A small error in layout or rebar placement can echo through an entire build. Over the years, I’ve developed a set of habits and techniques that keep my footings accurate, square, and clean—without wasting time or materials. In this post, I’ll walk you through the process and share the jobsite tricks that make the biggest difference.
Start With Accuracy: Don’t Rely Only on Pins
Survey pins are a helpful reference, but they’re not infallible. Long rods can shift in the wind, ground conditions can move them, and they’re often not perfectly exact.
That’s why I always:
- Square everything myself
- Measure directly from the plan dimensions
- Use the pins as a reference, not gospel
This ensures the footing layout is true to the design, not just true to wherever the pins happen to be.
Avoid Common Layout Mistakes
When multiple sections of a foundation tie together—especially corners that run straight through to other walls—small layout errors become very visible. With overlapping lumber and tight tolerances, it’s easy to make inch-plus mistakes without noticing.
To catch issues early:
- Keep tolerances to ±¼ inch for level and square
- Verify every corner
- Use methodical lumber layout rather than measuring off uncertain points
If something is off, this process makes the mistake obvious long before the concrete shows up.
Lift, Spread, and Clean the Forms
After assembling the footing formwork, I install spreaders across the system to maintain spacing and rigidity. Once the forms are braced, I lift the entire assembly into place. Afterward, I remove the temporary internal lumber with a chainsaw or recip saw to leave a clean cavity for the pour.
This approach keeps everything aligned and reduces the chance of shifting during the pour.
Handling Tie Wire Without the Hassle
Carrying a full spool of tie wire around is a nuisance—it’s heavy and awkward. Instead, I partially unwind the spool, locate the end, and snip off manageable lengths.
A quick trick:
- Just pull out a bit of wire
- Twist gently with your fingers
- Clip a clean section
It’s simple, fast, and easier on your hands.
The “Funky Cross-Tie”: A Better Way to Lift Rebar
To keep rebar at the correct height while preventing lateral movement, I use a cross-tie technique:
- Lift the rebar roughly 1 inch above the bottom of the footing
- Drive in duplex nails as anchors
- Run wire across from one nail to the other
- Wrap the wire around each piece of rebar
- Tie everything off at the nails
This temporarily supports the rebar so it stays at the proper elevation and doesn’t sway or shift during the pour. It’s secure, predictable, and much cleaner than re-adjusting steel during the pour.
Why I Build Footings With 2x6 Lumber
Using 2x6s instead of wider boards has become my standard for a few reasons:
- They float over uneven ground better than wider stock
- They’re easier to reuse later in the project
- They create a lighter, more manageable form
Once the forms are set, I staple 6-mil poly to the inside walls. When done correctly, it prevents concrete from leaking under the boards and keeps the lumber clean and reusable.
Pro Tips for Working With Poly Sheeting
Corners take a bit of finesse. Here’s what works:
- Fold the poly cleanly and neatly
- Tack it down with a couple staples
- Add a staple into the stake below the footing to keep the poly tucked underneath
- Make sure no plastic can drift up into the concrete path
When pouring, toss a small amount of concrete outside the form to pinch down the poly and prevent seepage.
A Smarter Way to Brace Forms
Driving stakes deep into the ground is often a frustrating job—hardpan soil, rocks, roots, or frozen ground make it worse. A simpler technique is to order a little extra concrete and use it to create solid footing blocks for braces.
The trick:
- Throw down some off-cut lumber
- Pour a small pile of leftover concrete onto it
- Embed brace pieces strategically
- Let the concrete lock the braces in place
This method is fast, stable, and avoids fighting the ground.
Final Thoughts
Building footings may seem straightforward, but the details make all the difference. Tight tolerances, secure rebar, clean forms, and thoughtful bracing all contribute to a footing that pours smoothly and finishes beautifully. With careful planning and a few jobsite tricks, you can eliminate many of the headaches that typically plague foundation work.
