Mechanical footings.Performance begins below the surface.
A deck is only as good as what it's built on. We build on mechanically driven footings — a stronger, cleaner, more predictable foundation than poured concrete, from day one.
The decisions that matter most are the ones you can't see.
Helical piles & ground screws · Engineered load-bearing · Part of the LeBlanc Deck System
A deck is only as good as what it's built on.
Everything you'll see rests on something you won't.
Most decks rely on traditional poured concrete. We use mechanical footings — mechanically driven deep into stable soil for immediate, engineered load-bearing and long-term structural consistency, without depending on concrete curing or surface conditions. It's the quietest decision on your project, and one of the most important.
Two ways to hold up a deck. One we trust.
Poured concrete works — but it introduces variables we'd rather engineer out. Here's the honest comparison of how each performs, from install day through the decades that follow.
The conventional approach
- –Cure time before you can build. The schedule waits on the concrete.
- –Open holes and inspection delays. More steps, more site exposure, more waiting.
- –Depends on surface conditions. Performance is tied to how the pour goes.
- –Posts can sit near ground moisture — the enemy of anything wood.
- –More site disruption — spoils, mess, and heavier cleanup.
Mechanical footings
- ✓Immediate load-bearing. Driven into stable soil — no waiting on concrete to cure.
- ✓No open holes, no inspection delays, no curing time. A cleaner, faster path to a finished deck.
- ✓Engineered consistency that doesn't hinge on surface conditions.
- ✓Posts stay elevated and protected from ground moisture — no wood touches the ground.
- ✓Cleaner installation with far less disruption to your yard.
Advanced foundation systems.
Mechanical footings — helical piles and ground screws — are mechanically driven deep into stable soil, providing immediate load-bearing support and long-term structural consistency.
Because they don't rely on concrete curing or surface conditions, we can build with confidence from day one and stand behind the structure for the long haul. When site conditions allow, they're our preferred foundation.
The advantages you'll feel for decades.
This foundation approach is what lets us build with confidence — and stand behind our work.
Faster installation
No waiting on concrete to cure — the build keeps moving.
Stronger, more stable
Driven into stable soil for immediate, engineered load-bearing.
Long-term consistency
Structural performance that holds up year after year.
Cleaner site
Far less disruption, mess, and cleanup than a poured foundation.
Protected from moisture
Posts stay elevated — no wood sitting in ground moisture.
No holes, no delays
No open holes, no inspection delays, no concrete curing time.
No wood touches the ground.
That's not a slogan — it's engineering.
Ground moisture is what quietly ends most decks. By keeping structural posts elevated on mechanical footings, we take the deck's biggest long-term enemy out of the equation before the first board goes down.
Engineered as one structure — not a bolt-on upgrade.
Mechanical footings are fully compatible with our framing, decking, and railing standards. When site conditions allow, they're built in as part of a complete structural system — footings + structural framing + mineral-based decking — rather than a standalone add-on. Our standard frame is KDAT lumber; where a build calls for it, we frame in non-wood systems instead — steel, Owens Corning® Structural Lumber (fiberglass-reinforced), or aluminum — used across joists, beams, posts, and stair stringers, each immune to rot, rust, and insects. That full system is exactly what earns our transferable 3-Year Workmanship Warranty. The foundation isn't where we cut corners; it's where the whole deck's future is decided.
See how the whole system comes together. The LeBlanc Difference →
The right foundation for your site — not a one-size answer.
We lead with mechanical footings because they're the better system when conditions allow. But we won't force them where they don't belong.
Mechanical footings aren't appropriate for every site. The correct foundation — mechanical footings or, where conditions require it, poured concrete — is determined during your consultation and site evaluation, guided by performance, soil conditions, and long-term durability. Either way, it's engineered for your project, and we tell you exactly why.
Engineering you can't see, in results you can.
“Very nice work and beautiful details! These guys really know what they're doing!”
Build on a foundation that's engineered, not assumed.
Tell us about your space. We'll evaluate your site, recommend the right foundation, and build the whole structure to the standard that earns our warranty. No pressure, no obligation.
Start with a short form — we'll review your project and reach out. Serving Knoxville & East Tennessee · Licensed & insured · 3-Year Workmanship Warranty
Engineered outdoor structures built for long-term performance. · Knoxville & East Tennessee · Lic #79196