Rock-solid foundations engineered for Texas clay soil
Rock-solid residential foundations, garage slabs, and shed pads engineered to North Texas expansive clay soil requirements.
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Every great structure starts with a great foundation. Concrete Commandos pours residential foundations, garage slabs, shed pads, and monolithic slabs engineered specifically for North Texas expansive clay soil — the #1 cause of foundation failure in the region.
Our process begins with a soil assessment and, when required, a geotechnical engineer's recommendation. We excavate to the correct depth, install a vapor barrier, and lay out a rebar grid sized to the load. For garage slabs and driveways we use a 4000-PSI mix; for foundations we follow engineer specs to the letter.
We handle permit pulls through the city and surrounding municipalities, schedule inspections, and deliver a slab that passes the first time. Whether it's a 400-square-foot shed pad or a full house foundation, the standard is the same: built right, built to last.
Every material is selected for durability, code compliance, and performance in the North Texas climate.
For garage slabs and shed pads we use a 4000-PSI high-strength mix. For house foundations, the mix design is specified by the geotechnical engineer — typically 3000–4000 PSI with specific slump, air content, and aggregate requirements tailored to your soil report.
Rebar size and spacing are determined by the engineer based on load requirements and soil conditions. For garage slabs we typically use #3 rebar at 18-inch on-center; for house foundations, #4 or #5 bars at engineer-specified spacing. This is the structural backbone that resists the bending forces of expansive clay.
A 6-mil or 15-mil polyethylene vapor barrier installed beneath the slab to block ground moisture from migrating upward through the concrete. Essential for interior slabs and garage floors to prevent efflorescence, moisture damage, and mold.
A compacted base layer (4–8 inches depending on application) at 95% Proctor density. For foundations on expansive clay, the engineer may specify select fill or stabilized base to create a uniform, load-bearing substrate.
Asphalt-impregnated fiber or foam expansion joints placed at garage door openings, where the slab meets existing structures, and at calculated intervals. These absorb thermal expansion and prevent stress cracking.
A liquid membrane-forming compound sprayed onto the fresh concrete to retain moisture during the critical early cure. This prevents rapid surface drying and shrinkage cracking in the Texas heat, ensuring the slab reaches its design strength.
A clear, phase-by-phase breakdown so you know exactly what happens and when.
Soil evaluation and, for foundations, coordination with a geotechnical engineer for a soil report. Engineer specifies depth, reinforcement, mix design, and any special sub-base requirements.
We submit plans and pull all required permits through the city or municipality. Inspection dates are scheduled in advance to keep the project on timeline.
Excavation to specified depth, installation of select fill or flex base, compaction to 95% Proctor density, and vapor barrier placement. Grade is checked and verified.
Rebar tied to engineer specs, forms set to exact grade, and the city pre-pour inspection is scheduled and passed before any concrete is ordered.
Concrete is poured, screeded, and power-troweled. Curing compound applied. The final city inspection is scheduled once the slab is set. Full design strength at 28 days; framing loads typically safe at 3–7 days.
Transparent pricing factors so you can plan your budget with confidence. Your free estimate covers every detail.
Garage and shed slabs run $6–$10 per square foot. House foundations vary widely ($8–$20+ per square foot) based on engineering requirements, soil report, and structural complexity.
Expansive clay may require over-excavation, select fill import, or a thicker slab — all of which increase cost. A soil report (typically $1,500–$3,500) is often required for house foundations.
Engineer-specified rebar size and spacing directly affect cost. #4 or #5 rebar at tight spacing for heavy-load foundations costs more than standard #3 grid for garage slabs.
City permit fees vary by municipality and project scope — typically $200–$1,000 for residential slabs. We handle all paperwork and include this in your estimate.
Demolition of existing structures, tree removal, significant grading, or difficult truck access (requiring a pump truck) adds $1–$4 per square foot.
Standard garage slabs are 4 inches. Upgrading to 5–6 inches for heavy vehicles or RVs adds $1–$2 per square foot. Larger slabs benefit from economies of scale on concrete delivery.
Every project is unique. Call 214-301-3463 or request a free estimate for a detailed, itemized quote.
We evaluate soil conditions and, for foundations, coordinate with a geotechnical engineer to determine depth, reinforcement, and mix design.
We excavate to the specified depth, compact and level the sub-base, and install a vapor barrier to block ground moisture.
Rebar is tied to engineer specs, forms are set to exact grade, and we coordinate the city inspection before the pour.
Concrete is poured, screeded, and power-troweled to a smooth finish. We schedule the final inspection and provide documentation.
We deliver foundations & slabs throughout the DFW northern corridor.
Serving homeowners across Collin County and all of North Texas.
Get a free, no-obligation written estimate. Same-week site visits available.
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