FDZ Construction LLC

Concrete Patio Contractors in Norman, OK

Patios, garage slabs, and stamped concrete for Norman homeowners — built for Cleveland County's variable soil and the Canadian River corridor's drainage needs. (405) 458-4805.

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Norman Patios Fail at the Slab-House Joint

The most common Norman patio failure we see is the slab pulling away from the house — sometimes a hairline, sometimes a 1/2" gap that water runs into. It's almost always two things: missing or wrong reinforcement, and missing drainage detailing where the slab meets the foundation.

Norman's mixed sandy-and-clay soil amplifies the problem. The clay-heavy section swells and shrinks aggressively; the sandier section moves less. The patio twists differentially across its footprint and lifts away from the house wall at the worst point.

The fix is engineered reinforcement sized for actual conditions, a properly graded slope, and a sealed isolation joint at the house wall. We pour Norman patios that stay tight to the house for the life of the slab.

Norman Soil, Drainage, & Patio Spec

Norman patios share the same lot-by-lot soil variability that drives our driveway approach in the city. Sandier river-influenced lots and denser-clay sections — sometimes on the same property — make a generic patio spec a long-term risk.

Drainage gets specific attention on Norman patios because most are built right against the house. Standing water at the slab-house joint accelerates everything bad: foundation moisture, soil swelling, slab lift, and ultimately a gap that lets more water in. We grade every Norman patio to slope cleanly away from the house at a minimum 1/8" per foot.

On stamped patios, the same rules apply — base, reinforcement, drainage. The decorative finish is the last 10% of the job; the first 90% is what makes the patio last.

How We Build It Right

Site soil read

On-site evaluation of sandy vs. clay sections so the base and reinforcement match the actual lot.

Engineered base

Excavated to grade, compacted, then 4" of aggregate base compacted in lifts before forms.

4,000 PSI mix with rebar

Residential standard for Norman patios. Rebar on chairs at mid-depth, tied at intersections — not wire mesh.

Slope away from house

Minimum 1/8" per foot pitch away from the foundation, plus a sealed isolation joint where the slab meets the house.

Joint timing

Sawcut control joints within 24 hours, spaced 8–12 feet. Cut on time, sealed once cured.

Stamped finishes

Pattern, integral color, and antique release applied on site. Sealed once cured. Stamped, not just textured.

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Free on-site estimate, clear scope, written quote. Call (405) 458-4805 or Email FDZ Construction.

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Frequently Asked Questions

Why do Norman patios pull away from the house?
Almost always a combination of inadequate reinforcement and missing drainage detailing at the slab-house joint. Norman's mixed soil makes differential movement worse — the slab twists and lifts away from the foundation. We fix this with proper rebar sizing, slope to drain, and a sealed isolation joint at the house wall.
Should I use rebar or wire mesh for a Norman patio?
Rebar. Wire mesh controls shrinkage cracking and holds pieces together if the slab cracks — it doesn't add structural strength. On Norman's clay-influenced soil, rebar's tensile strength is what resists the soil movement pushing up against the slab.
How thick should a Norman patio be?
4 inches on properly prepared base is standard for residential patios. We bump to 5 inches if the lot has more aggressive clay or the patio will see heavier loads (outdoor kitchen, hot tub, vehicle parking).
How much does a stamped concrete patio cost in Norman?
Stamped concrete runs about $15–$22 per square foot installed in the Norman market. A 400 sq ft stamped patio typically runs $6,000–$8,800. Standard broom-finish patios run lower at $6–$10 per sq ft. Exact pricing after an on-site read.
Can you tie a new patio into existing concrete?
Yes — with proper isolation joints between the old and new pours so they can move independently. Bonding new concrete directly to old without an isolation joint guarantees a crack at the seam within a few seasons.

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FDZ Construction LLC is licensed, bonded, and insured in Oklahoma — 8+ years of experience serving the OKC metro, and every project is backed by a 2-year workmanship warranty.