Frequently Asked Questions

Fort Worth clay expands when wet and contracts during drought, creating constant soil movement beneath slabs. Without proper subbase compaction depth, driveways settle and crack within two summers. Subgrade prep absorbs seasonal clay movement so the surface stays stable.

Mature tree roots push upward as they grow, buckling sidewalk panels from below. Wedgwood and North Fort Worth streets with established tree lines see this constantly. Root barriers installed during replacement prevent panels from heaving again within a few years.

Driveways need deeper compaction to support vehicle weight on shifting clay, while patios prioritize drainage slope to prevent water pooling during storms. Both require clay-specific mix design, but load-bearing requirements determine depth spec and reinforcement layout.

Stamped concrete holds pattern definition and color through Texas UV exposure without the cracking or settling natural stone experiences on clay soil. Stone shifts as subgrade moves; stamped surfaces stay flat when poured with proper subbase prep for Metroplex conditions.

Mid-panel cracking signals insufficient slab depth or missing control joints to absorb clay heave. Joints placed every four to six feet allow controlled cracking at predetermined lines. Without engineered joint placement, clay movement cracks panels randomly across their weakest point.

Pouring during peak afternoon heat causes plastic shrinkage cracking as surface moisture evaporates faster than the concrete cures. Morning or evening pours reduce cracking risk. Temperature-aware scheduling prevents surface defects that appear within hours of finishing.

Surface shrinkage cracks under a quarter-inch wide can be sealed; cracks from subgrade movement require full replacement because the base has failed. If multiple panels show heaving or the slab has settled more than an inch, replacement addresses the root cause.

Extensions use mix design and finish technique matched to the existing slab's color, broom texture, and control joint alignment. Color matching accounts for weathering on the original surface. Proper alignment makes the extension look poured together rather than patched on.

Grinding creates a textured profile that mechanically locks the overlay to the base slab. Acid etching cleans but doesn't add texture depth, so bond strength stays lower. On Texas slabs that shift seasonally, mechanical prep prevents overlay delamination.

Demo exposes the soil conditions that caused the original slab to fail — often uncompacted fill or clay with poor drainage. Post-demo evaluation identifies whether re-compaction, added base material, or drainage correction is needed before the new pour begins.

Caliche is a hardpan layer common in North Texas that resists moisture absorption and creates uneven bearing. Moisture conditioning softens caliche before pouring so the foundation settles uniformly. Without conditioning, differential settlement cracks foundations as soil adjusts unevenly.

Exposed aggregate and sealed broom finishes resist UV fading better than smooth troweled surfaces, which show discoloration faster under Texas sun. Slip resistance also matters for wet conditions. Finish selection balances aesthetics with durability for outdoor exposure.