Cornerstone Concrete Commercial Division
Structural crack repair, control joint replacement, spall repair, and surface rehabilitation for parking structures, warehouse floors, and commercial slabs. Weekend work available. We diagnose root cause — not just surface symptoms.
What Is It
Commercial concrete repair is fundamentally different from patching a residential driveway. The scale, load requirements, and operational constraints of a commercial facility demand repair methods that restore structural performance — not just cosmetic appearance. A patch that fails under forklift traffic six months later costs more in downtime and re-mobilization than the original repair.
We start every commercial repair assessment with a diagnosis: what caused the damage, and has the underlying cause been addressed? A crack caused by subbase failure will re-open within months if the subbase is not stabilized first. Surface spalling from deicing chemical attack will recur if the same chemicals continue to be used. We repair the problem, not the symptom.
Control joint failures are among the most common commercial repair calls we receive. Industrial floors are jointed to control where cracks form — but when joints are not cut deep enough, cut too late in the curing cycle, or sealed with an incompatible material, the joint fails and cracks propagate randomly across the slab. We rout and re-seal failed joints with semi-rigid polyurea, which bridges the joint while allowing controlled movement and resisting forklift wheel impacts.
Surface spalling repair in commercial environments requires bonding agents and cementitious repair mortars that are rated for the traffic loads on your facility. We do not use commodity patching products that are not appropriate for industrial environments. Products are selected based on traffic type, chemical exposure, and whether the repair will interface with a coating system.
Is This Right For You
Our Process
Repair vs. Replace
| Condition | Repair Likely Appropriate | Replacement Likely Required |
|---|---|---|
| Crack coverage | Under 20–25% of slab area | Over 40% or structural through-cracks throughout |
| Slab thickness | Adequate for the load; just surface damage | Original slab too thin for current use case |
| Subbase condition | Stable — movement has stopped | Active settlement continuing — repair will re-fail |
| Flatness | Localized low spots — grind or overlay possible | Slab-wide out-of-tolerance — full replacement needed |
| Chemical contamination | Surface-only; bondable substrate beneath | Deep contamination compromises full slab section |
| Budget & timeline | Repair returns facility to service faster and cheaper | Replacement is only long-term economical option |
Common Questions
We'll walk the floor, diagnose the damage, and deliver a repair scope and cost proposal — typically within 48 hours of site visit.