Joint Repair · San Antonio, TX
Concrete Joint Repair
Broken joints damage forklifts, slow down operations and keep spreading. We fill, rebuild and repair concrete joints and cracks in warehouses and commercial floors across San Antonio.
✓Joint Filling✓Spall & Crack Repair✓Minimal Downtime
What Is Concrete Joint Repair?
Concrete joint repair is cleaning out, rebuilding and filling the saw-cut joints in a concrete floor so their edges are supported and the surface is smooth again. Open joints get hit by every wheel that crosses them, and over time the edges chip and break apart.
Filling joints with the right material protects the edges, stops debris from collecting and gives forklifts a smoother ride. It's also a key step before polishing or coating a floor.
Forklifts Bumping Over Broken Joints?
Fix it before it damages equipment. We'll assess your floor for free.
Signs Your Joints Need Repair
1
Chipped Edges
Joint edges are breaking away, which is called spalling, and the damage widens with every pass.
2
Missing Filler
Old filler has cracked, sunk or pulled out, leaving the joint open.
3
Forklift Bumps
You can hear and feel the impact as wheels cross joints, which wears out tires and loads.
4
Spreading Cracks
Random cracks are running across the slab and collecting dirt and debris.
Our Joint & Crack Repair Services
The right repair depends on the type of joint and the damage.
01
Control Joint Filling
Semi-rigid epoxy or polyurea filler that supports joint edges under forklift traffic.
02
Spall Repair
Broken joint edges are cut back and rebuilt with high-strength repair material.
03
Crack Repair
Cracks are routed and filled to stop debris, moisture and further edge damage.
04
Expansion Joint Sealing
Flexible sealants for joints designed to move, where rigid fillers would fail.
Damaged vs Repaired
A flush, supported joint means a smoother ride, less equipment wear and edges that stop breaking down.
Our Repair Process
01
Assess
We walk the floor, map damaged joints and cracks, and identify joint types.
02
Clean Out
Old filler and debris are removed and joints are re-sawn to clean, sound walls.
03
Rebuild & Fill
Spalled edges are rebuilt and joints are filled with the right material.
04
Shave Flush
Filler is shaved level with the floor for a smooth, seamless transition.
Floors We Repair
✓Warehouses & distribution centers
✓Manufacturing plants
✓Retail & big-box stores
✓Floors being prepped for polishing or coatings
We can work in sections or after hours to keep your operation running.
Get a Free Estimate
Explore More Flooring Services
Joint repair is often the first step in a full floor upgrade at Modern Day Concrete. Explore related options below.
Stop Joint Damage Before It Spreads
Small joint repairs today prevent costly slab and equipment damage tomorrow. Get a free floor assessment anywhere in San Antonio.
Joint Repair FAQs
Why do concrete floor joints need to be filled?
Open joints leave the edges unsupported. Hard wheels like forklift tires hit those edges and chip them away over time. A properly filled joint supports the edges, keeps debris out and gives a smoother ride.
What's the difference between semi-rigid filler and flexible sealant?
Semi-rigid fillers are firm enough to support joint edges under traffic and are used in control joints. Flexible sealants stretch and compress, which suits expansion and isolation joints designed to move. Using the wrong one is a common cause of joint failure.
How quickly can the floor go back into service?
Fast-curing polyurea fillers can often take traffic within hours, while some epoxy fillers need longer. We'll pick a material that fits your schedule and tell you exactly when the area is ready.
Can you repair joints without shutting down operations?
Usually, yes. We can work aisle by aisle, in sections or after hours, so your facility keeps running during the repair.
Should joints be repaired before epoxy or polishing?
Yes. Damaged joints should be repaired first so the new floor system performs well and looks clean. We often handle joint repair as part of an industrial epoxy or polished concrete project.
Will the joints open up again after filling?
Concrete slabs can keep shrinking for months or years, so a thin separation may appear along a filled joint over time. This is normal and is usually fixed with a simple touch-up rather than a full repair.