We tell you which cracks are worth fixing and which ones mean the slab is done.
Most repair calls we take in Parker land on the same fork in the road. You've got concrete that isn't right, and somebody has to decide whether patching it is a fix or just renting time. We give you that answer before we give you a price. Sometimes the answer is that we'd walk away from the job if the house were ours.
Here's how we think about it. Repair works when the ground under the slab is still doing its job and the damage sits inside a boundary we can cut out and rebuild. Repair fails when the concrete is moving, when a filled crack keeps reopening, or when the top layer has broken down across the whole panel. Three different problems. Three different answers. Nobody should sell you the same one for all three.
Cracks aren't all the same animal. A tight line running out from the corner of a garage door is usually shrinkage, and it quit moving years ago. A crack with a lip, one side riding higher than the other, is telling you the ground under half of that slab is doing something the other half isn't. And a crack that comes back every spring after you fill it isn't really a crack problem. It's a base problem wearing a crack costume.
So we measure instead of guessing. Width at three points along the break, offset across it, and whether the edges are clean or crumbling. Clean edges with no offset means the concrete is healthy and the work is cosmetic. Crumbling edges mean water has been getting in and freezing, so the repair has to reach past the surface. Offset means we stop talking about patching and start talking about what's underneath.
| What you're looking at | What we'd do | When we'd tell you no |
|---|---|---|
| Tight cracks under an eighth of an inch, edges clean | Rout to a clean V and fill with a flexible sealant | Nothing to skip. This is maintenance and it's the cheapest concrete money you'll spend. |
| Spalling around a garage apron or a step nose | Saw a square edge, chip out the loose material, bond and place a partial-depth patch | If the spalling covers most of the panel, patching leaves you with a quilt. |
| Scaling across an entire slab surface | Grind the surface and bond an overlay | If the slab is cracked all the way through, the overlay cracks right along with it. |
| One panel sitting low, everything around it at grade | Raise the panel instead of patching the lip | If it's broken into loose pieces there's nothing solid left to lift as a unit. |
| A crack that reopens every spring after filling | Stop repairing and go find out why | Filling it a third time is money you're spending twice on purpose. |
Send a photo with a tape measure laid across the crack. You'll get a straight answer from us before anyone schedules a truck.
Patch material has the same enemy fresh concrete does. Cold slows the bond, and a patch that cures poorly at its edges shells off the first time a shovel blade catches it. Crack routing and joint sealing run well into November because those products tolerate cool air. Partial-depth patching is fussier and wants daytime temperatures holding in the fifties for a couple of days running.
Spring is our heaviest repair season, and there's a plain reason for it. Winter is when hidden damage announces itself. Water sits in a crack, freezes overnight, and pries the edges a little further apart, night after night, at an elevation where the freeze-thaw count runs high. The hairline you shrugged at in October is a quarter inch wide and crumbling by April. Seal it in fall instead and you've spent almost nothing.
Summer storms get the same respect we give a pour. A cell building over Parker while a patch is still setting works moisture down into the fresh surface, and what shows up months later is a chalky top that sweeps away. We cover, or we come back tomorrow. Stroh Ranch and The Pinery send us most of this work. Clarke Farms sits in the middle, where a targeted repair still buys real years.
The calls in the older parts of town are almost always the same three feet of concrete. Second panel out from the front door, cracked, lipped. Nine times in ten there's a downspout beside it that's been dumping in that exact spot for decades.Our crew lead, after the walkthrough
Still unsure about something?
Call the crew at (303) 569-4046 and we will talk it through.
Get a free, no-obligation estimate from a crew that knows Colorado soil, Colorado weather, and how to finish concrete that lasts.
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