You notice the mulch on the lawn long before you notice the edging that let it go.
Nobody stands at the curb studying their bed edging. What you see from the street is the mess it stopped holding: a brown fan of mulch across the grass after the last hard rain, river rock scattered into the gutter, a bed line that used to be a crisp arc and now wanders like a dropped garden hose. The edging is still down there. It quit working a while back and the yard has been telling on it ever since.
Poured curbing fails in ways you can read from twenty feet away, and each symptom points at something specific below grade. We install curbing throughout Lakewood and get called to replace failed runs about as often as we get called for new ones. The pattern holds whether the yard is a tight mid-century lot near Belmar or a newer layout in Solterra.
Mulch on the lawn means the curb now sits lower than the bed material behind it. Either the run settled, or the beds got topped up three springs running and nobody accounted for the depth. Rock in the driveway says the same thing, faster and louder.
A wandering bed line means the edging never had side support. Poured curbing sits in a trench and leans on the soil either side, and if that trench was scratched into loose fill or cut too shallow, the run walks a little each freeze cycle until the arc turns into a wobble. A stripe of tall grass along one side means the mower cannot reach it, so the profile is wrong for how you cut. And a run broken into mismatched lengths had water under it that froze and lifted the pieces at different rates.
| What you can see | What is going on below | How we build that spot instead |
|---|---|---|
| A wave along a straight stretch | Trench cut shallow into soft fill with nothing packed beneath | Cut full depth, compact the bottom, pour on ground that stays put |
| Cracks every few feet with lifted edges | Water sitting under the run and freezing, with no joints to work with | Tool joints at set spacing, give trapped water a way out of the bed |
| The section at the driveway crossing dropped | Backfill along the drive edge that nobody compacted | Overdig it, rebuild the support, thicken the curb through the crossing |
| A stained, mossy stretch on one side | Sprinkler overspray or a downspout landing at the curb line | Move the head or the discharge, then pitch the bed so water leaves |
| Grass grown over the top edge | Profile too low or too round for a mower wheel | Run a flatter top at a height the wheel can track |
Tight curves are where the difference between crews shows up. An extruded run holds a surprisingly small radius in skilled hands, but the mix, the speed, and the hand work behind the machine all have to be right, or the curve comes out with a flat spot and a torn face. Around a small tree ring we sometimes hand-form instead. Slower, and we say so on the estimate.
Sprinkler lines are the other constant. On established yards, especially the older neighborhoods near Applewood and Bear Creek, the irrigation went in by three different hands over forty years and nobody left a map. We trench carefully, ask you to run the system so we can mark every head, and repair anything we nick. Heads inside the new bed line get raised or moved. Same for old plastic edging and the fabric under a decade of mulch. All of it comes out. Pouring against buried junk buys the same failure twice.
We walk the runs with you, price by the foot, and flag the spots needing extra work. (303) 569-4046.
A curb is a thin band of concrete with air on one side and loose bed material on the other, so it takes freeze-thaw harder than any slab on the property. Our answer happens below the surface: a trench with a compacted bottom, a run that is not sitting in a bathtub, and joints placed so the movement lands where we chose. Concrete cracks. Curbing is not exempt. The trick is picking the lines in advance.
Timing runs from the ground drying out in spring through October, and the smart move is to set curbing before the mulch, rock, and plants go in. Retrofitting into a finished bed means working around plant material and paying for the care that takes. On a full yard redo, we like to come after the irrigation and before the topdressing.
First season, go easy. Keep the mower wheel off the new run for a week or two, wait a few days before pushing rock up against it, and hold the bed material below the top of the curb so the thing can do its job. Keep deicer off any run along the driveway, that first winter especially.
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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