(303) 569-4046 Serving Denver & the Front Range Licensed, Bonded & Insured
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Pool Decks in Lakewood, Colorado
Lakewood, Jefferson County

Lakewood Pool Deck Contractors

Most pool decks fail in the ring of disturbed dirt nobody thinks about after the shell goes in.

To put a pool in your yard, somebody dug a hole considerably larger than the pool. They had to. Forms, hoses, and people needed room to work between the shell and undisturbed ground. When the shell was done, that gap got filled back in, and how carefully it got filled is the single biggest factor in what your deck does over the next ten years.

We get called out to decks that cracked and dropped in a band a few feet wide, running parallel to the water, while the concrete farther out sits perfectly flat. Homeowners assume the pool moved. The pool didn't move. The backfill compressed, and the deck spanning it went along for the ride. Everything we do on a deck build starts down in that ring, because a beautiful finish over loose fill is just a nicer looking failure.

Five zones under a pool deck

One slab, several different things underneath it
ZoneWhat's down thereHow we prep it
The backfill ring against the shellMaterial dropped back in after construction, often in deep uncompacted liftsRe-excavate what won't compact, refill in thin lifts, compact each one, then base over the top
Plumbing and conduit trenchesLoose spoil that settles on its own timeline for yearsCompacted backfill and steel carried continuously across the trench line
Native ground beyond the excavationUndisturbed clay on the flats, or rock and thin soil closer to the foothillsScarify, moisture condition, compact, and build base to a consistent depth
The equipment pad cornerUsually the same fill as the ring, with vibration on top of itExtra base depth and a thickened slab edge, since pumps and heaters run for years

Where the water goes once it leaves the deck

Drainage is the second half of the subgrade conversation, because water is what turns marginal fill into a void. Our target is a steady fall away from the water across the whole walking surface, verified with an instrument rather than a good eye. Where the yard fights that, and it does on plenty of Lakewood lots, we set deck drains at the low points and pipe them somewhere that makes sense. Anywhere except back toward the shell or toward the house.

Grade around here is genuinely different depending on which side of town you're on. Up around Green Mountain and the foothill edges, lots come with slope you can use, and the trick is keeping uphill runoff from crossing the deck at all, usually with a swale or a drain above the pool. Down on the flats near Belmar and Bear Creek, there's often no natural fall to work with, so drainage gets built rather than borrowed. Applewood's mature yards add roots and decades of irrigation, and Solterra's newer lots come with builder grading that sometimes sends more water to the back of the property than anyone realized.

2-3 fttypical width of the backfill ring around a shell
8"lift thickness we compact backfill in
6"compacted base under the deck slab
4"slab with #4 steel on chairs
Deck cracking in a line that follows the pool?

That pattern has one usual cause. We'll probe the fill, shoot grades, and tell you what it takes to fix it for good.

What we do below the surface before any concrete arrives

  • Probe the backfill ring to find out how deep the loose material actually runs
  • Remove and replace fill that won't take compaction instead of building on top of it
  • Compact in thin lifts with moisture content checked, not rolled once and called good
  • Bring base to consistent depth so the slab bears evenly from the coping out to the lawn
  • Set steel on chairs and run it continuously over trenches and fill lines
  • Compressible joint held at the coping, so deck movement never loads the bond beam
  • Place deck drains and piping before base goes in, with the discharge point agreed on
  • Fix roof and yard drainage that would refill the ring we just built

Finish, joints, and the season we'd rather build in

Traction is not optional around water. A steel-trowel finish photographs beautifully and becomes a hazard the moment a kid comes running out of the shallow end, so we won't pour one at a pool. A light broom is the honest default and it takes color well. Exposed aggregate gives outstanding grip at the cost of comfort on bare knees. A textured overlay can be dialed in if the substrate is sound. Whatever we use, joints get cut the same day and follow the deck shape rather than slicing across a curve.

Best window here is late spring through early fall, and the shoulder weeks are the smart booking, since the pool sits closed then and you give up no swim days. Summer pours start early so the finish is done before the afternoon cells build over the foothills. Cold-weather pours are possible with warm water and blankets, though frozen subgrade ends the conversation, and nobody should pay to have fill compacted in December.

Lakewood Pool Decks

Pool Decks in Lakewood

Still unsure about something?

Call the crew at (303) 569-4046 and we will talk it through.

Because that strip is the only part sitting on material somebody put back. Everything beyond the excavation line is native ground that has been there forever. The ring got backfilled during construction, often in a hurry and in lifts too thick to compact properly, and it kept settling afterward. Water finding its way in speeds it up. That's why the crack runs parallel to the water instead of randomly.

We build six inches of compacted road base under the deck as a starting point, and more over the backfill ring where the material below is questionable. Depth alone isn't the answer. Base only works if what's below it got compacted first, so hitting loose fill three feet down means adding base just floats the problem.

Then we build the drainage instead of borrowing it. Deck drains at the low points, piped to daylight or to an existing system, with the deck pitched to feed them. On a flat lot we may raise the deck slightly at the far edge so there's somewhere for water to go. What we won't do is pour a level slab and hope, because standing water at this elevation becomes ice, and ice beside a pool puts people on their back.

Controlled, and away from the water. We cover the pool surface during cutting and finishing, contain saw slurry with dams and a vacuum rather than letting it run, and wash tools well clear of the shell. Fresh cement slurry in a pool is a genuine problem for the finish and the equipment. It takes a little planning and it's a normal part of working around a filled pool.

More than most people guess, and on a rebuild it can be the largest single piece. Excavating bad fill, hauling it off, bringing in base, and compacting it in lifts takes time and machinery. It's also the part that's invisible when we're done, which is exactly why some bids come in low. If a number looks light next to the others, ask what it includes below the slab.

A snowblower works if you set the skid shoes high enough that the auger never touches concrete. Shovels are fine too. Ice melt is the one to skip, permanently, and magnesium chloride most of all. Those chemicals attack the paste at the surface and pool decks already get more chemical exposure than ordinary flatwork. Sand for traction, then rinse it off in the spring.

Yes. New concrete hasn't finished gaining strength or dried out, so the surface is at its weakest against freeze damage and chlorides. So no deicers at all that first season, keep the deck clear rather than letting drifts sit and melt repeatedly in the same spot, and wait on sealing until the slab has cured properly. After that first winter it's normal maintenance and a reseal every couple of years.
Finished concrete project at a Colorado home

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