Pool decks settle more than almost any other slab — backfill, constant water, and Utah freeze–thaw see to that. How foam and mudjacking level pool decks, fix coping lips, and what it costs.
Of all the concrete on your property, the pool deck has the hardest life. Three forces work against it:
The result is the classic pool deck profile: sections dropped an inch or two, coping lips where the deck meets the pool edge, and drainage that now runs toward the pool instead of away from it.
A coping lip or a raised joint that would be a minor annoyance in shoes is a real hazard on bare feet — and pool decks are used almost exclusively barefoot, by kids running. A trip edge at the pool is the highest-liability few inches of concrete you own.
A deck that now slopes toward the pool sends dirty runoff, lawn chemicals, and debris straight into the water every time it rains. You'll spend more on chemicals and cleaning — and the water undermining the deck edge keeps the settlement going.
When the deck drops away from the coping, the gap collects water and debris, looks bad, and creates a sharp edge. Lifting the deck back to the coping usually closes it — but if the coping or pool shell itself has moved, that's a pool contractor's repair, not a lifting job.
Low spots that hold water stay slippery, grow algae, and in winter become ice sheets. New pooling on a deck that used to drain is one of the most reliable signs of settlement.
Both methods lift pool decks, but foam has genuine advantages in this specific application:
| Factor | Mudjacking | Polyurethane foam |
|---|---|---|
| Cost | $3–$8 per sq ft | $5–$25 per sq ft |
| In wet soil | Slurry can erode if water keeps flowing underneath | Waterproof — won't wash out, ideal around pools |
| Weight on backfill | Heavy — backfill already failed once | Lightweight — won't reload soft fill |
| Hole size on finished deck | 1–2 inches | ~5/8 inch — discreet |
| Back on the deck | Several hours before traffic | 15–30 minutes |
The waterproof point is the deciding factor for most pool owners: the material will live in wet soil permanently, and foam is the only option that can't wash out. Mudjacking still makes sense for large decks where the budget is the priority — the per-foot savings are real. Our full comparison walks through the trade-off.
A pool deck lift follows the standard five-step process, with pool-specific details:
Most pool deck jobs finish in a single day, and swimmers only need to stay off the active work zones — the pool itself stays open.
Standard slab pricing: $3–$8 per square foot for mudjacking, $5–$25 for foam, with most residential jobs between $500 and $3,000 total. A 200-sq-ft deck section runs roughly $500–$1,000 with mudjacking or $1,200–$2,400 with foam. Larger decks scale with square footage, and the contractor's $300–$500 minimum applies to small sections. The cost guide has complete tables — and if your number isn't covered there, get a written quote rather than guessing.
Pool decks will always live in wet soil, so maintenance matters more here than on a driveway:
Pool decks usually sit on backfill — the soil excavated for the pool was put back around it, and if it wasn't compacted in lifts, it settles for years. Add constant water exposure from splash-out and rain, plus Utah's freeze–thaw working every joint, and pool decks are among the most settlement-prone slabs on a property. See why Utah concrete settles.
Foam is usually the better choice near pools: it's waterproof so it won't wash out in constantly wet soil, it's lightweight so it won't reload the soft backfill around the pool shell, and the 5/8-inch holes are discreet on a finished deck. Mudjacking works on larger decks where budget is the priority ($3–$8 per sq ft vs. $5–$25 for foam). Compare both in our method guide.
Often, yes — a settled deck section pulling away from the coping can usually be lifted back to meet it, closing the gap and eliminating the trip edge. If the coping itself has shifted or the pool shell has moved, that's a pool contractor's job, not a lifting contractor's. An honest assessment will tell you which one you're dealing with.
No. Cured polyurethane foam is inert and waterproof — pool water, chlorine, and salt systems don't break it down. That's one of the reasons foam is the standard recommendation for pool decks: the material lives in wet soil permanently without eroding.
Same pricing as any slab work: $3–$8 per square foot for mudjacking, $5–$25 for polyurethane foam, with most residential jobs landing between $500 and $3,000 total. A 200-sq-ft deck section runs roughly $500–$1,000 with mudjacking or $1,200–$2,400 with foam. Larger decks scale with square footage — get a written quote. Full cost guide here.
Yes, usually. The crew works on the deck, not in the water — you'll just need to keep swimmers off the sections being lifted for a few hours. With foam, the deck is usable 15–30 minutes after injection; with mudjacking, plan on keeping traffic off for several hours. Most pool deck jobs finish in a single day.
Yes — restoring the original grade is the whole point of the lift. A deck that now slopes toward the pool (sending dirty runoff and chemicals' worth of debris into the water) can be re-graded to drain away from the pool. Confirm the target drainage direction with the contractor before pumping starts; it's part of the assessment.
Related reading: Polyurethane foam leveling · Concrete lifting cost guide · How long does concrete lifting last?
Describe it — a local specialist will assess the deck, check the coping, and quote the lift in writing.