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Application

Pool deck leveling

Pool decks sit on disturbed soil around the pool shell and are exposed to splash water, so settlement and gaps at the coping are common. Lifting can be an option for intact deck sections.

Why it settles

  • Backfill settlement around the pool shell
  • Splash and drainage water washing out fines
  • Leaks in pool plumbing
Conceptual section showing a settled concrete slab over a voidA blue-grey dashed datum marks the adjoining slab height. The central concrete panel sits lower above a void in the sub-base. Orange arrows indicate the potential lift direction; injection is considered only after assessing the slab and cause.FIG. 01 / SUBSURFACE SECTIONN.T.S.REFERENCE DATUM ─ 0001 / ADJACENT SLAB02 / SETTLED PANEL03 / SUB-BASE + SOIL04 / VOIDASSESS CAUSE BEFORE LIFTINGSECTION A—A
01 / Adjacent slab02 / Settled panel03 / Sub-base and soil04 / Void under panel
Conceptual illustration / not to scale / not a real project

Often suitable

  • Deck sections dropped at joints
  • Sections tilting toward the pool

Usually not suitable

  • Decks with suspected plumbing leaks not yet repaired
  • Decorative overlays that are delaminating

Risks, drainage and other considerations

  • Pool lines and electrical bonding must be located before drilling
  • A pool professional may need to be involved
  • Joint and coping seal replacement is commonly needed

Lift or replace?

Lifting keeps the existing concrete, so it makes sense only when that concrete is worth keeping. If it is broken up, deteriorated or heaved, replacement is usually the better route. See lifting vs replacement and what affects cost.

Check before you ask

Use the free slab self-check, the area calculator or the photo checklist, then send the summary with your request. See also the visual guides.

Questions

Can lifting damage pool plumbing?

Drilling near buried lines is a real risk, which is why locating plumbing and bonding first is essential. Discuss this explicitly with any contractor.

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