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SFSouth FloridaMarine Works

Seawalls · 6 min read

Seawall Repair vs. Replacement: How Do You Know Which You Need?

Concrete seawall and cap along a clear South Florida canal

Nobody wants to replace a seawall they don't have to. Nobody wants to keep paying to patch one that's done either. Here's how to think it through.

Repair Usually Makes Sense When…

  • Damage is localized to a few joints, cracks or one section
  • The wall is structurally sound and not moving significantly
  • The cap is the main problem and the panels are in good shape
  • The wall meets or can reasonably meet local elevation requirements

Replacement Usually Makes Sense When…

  • Problems keep appearing in new places
  • The wall has rotated or displaced significantly
  • Corrosion and cracking are widespread
  • You need a higher wall than the existing structure can support
  • You're planning a new dock or major renovation anyway

The Middle Ground

Seawall stabilization and cap replacement can extend the life of a wall that's aging but not failing. They're often a good bridge while you plan and budget for eventual replacement.

Get the Facts First

The decision should rest on the actual condition of your wall. Start with a seawall inspection, then compare the cost of repair against the cost and lifespan of replacement.

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