Seawall Injection & Repair in South Florida
When a seawall leaks, the tide pulls soil out from behind it, and sinkholes and failures follow. We seal the leaks and fill the voids with injection, often adding years of life without replacing the wall.
South FloridaConcrete repair services
Seawall Injection inSouth Florida
Stop the washout before the wall fails
Seawalls hold back soil on one side and the tide on the other. Over time, joints between panels open up, cracks form and weep holes clog. Each tide pushes water in and pulls fine sand back out, leaving voids behind the wall that show up as sinkholes in lawns, pool decks and walkways.
Seawall injection stops that cycle. We inject polyurethane or chemical grout through the wall and into the soil behind leaking joints and cracks to form a watertight barrier, then fill the voids with grout so the soil behind the wall is supported again.
PRS works on residential, condominium, HOA and commercial seawalls along South Florida’s canals, rivers and Intracoastal waterways. We schedule work around the tides so injection happens when the conditions are right.
At a glance
- Best forLeaking joints, cracks and soil loss
- MaterialsPolyurethane, chemical grout, cementitious grout
- Typical locationsCanal, Intracoastal and marina seawalls
- Alternative toFull seawall replacement, where the wall is sound
How it works
Our seawall injection process
Inspect at low tide
We inspect panel joints, cracks, caps and the ground behind the wall for washout.
Seal the leak path
Injection seals leaking joints and cracks to stop soil moving through the wall.
Fill the voids
Grout fills the voids and sinkholes behind the wall to restore support.
Repair the cap
Cracked or spalled seawall caps are repaired and sealed.
Monitor
We check the area across tide cycles to confirm the washout has stopped.
Applications
Seawall problems we repair
- Leaking panel joints
- Cracked seawall panels
- Sinkholes behind the wall
- Soil loss under pool decks and patios
- Cracked or spalling seawall caps
- Voids around tiebacks
- Washout around drain outfalls
- Dock and marina structures
Warning signs
When to call about seawall injection
Not sure what you are looking at? Send us a photo or book a site visit and we will tell you what the crack or leak needs.
Sinkholes behind the wall
Depressions in the yard, patio or deck near the seawall.
Muddy water at low tide
Cloudy water or sand trails at the wall show soil escaping through it.
Gaps between panels
Open joints where you can see daylight or soil.
Cracked cap
Cracks or spalling along the seawall cap.
Leaning sections
Panels pushed out of line by soil or water pressure.
Settling pavers or slabs
Hardscape near the wall dropping over time.
Choosing the right repair
Injection vs. seawall replacement
Replacing a seawall is a major project with permits, heavy equipment and a long timeline. When the wall panels are structurally sound and the problem is leaking joints and lost soil, injection can stop the washout and stabilize the area at a fraction of the cost.
If a wall is past repair, we will tell you. Our job is to give you an honest assessment of what the wall needs.
FAQ
Seawall Injection questions
How do I know if my seawall is leaking?
Common signs are sinkholes or depressions behind the wall, cloudy water or sand at the wall at low tide, visible gaps between panels and settling hardscape near the water.
Is seawall injection cheaper than replacement?
When the wall is structurally sound, injection is typically far less expensive than replacement and much faster.
How long does seawall injection last?
Injection is designed as a long-term repair of leaking joints and cracks. Results depend on the wall’s condition, which is why we inspect before recommending it.
Do you need a permit for seawall injection?
Permit requirements depend on the municipality and the scope. We will review requirements for your project during the estimate.
Do you work on residential seawalls?
Yes. We work for homeowners, HOAs, condominium associations, marinas and commercial owners.
Related services
More ways we protect concrete
Serving Palm Beach County, Broward County, Miami-Dade County.
Free on-site estimate
Get a seawall injection estimate
Tell us what you are seeing and where. We will inspect the site, explain the repair in plain terms and give you a written estimate at no cost.