Most Hilton Head bulkheads that are leaking or undermined but still standing straight can be repaired where they are, with foam void fill, seam sealing, and working drains.
866-398-9323Licensed seawall specialists — FL · GA · SC
Seawall Repairs by Solid Foundations provides bulkhead repair in Hilton Head Island, SC for homeowners, property owners' associations, and commercial waterfronts. Typical projects include sealing washouts behind Broad Creek bulkheads, filling voids behind lagoon walls in the island's planned communities, and restoring caps on marsh-front walls along Skull Creek. Call 866-398-9323 or use the quote form to book a free on-site inspection.
In most cases, yes. Before anything else, we want to know two things: whether the wall has begun to rotate, and whether the sheeting still holds together. If it's plumb and solid, repair is almost always the answer.
The ideal time to look is a low tide on a calm day. Watch for:
Several of these on a wall that isn't leaning point to repair. If it's tipping or has holes through it, see bulkhead replacement on Hilton Head.
Some of the biggest tides on the island are on Broad Creek. NOAA's Broad Creek station shows a mean tidal range of almost 7.5 feet, with a daily swing over 8 feet between higher high and lower low water (NOAA datums, Broad Creek). Skull Creek runs a little under 7 feet. That much water flooding and draining against a wall twice a day finds every weak seam.
Lagoons behave differently. Some island communities are built around tidal lagoons. Palmetto Dunes, for example, has an 11-mile lagoon system whose water levels are periodically lowered to flush it (Palmetto Dunes POA). When the water drops quickly on one side of a wall, soaked soil behind it pushes out and carries fines through any open seam.
Soft ground at the edge. Many creek-front lots grade into pluff mud, which gives little support at the toe and lets voids spread.
We drill small ports along the cap and inject NCFI marine-grade foam into the hollows. It fills the voids, stabilizes loose soil, and seals seams from behind, without trenching through your landscaping. Learn about polyurethane injection.
We replace failed boards and hardware on otherwise sound timber walls and re-form cracked cap sections.
Water that can't escape builds pressure on the wall. Relief drains relieve it.
| Symptom | Typical fix |
|---|---|
| Voids, sinkholes, wall still plumb | Repair: foam fill plus seam sealing |
| A few rotted boards or a cracked cap | Repair: spot replacement |
| Top leaning a few inches | Reinforce: seawall reinforcement on Hilton Head |
| Toe blown out or sheeting split | Replace that section |
| Failure along most of the wall | Replace the bulkhead |
Tidal creeks, marshes, and the sounds around the island are part of South Carolina's critical area, regulated by the SC Department of Environmental Services (SCDES) Bureau of Coastal Management. SCDES took over DHEC's coastal programs in July 2024. It notes that work qualifying as normal maintenance and repair may not need a critical area permit, while larger structural changes can. The Town of Hilton Head Island and your community's architectural review board may have their own requirements. We check all of it before scheduling.
Bulkhead repair in Hilton Head typically costs $80–$250 per linear foot for void fill and $800–$2,500 per tieback anchor. Most residential repairs run $4,000–$20,000. A new wall usually costs several times that.
See all our island services at Hilton Head seawall repair. We also repair bulkheads in Savannah and Beaufort.
When the water level drops, the wet soil behind the wall pushes outward and water drains through open seams, carrying soil with it. Sealing the seams and filling the voids stops the loss.
Yes. We coordinate access and any architectural review your community requires before work begins.
It shapes the schedule more than the method. We plan work around low water so the base of the wall is exposed.
Normal maintenance and repair may not need one. Structural changes can. We confirm before we start.
Licensed, insured, NCFI-certified. Serving Florida, Georgia & South Carolina since 1996.
866-398-9323