Weir Residential Seawall

Client Type: Residential

A backyard renovation project turned into a more complex construction challenge when Ultramarine discovered voids under a neighboring foundation during the Weir seawall installation. The team solved the problem on the spot — protecting both properties — and delivered a new 80-foot seawall with a robust reinforced cap and 10 helical tiebacks.

The Challenge

The customer needed a new seawall as part of a backyard renovation. During installation, the crew encountered multiple complications including voids forming under a neighboring property’s foundation — a situation that required immediate problem-solving to prevent future erosion damage to both homes.

Scope of Work

Our Solution

Ultramarine completed the 80-foot seawall installation while simultaneously addressing unexpected voids under the neighboring foundation — going above and beyond to protect both properties and ensure long-term stability.

  • 80-foot vinyl seawall installed

  • Neighboring foundation reinforced with concrete

  • 20-inch by 24-inch reinforced concrete cap, 80 feet long

  • 10 helical tiebacks installed

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Seawall Installed
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Helical Tiebacks
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Cap Dimensions
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Properties Protected