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How to Stop Seawall Erosion with Polyurethane


Seawall Erosion Repair

Seawalls in the state of Mississippi protect homes and businesses from flooding and erosion. However, when seawall erosion starts to happen, it can quickly become a problem. Seawater can find a way through the cracks in the seawall and put your home or business at risk for flooding and other damage.


Cement grouting has been used for years to repair seawalls, but this process has its limitations. It uses heavy machinery, it’s expensive, and it takes longer to cure. A better option for seawall erosion repair is polyurethane foam because it’s lightweight and economical. Let’s learn more about the importance of preventing seawall erosion with polyurethane.


What is Coastal Erosion?


Coastal erosion occurs when the waves that hit the shore gradually wear it down. As the waves move up the shore, they carry sand and sediment and redistribute it. Erosion can get even worse when there are strong winds, tidal currents, and wave currents. This wears down the shoreline even faster.


The best way to prevent erosion is with a seawall. These structures are built along the coast to stop waters from coming into contact with the sand and shore. They also provide a form of coastal defense, protecting land, homes and buildings from flooding and erosion.


But seawalls are not indestructible. They must be maintained regularly and eventually, replaced every 30 to 50 years. Fortunately, seawall repairs are faster, easier, and more economical than ever before thanks to poly foam.


Benefits of Polyurethane for Seawall Repair


Unlike cement grouting, poly foam is fast and restores seawalls in just hours. Tiny holes are dug and the poly foam is injected into them to fill cracks, prevent leaks and ensure stability. In just one appointment, you can strengthen and secure your seawall so that it can do its job and prevent erosion.


Here are the benefits of using polyurethane for seawall erosion repair:


  • It’s hydrophobic. Poly foam is naturally hydrophobic, meaning that it pushes water away, naturally stopping erosion.

  • It dries quickly. Rather than waiting days for concrete to dry, polyurethane dries in just hours. This allows seawalls to be repaired quickly and efficiently, such as before a tropical storm.

  • It’s cost-effective. Polyurethane can double the life of your seawall, and it costs less than mudjacking, cement grouting or a replacement.

  • It’s environmentally friendly. When it comes to the environment, you can feel good about using polyurethane. It’s environmentally friendly, non-toxic, and sustainable.

  • It causes minimal disturbance. Poly injections won’t disrupt your day. It’s faster and cleaner than using cement, with a quick return-to-use time.


You count on your seawall to prevent flooding and erosion so it’s important that it’s in good condition. When it comes to seawall erosion repair, polyurethane is the best choice. You can resolve seawall erosion issues quickly, efficiently, and economically. Contact Foremost Foundations and Construction to schedule seawall repair today.

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