![]() ![]() ![]() Builders often use concrete across the top for both aesthetic and structural reasons. Steel seawalls cost $250 to $700 per linear foot. Because of the competitive price and durability of vinyl, most contractors recommend vinyl capped with concrete versus a steel wall. Plus, steel lasts about half as long because it corrodes and eventually fails. Wooden seawalls cost $150 to $500 per linear foot. Cost differences usually come from the height. They’re recommended more for freshwater areas, but treated lumber can withstand coastal areas’ saltwater waves. ![]() ConcreteĬoncrete seawalls cost $200 to $800 per linear foot. Like other seawalls, height plays the largest cost factor. They’re created one of two ways: on-site with wet concrete poured into forms or in precast panels or blocks. They’re almost always reinforced with steel rebar. Riprap seawalls cost $70 to $200 per linear foot. It’s a pile of small boulders and large rocks laid against the shore, usually at a grade of 30 to 45 degrees, and used in front of other seawalls. You’ll often find it used with a living seawall, where marine grasses and other growth are planted near the shoreline to curb erosion. ![]() Permit fees and regulatory processes for seawalls vary from place to place, but often fall in the $400 to $1,500 range expect higher costs in areas of Florida and Texas. Coastal prices vary by state, usually due to locally regulated building requirements. You will almost always need a permit for construction on a waterway. Typically, you’ll pay about twice as much for saltwater seawalls as you would freshwater bulkheads. Larger selection of materials since corrosion isn’t a factor Not only will saltwater corrode many types of seawalls, but you also need to build high enough to account for the tidal variations in sea level-two issues not present at inland lakes.įreshwater lake walls often cost far less than coastal projects for various reasons, including: But size and material determine cost more than the type of water. Heavy machinery drives seawalls into the ground in sheets. ![]()
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