2024 Retaining Wall Cost — Cost To Build Per Foot & By …
COR-TEN® steel: $35 – $135 : I-beam: $35 – $150 : Sheet piling: $15 – $30 : Stone veneer wall: ... This weathering steel forms a protective rust coating that's maintenance-free. COR-TEN® steel is unsuitable for areas with high humidity, standing water, or near coastlines.