Waterproofing costs here average around $5,842, with most homeowners paying between $3,485 and $8,259. High-Density Polyethylene (HDPE) membrane waterproofing is a cornerstone of modern construction, offering robust protection against water infiltration in applications ranging from building foundations to tunnels and landfills. 74 billion. From timelines to the types of membrane, here's what you need to know to help you better estimate the price per square foot for waterproof membrane work in your building. These membranes typically range from $4 to $12 per square meter, varying based on thickness, quality, and. HDPE geomembranes are essential synthetic liners used in civil engineering and environmental projects to prevent seepage, protect groundwater, and ensure containment integrity. Use our Cost Calculator for cost estimate examples customized to the location, size and options of your project.
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