Free browser-based calculator

Commercial Waterproofing Project Cost Calculator

Estimate membrane, preparation, access, drainage, restoration and professional costs.

Project inputs

Change the assumptions to explore an early planning scenario.

Planning result

Enter your assumptions

  • Waterproofing and preparation
  • Access and drainage
  • Restoration and professional work
  • Estimated project budget

How to use this result

Use after defining the assembly, water source and extent of work.

No diagnosis

The calculator cannot determine where water enters or which assembly must be repaired.

Concealed conditions

Opening walls, roofs or below-grade areas can reveal added damage.

Important: Requirements, permits, accessibility duties, environmental rules, workplace-safety obligations, product standards and inspection practices vary by country, province or state, municipality, building use, existing conditions and adopted code edition. Qualified local professionals and the authority having jurisdiction must determine what applies.