Waterproofing Estimator
Estimate waterproofing materials for basements, roofs, wet areas, and water-retaining structures with precise coverage calculations.
What is the Waterproofing Estimator?
The Waterproofing Calculator computes material quantities for all types of waterproofing applications — basement tanking, roof membranes, bathroom waterproofing, and water tank lining. Select the application type, surface area, and waterproofing system to get precise material quantities including membranes, primers, and sealants.
What You Can Do
Powerful features designed to make your estimation workflow faster and more accurate.
Basement Waterproofing
Tanking membranes, drainage boards, and cavity drain systems.
Roof Waterproofing
Bituminous membranes, liquid applied systems, and torch-on solutions.
Wet Area Systems
Bathroom and kitchen waterproofing with flexible membranes.
Water Retaining
Waterproofing for water tanks, pools, and reservoirs.
Coating Systems
Liquid membrane and coating material calculations.
Multi-Layer Systems
Complete system estimation with primers, membranes, and protection layers.
Why Use This Calculator?
Real advantages that save you time, money, and headaches.
Prevent Costly Failures
Accurate material estimation ensures complete coverage — no weak spots from under-ordering.
Reduce Waste
Order exactly what you need based on precise surface area and coverage rate calculations.
System-Based Approach
Estimate complete waterproofing systems including all layers and accessories.
Specification Ready
Reports include material specifications suitable for tender submissions.
Who Is This For?
This calculator is designed for a variety of construction projects and professionals.
Below-Grade Structures
Basement, foundation, and underground structure waterproofing.
Roofs & Terraces
Flat roof, terrace, and balcony waterproofing estimation.
Water Features
Swimming pools, water tanks, and fountain waterproofing.
Frequently Asked Questions
Common questions about the Waterproofing Estimator.
Sheet membranes (bituminous, PVC, TPO), liquid applied (polyurethane, acrylic, cementitious), and hybrid systems.
Yes, configurable overlap widths are added to material quantities for sheet membrane systems.
Related Calculators
Explore other estimation tools that work great with the Waterproofing Estimator.
Ready to Try the Waterproofing Estimator?
Get started today and see how accurate estimation can transform your workflow — completely free.
John D. from New York
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