Waterproofing Calculator

WHATSON / CONSTRUCTION

Waterproofing Calculator

Plan coating or membrane quantities from product specifications.

Starting measurements are editable examples. Enter your site measurements and supplier quotes.

1 Net treatment area
2 Coating specification
3 Membrane specification
4 Order allowance
Construction

Waterproofing quantities depend on whether the system is a coating or a membrane, and on the product's stated coverage.

Measure the full treatment area, including details that need coverage, then use the selected system's specifications. Keep the material estimate tied to that product.

01 / GET STARTED

How to use Waterproofing Calculator

  1. Choose area unit and system. Enter area.
  2. Enter coats, consumption per coat and container mass.
  3. Enter roll length, roll width and overlap allowance on both axes.
  4. Enter ordering allowance and container or roll price.
  5. Select Calculate estimate. Read the returned values alongside the assumptions below before copying, exporting or acting on the result.
02 / A CLEARER WORKFLOW

Why choose this tool?

The system choices help separate coating consumption from membrane coverage when comparing a waterproofing purchase.

Before you use the result

Select quantities from the product specification. Details, upstands and penetrations must be included in net treatment area.

03 / COMMON QUESTIONS

Questions about Waterproofing Calculator

Should upstands and penetrations be included?

Include their treatment area where the specification requires it. A floor footprint alone can miss vertical returns and detailed work.

What should I check before using Waterproofing Calculator?

Check Area, Area unit, System and Coats. Use the exact units shown beside the controls and replace any example values with your own inputs.

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