Waterproofing Quantity Calculator
Calculate waterproofing material quantity needed for a roof, terrace or wall area.
About this calculator
The waterproofing calculator multiplies surface area by the number of coats and divides by the product's coverage rate to estimate total waterproofing material required.
Worked example
800 sqft, 2 coats, 20 sqft/kg coverage
Result: Material required = 80 kg
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