materials
Waterproofing Cost Calculator
Estimate treated area, product coverage, material quantity, and installed cost.
Total cost
NPR 36,000
Order / treated area
40 m²
Product required
20 L
How this works
Product litres = area × coats ÷ coverage; cost = area × installed rate.
Worked example
Forty square metres, two coats, at 4 m²/L needs about 20 litres.
FAQ
What is the Waterproofing Cost Calculator used for?
Estimate treated area, product coverage, material quantity, and installed cost. It is intended for quick planning, checking, and everyday decisions.
Can I use the result for a final contract or design?
Use it as a planning estimate. Include upstands, corners, pipe penetrations, surface repairs, and manufacturer-specified primer.
How can I improve the accuracy?
Use measured quantities, current supplier or lender rates, the correct units, and compare the result with drawings, invoices, or professional advice where the decision is safety-critical.