Waterproofing Membrane Calculator
Estimate membrane area for slabs, balconies, or bathrooms including upturn and overlap allowances.
| Item | Quantity | Unit |
|---|---|---|
| Base Area | 12.00 | m² |
| Upturn Area | 1.05 | m² |
| Total Membrane | 14.40 | m² |
Default upturn 150 mm; overlap 10%. Add 5–10% extra for detail work.
Calculator results are indicative. Confirm exact quantities with your engineer or supplier.
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