Waterproofing fails most often when the wrong system is used for the surface, or when surfaces are poorly prepared. The right choice depends on where water sits, how much movement the surface sees, and whether it's exposed to UV.
Match the system to the surface
| Surface | Typical system |
|---|---|
| Flat roof / terrace (exposed) | Liquid-applied membrane or APP membrane — UV-stable |
| Bathroom / wet area | Cementitious coating under tiles |
| Basement / retaining wall | Crystalline or membrane system, plus integral admixture in concrete |
| Water tank | Non-toxic cementitious coating |
| New concrete (whole structure) | Integral waterproofing admixture in the mix |
The three main types
- Liquid-applied membranes — seamless, flexible, good for terraces and roofs
- Cementitious coatings — rigid, ideal for wet areas and tanks under tiles
- Integral admixtures — added to concrete itself, waterproofing from within
Preparation matters more than product
Even the best system fails on a dirty, cracked or damp substrate. Surfaces must be clean, sound and prepared per the manufacturer's instructions, and detailing at corners, drains and joints is where most leaks start.
Unique Sales Corporation supplies UltraTech Building Solutions waterproofing systems in Gurugram and helps match the right system to each surface on your project.
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