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| Feature | Drylok | RadonSeal |
|---|---|---|
| Product type | Surface-applied waterproofer | Penetrating concrete sealer |
| How it works | Creates a protective coating | Seals pores and capillaries from within |
| Appearance | White, paint-like finish | Maintains the natural concrete appearance |
| Application | Brush, roller, or sprayer | Typically applied using a sprayer |
| Best suited for | Waterproofing with a finished appearance | Treating suitable porous concrete |
| Radon protection | Helps reduce radon penetration | Helps restrict radon movement through concrete |
