Water Based Transparent Polyurethane Waterproof Coating for Bathroom Window Sill Exterior Wall and Tile Repair
| Product Type: | Water-based Transparent Polyurethane Waterproof Coating | Component Type: | Single-component, Ready To Use |
| Main Component: | Polyurethane Resin | Liquid Appearance: | Thick Milky White Or Translucent Liquid |
| Cured Film: | Clear And Transparent | Application Methods: | Brush Or Roller |
| Theoretical Coverage: | Approx. 4 M²/kg Per Coat | Recommended Coats: | 2 Coats |
| Recoating Time: | Approx. 4 Hours | Water Exposure Time: | At Least 24 Hours After Completion |
| Package Size: | 5 Kg And 20 Kg |
Water-Based Transparent Polyurethane Waterproof Coating
STILWELL transparent waterproof coating is a single-component, water-based polyurethane coating designed for surface waterproofing and minor leakage repair. The ready-to-use material forms a clear film after drying, helping preserve the visible appearance of the underlying tiles, stone or wall surface.
Key Features
- Single-component formula, ready to use without mixing with a hardener
- Polyurethane resin-based waterproof protection
- Transparent film after drying
- Flexible coating with good adhesion
- Easy brush or roller application
- Available in 5 kg and 20 kg pails
Typical Applications
For surface waterproofing of bathrooms, kitchens, window sills, interior and exterior walls, roofs, tiles, mosaic surfaces, concrete and cement-based surfaces. Larger cracks, holes and defective joints must be repaired with suitable materials before coating.
Product Data
| Product Type | Water-based transparent polyurethane waterproof coating |
| Component Type | Single-component, ready to use |
| Main Component | Polyurethane resin |
| Liquid Appearance | Thick milky white or translucent liquid |
| Dried Film | Clear and transparent |
| Application Methods | Brush or roller |
| Theoretical Coverage | Approx. 4 m²/kg per coat |
| Recommended Coats | 2 coats |
| Recoating Time | Approx. 4 hours |
| Time Before Water Exposure | At least 24 hours after completing the final coat |
| Packaging | 5 kg/pail and 20 kg/pail |
Theoretical Coverage by Package
| Package | One Coat | Completed Two-Coat Area |
|---|---|---|
| 5 kg | Approx. 20 m² | Approx. 10 m² |
| 20 kg | Approx. 80 m² | Approx. 40 m² |
Coverage figures are theoretical. Actual consumption varies with substrate porosity, surface texture, application method and material losses.
Application Instructions
- Remove dust, oil, loose material and standing water. Ensure the surface is clean and dry.
- Repair larger cracks, holes and defective joints before coating.
- Apply the first coat evenly by brush or roller over the area requiring waterproof protection.
- Allow approximately 4 hours before applying the second coat.
- After completing the final coat, allow at least 24 hours before contact with water. Keep the area ventilated and protect the coating during drying.
Drying and recoating times may vary with site conditions. Trial application on a small area is recommended to check adhesion and appearance before full application.





