- **Surface Preparation**: Clean the surface to remove dust, dirt, grease, and loose paint. Ensure the wall is dry and smooth. - **Thinning**: Mix equal volumes of Berger NU Emulsion and clean water. For highly porous surfaces, increase water content in the first coat to improve absorption. - **Application**: Apply with brush, roller, or spray. Stir thoroughly before and during use. - **Recoating**: Allow 1 hour between coats under normal conditions. - **Cleaning**: Wash brushes, rollers, and tools with soap and water immediately after use.