Caused by migration of water-soluble slats form cement surface that is not fully dried before painting.
STEP 1 (Surface Preparation)
- Wash off the affected areas thoroughly by using a high-pressure water jet to ensure that white salt deposits, dirt and dust are removed before any subsequent painting.
- Allow the surface to dry completely before painting.
STEP 2 ( Paint one coat of any sealer below according to your needs )
STEP 3 (Paint two coats of any topcoat below according to your needs)