CLOUDY FINISH What it is: The finish appears cloudy or milky. Cause: • Applying finish over a coat that isn’t dry enough to be recoated yet. • Applying waterborne finish during very high relative humidity or over a floor that is too cold to be coated. • Applying an oil/solvent-based finish during very high relative humidity, causing condensation on the surface of the drying coating. This will leave a dull appearing finish once the finish is dry, often referred to as “blushing.” Cure: Abrade/screen and recoat, being sure to increase the dry time between coats. Check with a damp rag before abrading/reapplying finish to make sure the cloudiness has disappeared. If the finish appears clear when it is dampened with water or solvent, the problem can be fixed with an abrade/ screen and recoat (the cloudy/milky appearance will appear again when the spot dries). Be sure to do this when the application conditions are favorable. However, when the cloudy/whitish appearance does not disappear upon wetting the substrate, the problem is throughout the coating film and requires removal of the existing finish and application of a new finish to restore the appearance.
Rent the Rotary with a 80 grit screen ..