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Surfactant Leaching:
Concentration of water-soluble
ingredients on the surface of a latex paint, typically on
a ceiling surface in rooms that have high humidity (e.g.,
shower, bathroom, kitchen); may be evident as tan or brown
spots or areas, and can sometimes be glossy, soapy or
sticky.
Possible Cause:
All latex paint formulas will exhibit this tendency to
some extent if applied in areas that become humid
(bathrooms, for example), especially in ceiling areas.
Solution:
Wash the affected area with soap and water, and rinse.
Problem may occur once or twice again before leachable
material is completely removed. When paint is applied in a
bathroom, it is helpful to have it dry thoroughly before
using the shower. Remove all staining before repainting. |