Paint Problem Solver

Select a paint problem:

Photo courtesy of the Rohm and Haas Paint Quality Institute
Alkali Resistance
The loss of color and paint film integrity on fresh masonry.

Possible Causes:

  • The masonry substrate has not fully cured.
  • A primer, which tolerates a high pH level, was not applied.
  • Improper surface preparation.

Recommended Solution:

  • See Lead Information for warnings.
  • Allow masonry surfaces to cure for a minimum of 30 days (a full year's cure is ideal) before painting.
  • If a full cure is not possible, apply Pro-Hide® Gold Interior/Exterior Acrylic Concrete & Stucco Prime (Z6300) or Pro-Hide® Gold Exterior Acrylic Surface Conditioner (Z6100/Z6200). Both primers are high quality masonry primers and alkali-resistant.
  • Finish with 1-2 coats of Accolade® Exterior 100% Acrylic Latex.


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