Painting Tips
Alligatoring  Blistering  Blocking  Burnishing  Cracking/Flaking 
Efforescence  Exterior Fade  Frosting  Mildew  Nail Head Rusting 
Peeling  Picture Framing  Poor Hiding  Poor Sheen Uniformity 
Roller Marks/Excessive Stipple  Surfactant Leaching  Vinyl Siding Warp  Wrinkling  

Mineral-based contaminate on surface of paint film, similar to efflorescence

Moisture slowly evaporating, typically in a protected area, leaving mineral-based deposits on the paint film

Wire brush masonry surfaces or sand wood surfaces, followed by alkyd priming
Avoid using exterior latex paints containing calcium carbonate
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