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  

MILDEW
Description:
Black, gray or brown areas on the surface of paint, caulk or other surfaces

Cause(s):
Naturally occuring growths on the surface of paint films

Solution(s):
Test for mildew using household bleach
Properly treat and prime the surface before applying a paint or stain
Avoid using flat paints and alkyd paints for exterior use
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