Poor Sheen Uniformity
Shiny spots or dull spots (also known as "flashing") on a
painted surface; uneven gloss.
Possible Cause:
-
Uneven spread rate.
-
Failure to properly prime a porous surface, or surface
with varying degrees of porosity.
-
Poor application resulting in lapping (see lapping).
Solution:
New substrates should be primed/sealed before applying the
top coat to ensure a uniformly porous surface. Without the
use of a primer or sealer, a second coat of paint will more
likely be needed. Make sure to apply paint from "wet to dry"
to prevent lapping. Applying an additional coat will often
even out sheen irregularities.
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