Mud Cracking
Deep, irregular cracks resembling dried mud in dry paint
film.
Possible Cause:
-
Paint is applied too thickly, usually over a porous surface.
-
Paint is applied too thickly to improve inherent poor
hiding (coverage) of a lower quality paint.
-
Paint is allowed to build up in corners upon application.
Solution:
Remove coating by scraping and sanding. Mud-cracked areas
can be repaired by sanding the surface smooth. Repaint using
a top quality latex wall paint because it is likely to prevent
recurrence of mud cracking being more flexible than alkyd,
oil-based and ordinary latex paint. Quality paints have a
higher solids content, which reduces the tendency to mud crack.
They also have very good application and hiding properties,
which minimize the tendency to apply too thick a coat of paint.
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