Discolorations of House Paint- Causes and Cures
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Description:

Under normal conditions paint deteriorates by first soiling or by a slight accumulation of dirt.  Next, a flattening stage develops when the coating gradually starts to chalk and erode away.  Unfortunately, paint is sometimes discolored by mildew, blue stain, wood extractives, and metals long before repainting is necessary.  In these cases, a simple repainting will not correct the problem for long.  Furthermore, excessive painting is expensive, and a build-up of paint on the wood surface may lead to cross-grain cracking or other severe paint failures.  If the old paint surface is not properly cleaned before repainting, intercoat peeling may also result.

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716.7 KB

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File Author:

Daniel L. Cassens and William C. Feist

Submitted On:

14 Aug 2007