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Paints and primers: signs they are no longer usable

House paints and primers have a shelf-life of about five years, when properly sealed and stored. These materials will go bad faster if can lids are not properly sealed, or if they have been exposed to freezing temperatures. Avoid storing paint and primer in a garage, outdoor shed or area that is exposed to freezing temperatures. Damp storage areas may also cause metal can rust, which may also shorten the life of stored materials.

Signs that paint or primer is no longer useable and should be discarded:

NOTE: For paint and primer disposal instructions, contact your local Solid Waste Authority.


Detailed information about interior house painting surface preparation can be found in the book:

The Homeowner's Guide to Surface Preparation for Interior House Painting.

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