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I recently moved to a new home and need to replace a door knob that will be exposed to the outdoors. Does it matter what kind of door knob I get if it will be exposed to the outdoors?

If it doesn't matter, are there types of knobs that hold up better to the elements than others?

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up vote 2 down vote accepted

Normally anything that has keys that come with it is meant for outdoor use. And almost all of these are made from non corrosive metals.

I can't think of any house that I have ever looked at that had a rusted out door knob and everything else was in good shape.

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Locksets (including doornobs) are intended for either interior or exterior use. Some may be rated for both.

There are some differences in configuration (such as deadbolt vs. privacy lock) and differences in durability and sealing. Doorknobs and locksets intended for interior use may have no water seal and may use a thinner protective coating.

Doorknobs and locks intended for exterior use could easily be used indoors, but interior sets may quickly leak, corrode, or lose their finish if exposed outdoors.

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