How To Hang A Mezuzah On Front Door. 4.7 out of 5 stars. A blessing precedes the hanging.
A building not used as a permanent residence, such as a sukkah, does not need a mezuzah. According to most authorities, however, in situations where that would not be possible, one fulfills the mitzvah by attaching the mezuzah onto the inner side of the doorpost as well.
Adina Plastelina Mezuza Case Mosaic Mezuzah Mosaic
As long as a door can be used as an entrance and exit, a mezuzah should be affixed to the doorpost. Be sure to post a mezuzah on all doors that enter your home, including the garage, sliding glass doors, garage into the interior, etc.