From Starbounder - Starbound Wiki
Floor is an object unobtainable by players through normal means. This item's information is present in the game files, but not intended by developers to be in players' possession.
Floor is a wall mountable decorative object.
|Apex :||Floor sign.|
|Avian :||A floor sign.|
|Floran :||Floor sssign.|
|Glitch :||Savvy. Floor sign.|
|Human :||A floor sign.|
|Hylotl :||A floor sign.|
|Novakid :||It's a floor sign! Whoopie!|