Panda plastic, duct or gorilla tape and you have a tent.
Panda plastic is 5- 7 mil+ sometimes with rip stop( preferred). Its black on one side white on the other. Use razor knife to cut holes for exhaust entry etc. Tape on zippers are available for the plastic for larger opening that needs closed well, your door. Its clean, cheap and easy to remake after moving or needing a fresh clean space.