The best replacement for door is shower curtain.

The best alternatives to door are rated as following:
★★★★★  shower curtain
★★★★  left hand door
★★★★  fiberglass door
★★★★  right hand door
★★★★  side by side
★★★  steel door
★★  gate
★★  fiberglass
★★  french doors
★★  curtain
★  side by side refrigerator
★  french door
★  sliding door
★  window
★  left handed door
★  side by side refrigerators
★  4 door
★  storm door
★  pella
★  wood door
★  blue door
★  4 door jeep wrangler
  security door
  wood
  tundra 4 door
  screen door
  single door
  overhead door
  upvc
  right door
  backdoor
  prehung door
  lh door
  sliding glass door

Your alternative for door is not listed? Suggest!
Speaking about door, one probably shouldn't forget about window.

Other search terms related to door and their ratings are:
★★★★★ window
★★★★★ dog door
★★★★ frame
★★★ pet door
★★★ sidelights
★★ built in dog door
★★ screen
★★ casing
★ glass panel
★ key
doggie door
built in pet door
cat flap
screen window
cat door
glass window
You have in mind a companion for door and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of door in all years. Click on graph for more.
door
shower curtain
left hand door