The best replacement for doors is fiberglass doors.

The best alternatives to doors are rated as following:
★★★★★  fiberglass doors
★★★★★  steel doors
★★★★  windows
★★★  french doors
★★★  curtains
★★★  fiberglass
★★★  wood doors
★★  requisitepro
★★  sliding glass doors
★★  shower curtains
★★  reqpro
★★  sliding doors
★★  sliding glass
★★  blondie
★  drawers
★  steel
★  screen
★  side by side
★  curtain
★  wood
★  shower curtain
★  sliders
★  led zeppelin
★  steel entry doors
★  non-insulated
★  upvc
★  wood entry doors
★  non insulated
  andersen doors
  rolling stones
  drywall first
  7 doors
  bifold doors
  requisite pro
  pella doors
  hidden rooms
  larson
  aluminum doors
  pella
  anderson doors
  solid doors
  screens
  pink floyd
  anderson
  hollow core doors
  therma tru doors

Your alternative for doors is not listed? Suggest!
Speaking about doors, one probably shouldn't forget about safety net.

Other search terms related to doors and their ratings are:
★★★★★ safety net
★★★★ sidelights
★★★★ dog doors
★★★★ jim morrison
★★★ knobs
★★ built in dog doors
★★ glass inserts
★★ doggie doors
★★ trim
★ mirrors
★ doggy doors built in
screens
You have in mind a companion for doors and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of doors in all years. Click on graph for more.
doors
fiberglass doors
steel doors