The best replacement for barrier is ignite.

The best alternatives to barrier are rated as following:
★★★★★  ignite
★★★★★  reflect
★★★★★  insulation
★★★★  cleanse
★★★★  heal
★★  vapor retarder
★★  foam insulation
★★  spray foam
★★  no vapor barrier
★★  geth shield boost
★★  fortification
★  heal lol
★  heal adc
★  ignite adc
★  barricade
★  light screen
★  vapor barrier
★  reflect mr mime
★  exhaust
★  defense matrix
★  fire partition
★  fiberglass insulation
★  attic fan
★  smoke partition
  moisture barrier
  geth shield
  garlic barrier
  heat barrier
  tech armor
  isolator
  boundary
  foil radiant barrier
  spray foam insulation
  warp ammo
  fire wall
  tech shield
  damproofing
  air barrier
  new heal
  ignition barrier
  more insulation
  fence
  reflective insulation
  non barrier

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

Other search terms related to barrier and their ratings are:
★★★★★ insulation
★★★★★ cellulose insulation
★★★★ blown in insulation
★★★ rigid foam insulation
★★ roxul
You have in mind a companion for barrier and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of barrier in all years. Click on graph for more.
barrier
ignite
reflect