The best replacement for walls is drywall.

The best alternatives to walls are rated as following:
★★★★★  drywall
★★★  trim first
★★★  ceiling first
★★★  block walls
★★★  block
★★★  2x6 walls
★★★  floors first
★★  carhartt
★★  baseboards first
★★  2x4 walls
★★  trim paint first
★  floor first
★  woodwork first
★  poured walls
★  icf
★  poured concrete
★  skirting first
★  gloss first
★  venous walls
★  carhart
★  smooth walls
★  block concrete walls
  marble for shower walls
  sheetrock
  textured walls
  superior walls
  poured concrete walls
  block basement walls
  cell membranes
  animal cell walls
  dickies
  colored walls
  concrete walls
  wood walls
  fences
  block wall
  texture
  mega walls
  floor first tiling
  trim
  drywall walls
  2x4

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

Other search terms related to walls and their ratings are:
★★★★★ borders
★★★★ words
★★★ pictures
★★★ walls
★★★ joint compound
★★ insulation
★★ cavity
★ church
★ skirting
★ wainscoting
windows
You have in mind a companion for walls and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of walls in all years. Click on graph for more.
walls
drywall
trim first