The best replacement for wood frame is concrete block.

The best alternatives to wood frame are rated as following:
★★★★★  concrete block
★★★★  steel frame
★★  metal frame
★★  masonry
★★  cbs construction
★  concrete block construction
★  block construction
★  concrete homes
★  vinyl windows
★  icf
★  concrete construction
  concrete block cost
  insulated concrete forms
  cbs
  cinder block home
  concrete frame
  alumium frame

Your alternative for wood frame is not listed? Suggest!
Speaking about wood frame, one probably shouldn't forget about wire fence.

Other search terms related to wood frame and their ratings are:
★★★★★ wire fence
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wood frame
concrete block
steel frame