These bottom boards are reversible: the deep opening (3/4") allows for an adjustable entrance that can be controlled with an entrance reducer, while the shallow opening (1/2") simply allows for year-round narrower entrances which reduces the need for an entrance reducer.


Comes fully assembled


Compatibility Warning:

  • Choose 8 Frame options for 8 Frame equipment
  • Choose 10 Frame options for 10 Frame equipment


LANGSTROTH Solid Bottom Board