Beaverboard is a fiberboard building material formed of wood fibre compressed into sheets. It was originally a trademark for a lumber product built up from the fibre of white spruce and made from 1906
Fiberboard or fibreboard is a type of engineered wood product that is made out of wood fibers. Types of fiberboard include particle board or low-density fiberboard, medium-density fiberboard, and hard
Beaverboard
…Beaverboard (also beaver board) is a fiberboard building material formed of wood fibre compressed into sheets. It was originally a trademark for a lumber product built up from the fibre of white…
Medium-density fiberboard or MDF (topmost two), and hardboard (bottommost three)