Useful Numbers...

Companionway Board Measurements (Gary Hoffer, C30 #902 “Sanctuary” Channel Islands)

Top board: Top Width: 33 ¾” Bot Width: 28 ¾” Height: 11”

Middle Board: Top Width: 28 ¾” Bot Width: 24” Height: 10 ¾”

Bottom Board: Top Width: 24” Bot Width: 19 ½” Height: 10”

There is a ¼” lip included on the top of the bottom and middle boards which matches up with the same on the bottoms of the middle and top boards.