What is the width of a 2'' Straight or Curved Composite Board? August 03, 2020 15:31 1. 7/16 Inches Related articles What is the difference between Frame It All 1 Inch and 2 Inch Profile Boards? How many curve boards does it take to make a complete & perfect circle? What size is the opening of the stake hole on a 2'' Stacking and Anchor Bracket? What is the actual width of a 1'' Straight or Curved Composite Board? How far does a 2'' Anchor Joint extend into the ground?