What is the actual width of a 1'' Straight or Curved Composite Board? August 03, 2020 15:34 15/16 of an Inch Related articles What is the difference between Frame It All 1 Inch and 2 Inch Profile Boards? What is the width of a 2'' Straight or Curved Composite Board? How many curve boards does it take to make a complete & perfect circle? What is the height for Frame It All Timbers/Boards/Planks How far does a 1'' Anchor Joint extend into the ground?