To many homeowners and Weekend Warriors a board is a board is a board. But the difference between a “board” and “dimension lumber” is greater than you may realize.
In the lumber world a “board” is anything with a nominal thickness that is less than 2” and a width of at least 1”. This may seem like splitting hairs, but it’s done for a very good reason: Unlike dimension lumber, boards are graded for appearance not for strength.
Because boards are so thin, they’re not used in applications that require them to carry a heavy load. Rather, they’re used to wrap a window or as fascia for your roof. Both these applications are appearance driven which means you’ll want to use a board.
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