Lumber lawsuit challenges the size of a 2×4 | NewsCut | Minnesota ..21 Jun 2017 . Anybody who's ever bought lumber knows that a 2x4 isn't a 2x4, a 1x6 isn't a 1x6, and a 4x4 isn't a 4x4. A lot of lawyers have never bought lumber, . They're in the lawsuit business, which is why Menard's and Home Depot are being sued for deceptive advertising. A Chicago law firm has filed suits seeking.