I was surprised to see the OP had the pink 2X4's. It has been a long time since I have seen them in my area. The pink boards years ago used to cost about ten cents more per board than non painted. The last time I built a shed I used the pink tinted boards and they were a higher grade than...
aart The pink color just denotes it is "stud grade" lumber which is straighter, and if I recall correctly is exactly 8 feet long and also knot free.
David