The wood is shipped wet, you have to let it dry out while strapped, or it'll be hockey sticks.
Good shops will buy better grades and store it inside a warehouse instead of a yard. That's how you can get straight 20' 2x4s for making forms (or whatever).
Good shops will buy better grades and store it inside a warehouse instead of a yard. That's how you can get straight 20' 2x4s for making forms (or whatever).