Windsor Mill, Made in the USA. Vintage Trim Boards give you an economical choice in a quality trim board. Now available at Pine Cone Lumber in sizes from 2x4 to 2x12.Stop paying for commodity lumber that looks and feels cheap. Vintage Tight Knot Boards are finger jointed and come with all six sides primed. What does this mean for you? A board that is straight, not twisted and requires less time with a paint brush.