When an old tree was removed, good wood was saved, sliced in 2" thick slabs. The are piled up in my garage, 2' wide x 6' long x 2.5' tall. The space above is wasted.
So I plan to build a lumber storage rack above the pile, appx 3' W x 7' L x 5' H, with 2 shelves. What material would you use...