How to build: Raised Garden Beds They are laid out to not waste, sheet metal(galvanized steel) was 8 feet by about 26 inches, cut into half was 13″.Supplies:2 sheets of 28″ by 8 foot galvanized steel- 2 -4 foot by 14, 2- 8 foot by 14 inches3- 10 ft 2x4s- pressure treated- 8- 7″ x 2 x 4, 4- 5 foot x2x44- 8 ft 2 x 4s- pressure treated, 4- 8 foot x 2 x41- 8 foot 4×4- pressure treated- 6- 14″ x 4×42-12 foot 1 x 8s- cedar or untreated- 2- 92″ x8x1, 2, 59″ x 1×8