Untreated Wood Special Instructions Wood = C&D WasteWood is considered construction and demolition (C&D) waste, so it needs to be disposed of at a C&D facility. For complete information about disposal of the full range of construction materials, visit the Construction & Demolition page. Ways to Reuse Repurpose Your Wood Certain types of wood products can be reused in a variety of different ways. Find out how to repurpose your wood product. Did You Know? Transforming Discarded Wood into Beautiful Furniture 30 Billion Board Feet The U.S. is the world’s largest producer of lumber, generating 30 billion board feet of lumber every year. (A board foot is the equivalent of a piece of lumber that is one foot long, one foot wide, and one inch thick.) 30 billion board feet is enough lumber to wrap the earth in a one-foot wide belt of lumber 228 times every year. Two-thirds of lumber usage in the U.S. is for home building and renovation.