Manufacturing MDO Plywood Bob visits the Simpson Plywood plant in Shelton, WA, where Jim Langenberg shows Bob how plywood, especially MDO, is made. Clip Summary Bob visits the Simpson Plywood plant in Shelton, WA, where Jim Langenberg shows Bob how plywood, especially MDO, is made. Your browser does not support the video tag. Clips in More Excavation and Foundation Work Tour of the Victorian Interior Reviewing Plans for Updating the Victorian Demolition and Reconstruction of Victorian Foundation Clips in Exterior Trim and Porch Ceiling Manufacturing MDO Plywood Engineered Wood Exterior Trim and Porch Ceiling Share Design DIY Exterior Interior Lawn & Garden More Real Estate Reviews Clips in More Installing High-Performance French Doors Removing Horsehair Plaster and Door Framing Matching Original Victorian Frieze Board Spraying In Closed-Cell Insulation Clips in Habitat for Humanity A Special Housewarming Gift Tour of the Finished Interior Decor with B. Smith Back Porch and Kitchen Tour Blower Door Test