MDO plywood, also known as medium density overlay plywood, can be purchased from Menards, The Home Depot or Capitol City Lumber. As of June 2015, Menards.com carries six different sizes of MDO plywood.
The most expensive MDO plywood panel option costs about $65 for a 4-foot-by-8-foot plywood panel that is 3/4 inch thick, while the least expensive is a 1/2-inch-thick panel that is 2-feet-by-4-feet and costs about $19. All the MDO plywood panels sold at Menards.com come with free to-store shipping. The website also provides a store locator search feature to assist customers in locating local Menards warehouse stores.
HomeDepot.com sells a 3/8-inch-thick, 4-foot-by-8-foot MDO plywood panel for about $40 each. The paintable panel is manufactured from Douglas fir and is sanded. The website also offers a free store pickup shipping option.
Capitol City Lumber also carries six different sizes of MDO plywood signboard. All of the plywood panels are 2 feet by 4 feet, but range in thickness from 3/8 inch to 3/4 inch. The MDO plywood selection also includes panels primed on one or both sides. On one-side panels, paint can only be applied to one side, whereas two-sided panels allow paint to be applied to both sides.