Particle board and plywood are composed of pieces of wood products that have been pressed and glued together. Although they are popular siding materials for storage units, they are not most people's first choice in regions where it rains a lot. For if water does work its way into these products (a possibility enhanced by their composite nature), then you're lost.
Are you looking to buy a new outdoor storage shed? There are a number of factors to consider before making your purchase, including size, price, materials used, and design. Narrow down your options to find the right choice for your specific situation.