The Post Building Modeler application is a web-interactive tool that lets you choose colors for sections of a sample post building. Have you been thinking about a post building? Whether your purpose is Commercial, Agricultural, or Residential, we have sample buildings you can see. On the navigation bar on the left hand side of the screen, choose your application, then you will be transfered to a page containing the tools for your purpose. Choose colors for Roofing, Siding, and Wainscot.