McElroy Metal is a leading supplier of metal wall and roofing products to the post frame industry. Post frame construction consists of wood posts and framing to create the building's structure. Steel roof and siding panels are the most common cladding for post frame buildings. The end result is an economical and quick to erect building. However, while economical, post frame buildings are engineered for aesthetics, durability and long service life. Today's post frame buildings can be anything from a back yard storage building to a commercial structure.