The price will vary widely depending on region, season, and current material prices. Basic, three-tab asphalt shingles are the cheapest and most common option, beginning at $4.25 per square foot and going up to $8.25.(Image: http://www.imageafter.com/image.php?image=b6architecture_exteriors013.jpg&dl=1) Fiberglass shingles are less expensive, while composite shingles made from recycled material are costlier.(Image: http://www.imageafter.com/image.php?image=b15architecture_exteriors018.jpg&dl=1) Though there are many factors to consider when choosing a new roof, two of the most important are the overall cost and projected life span of each material. Gauging both of these factors can help you learn how metal roofing compares to other roofing material options.