As the most economical of all residential roofing materials, asphalt shingles make up 80 percent of the U.S. market. The fiberglass-based variety also offers excellent fire resistance when installed with fire-code-compliant underlayments. The Class A–rated Centennial Slate shingle from CertainTeed boasts the affordability of an asphalt shingle and the luxe look of natural slate. $50 to $100 per square (enough shingles to cover 100 square feet), installed. CertainTeed,
Valley Forge, PA; 610-341-7000.