or low-slope roofs. These aren’t typically made of shingles but are often covered in a material called TPO (thermoplastic polyolefin) or a similar membrane. 3. Metal Roofing: A Long-Term Investment. While less common in residential homes, metal roofs are gaining popularity. They have a sleek, modern look and are incredibly durable. 4. Slate or Tile Roofs: The Centuries-Old Option If…