Choosing roofing tiles may seem simple, but it is actually quite complex, especially when faced with numerous manufacturers of new PVC roofing tiles that vary widely in price and whose quality is difficult to assess. This article compares PVC roofing tiles with color-coated steel roofing tiles, pointing out that while PVC roofing tiles may have a higher initial cost, their corrosion resistance and long service life make them more cost-effective in the long run, making them particularly suitable for coastal or chemical industry areas. Through on-site inspections, the author aims to provide consumers with guidance on selecting building...