When selecting PVC roofing tiles, pay attention to thickness, material, and surface finish. It is recommended to choose tiles with a thickness of 2.5 millimeters or more to enhance impact resistance and weather resistance. In terms of material, distinguish between virgin material (uniform color, glossy, and producing a crisp sound) and recycled material (grayish-yellow in color, prone to brittleness and cracking, with impurities and air pockets visible in the cross-section, and possibly emitting a pungent odor). Note that thickness and price are not necessarily directly correlated; consider both factors in conjunction with intended use...
