Every time a homeowner chooses DaVinci roof trees are saved - often young growth cedars that are difficult to harvest, produce low-quality shingles and further deplete our limited resources. DaVinci Shakes also offers a Class A fire rating. Natural slate roofs present other problems. The quarrying process consumes large amounts of labor and fuel and can be harmful to the local ecosystem. Up to 15% of natural slate tiles also crack or break up during installation so waste is significant. Because DaVinci tiles weigh one-third as much as natural slate of comparable thickness, transportation energy costs and carbon emissions are lower.