摘要 |
The present invention relates to roofing materials for roofs, sidewalls and other exterior surfaces exposed to the weather such as, but not limited to, asphaltic and non-asphaltic roofing materials, wherein color coated metal flakes cover up to 100% of the weathering surface of the roofing materials. The metal flakes are coated with a colored coating material by fluidizing the flakes in an air stream, spraying pressurized air and colored coating material, and curing the coated metal flakes. The present invention also relates to methods of making roofing materials. |