Non-metallic building materials, namely, composite panels composed primarily of non-metal materials in the nature of slate, quartzite, gneiss, lime, concrete, sandstone, basalt, marble, stone, granite, clay, and wood; roof coverings, not of metal; non-metal covering profiles in the nature of non-metal roofing panels; woven coverings for use as geotextile materials for building, namely, geotextiles for use in connection with building construction and waterproofing roofs; slate; roofing slates;...