roofing shingle 1.protect house from moisture 2.prevent ... apperance 4.convenient installation roofing asphalt shingleSpecification: Name:3-tab shingle Length: 1000mm Width: 333mm Height: >=2.6mm Packing ... ;2.style:single layer include plain shingle,Mosaic,gothic,fish scalelike shingle,lantern shingle ;double layer;3.material:ceramic use ... production,guarantee the quality. supply asphalt roofing shingle