... appearance 3.energy efficient Colorful stone coated metal types of roof tiles factoryTypeBent tileConstruction0.4mm galvalume,vermiculites processed by ... high technology on surfaceSpecificationoverall length:1680mm,1335mm,1170mm,1340mmlength of cover:1620mm,1280mm,1080mm,width of cover:375mm, ... vermiculity has be processed by high temperature,thus to be bright colour and never fadelife span30 years ...