... workmanship, and installation costs.4,Outstanding durability Colorful stone coated metal roof tile adopts imported or home-made high- ... the substrates. The surface is coated with 7-layer protective ingredients of AL-Zin, macromolecule resin, natural granules, etc., ... waterborne acrylic resin.Matt design, reducing light pollution, yet rich colors, full of tensionThanks to the granules coated to the ...