The granules are produced in this kind of way that when placed on and embedded within our DECRA acrylic foundation coat, the particles suit with each other to offer the most coverage for our roof panel surface. The stones in DECRA’s stone-coated steel roofing goods are known as roofing granules. https://daltonfixer.bloggactivo.com/37898687/stone-coated-roof-tiles-things-to-know-before-you-buy