Keep in mind that there are distinctive models of stone coated steel roofing with variations between them. The stones in DECRA’s stone-coated steel roofing items are known as roofing granules. The granules are created from normal stone which was mined at a quarry, then crushed and screened to numerous sizes. https://stone-coated-roof-tiles60471.ampedpages.com/everything-about-stone-coated-roof-tiles-54234088