A stone coating on a metal roof cuts down some sound frequency, but some sounds can still be heard when it rains or hails closely. Naberezhnye Chelny stands as the next-biggest town in Tatarstan. Students speculate which the roots of this city trace again for the eleventh century. Verify with https://stone-coated-roof-tiles42197.wikikali.com/1847509/everything_about_stone_coated_roof_tiles