Roof any specific house has three main purposes. Number one being the shelter. This helps to protect individuals from Sunlight, rain, storm some other such natural ailments. Secondly roof is intended Fish scale mosaic tile for coastal properties heat retaining material. Roof cuts down the exchange of heat and cold of house with outside world. Ledge stone This in turn helps folks to live more healthy life because will not fall sick so often. In modern roofing special techniques of insulation are provided and to do this paper, foam, plastic various other such materials are considered. Roof also serves the architectural purpose of house or building.
Because slate is stable thermally and chemically inert; many laboratory tables are topped with slate. That makes those pretty hard to move, too, but run a safe home for chemists and individuals that work with volatile chemicals to purpose. It wouldn't do to accidentally drop hydrochloric acid on a wooden table top, bit more . it happened on a slate one it wouldn't matter.