Durable Material —Slate

Published: 7 January, 2010, 5:52 am PST

Natural stone has been used in roofing applications and proven durable in excess of one hundred years.
Historically, natural stone has been used for roofing more so in the north of England and Scotland. Due partly to the harsh weather conditions and also, availability of suitable local stone.
Being very durable and long lasting, an investment in slate stone is worthwhile. Slate offers results that are simply incomparable. As workable as wood and as indestructible as stone, slate can be sawed, cut, polished and etched. Few materials share its resistance to weather, pollutants and the freeze-thaw cycles.
Fine-grained, clayey metamorphic rock that splits readily into thin slabs that have great tensile strength and durability. Some other rocks that occur in thin beds are improperly called slate because they can be used for roofing and similar purposes. True slates generally split not along the bedding plane but along planes of cleavage that may intersect the bedding plane at high angles. Slates may be black, blue, purple, red, green, or gray. Slate may be marketed either as dimension slate, used mainly for electrical panels, laboratory tabletops, roofing, and flooring, or as crushed slate, used on composition roofing, in aggregates, and as a filler.
Whether gray, black, blue, green or red, slate possesses the rare ability to enhance just about any type of building or landscape simply by its presence Slate offers an extremely wide array of uses. Though traditionally reserved for roofing, slate tiles are increasingly popular for paving patios and paths, covering walls or building stairs and low walls.

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