171 Locke Drive, Suite 114
Marlborough, MA 01752

(508) 786-3088

Slateis a fine grained metamorphic rock formed from an original shale type rock that was composed of clay or volcanic ash. Slate has two breakage lines; grain and cleavage. When cut with the grain the slate will have a smooth finish. If the slate is cleaved or cleft the slate was cut going against the grain giving the slate a rougher, more natural looking finish.

In the home slate is mainly used for fireplace surrounds, and flooring. Slate tiles can come gauged; having the same thickness throughout the entire tile. Or, the tiles can be ungauged; having a varying thickness throughout the entire tile.



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