Finishes of Slate

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Slate's surface may be finished in a number of ways.

Typical finishes for slate are:

Natural Cleft:

A cleavage face formed when the slate is split into any thickness

Honed:

A satin smooth surface with no gloss

Sand Rubbed:

A flat, non-reflective surface

Some stone finishes can affect strength and durability. Examples are brush hammered and thermal finishes which initially reduce a stone's thickness and also make's it more vulnerable to weakening from exposure to freeze and thaw cycles.

(The type of finish desired bears some relationship to final cost.)

Reference: Dimensional Stone Design Manual, Marble Institute of America

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