Vermont Unfading Gray

Vermont Unfading Gray slate is a medium-texture slate, usually with black markings. It typically will not experience much, if any, buff & brown weathering. The color resembles battleship gray and may have a slight green hue when wet. It is a great choice for a formal design where uniformity in overall color is desired, but has enough shading to show some texture and depth on the roof.

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ASTM Tests

Value ASTM Test Method ASTM Grade
Modulus of Rupture 684 lbs. at 0.274 in C-120-06 S1
Absorption .200 % C-121-06 S1
Weather Resistance .0006 in C-217-94 S1

All Vermont Slate Company® roofing products meet or exceed ASTM C-406 S1 Standards

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