Vermont Black
Vermont Black is a medium to heavy texture slate that has a medium to dark gray color with darker, linear markings. While this slate does not weather into a multicolor roof, you may notice bronzing in the lighter parts of the slate over time.
ASTM Tests
| Value | ASTM Test Method | ASTM Grade | |
|---|---|---|---|
| Modulus of Rupture | 611 lbs. at 0.253 in | C-120-06 | S1 |
| Absorption | 0.163% | C-120-06 | S1 |
| Weather Resistance | .0019 in. | C-217-94 | S1 |
All Vermont Slate Company® roofing products meet or exceed ASTM C-406 S1 Standards
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