Vermont Royal & Variegated Purple
Vermont Royal & Variegated Purple slate is a deep purple slate, at times almost burgundy in color, which may have occasional green marks or inclusions. As with most natural stone, slight variations may occur over time due to weathering.
ASTM Tests
| Value | ASTM Test Method | ASTM Grade | |
|---|---|---|---|
| Modulus of Rupture | 616 lbs. at 0.249 in | C-120-06 | S1 |
| Absorption | 0.139% | C-121-06 | S1 |
| Weather Resistance | .0004 in. | C-217-94 | S1 |
All Vermont Slate Company® roofing products meet or exceed ASTM C-406 S1 Standards
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