Vermont Strata Gray
Vermont Strata Gray slate is a medium gray slate with black stripes. This medium to heavy-textured slate usually shows some buff and brown weathering. The random angles of the strata lines combined with the semi-weathering qualities provide heavy contrast through the roof.
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-121-06 | S1 |
Weather Resistance | .0019 in. | C-217-94 | S1 |
All Vermont Slate Company® roofing products meet or exceed ASTM C-406 S1 Standards