Roofing Slate - Semi-Weathering (Sea) Green

North Country Semi-Weathering (Sea) Green is a premium quality roofing slate. Gray/Green when quarried, a percentage of these slates will weather to tones of brown and buff over time. North Country Semi-Weathering Green slate provides moderate color and texture variations while maintaining a primary background color of green. They are frequently used as the base color in multi-colored slate roofs. Produced by select Vermont quarries, this slate meets or exceeds ASTM standards as an S-1 rated roofing slate.