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This semi-weathering slate is an excellent hard-vein slate in shades of light to medium gray. When weathered, 10-20% of slate will exhibit buff shades.
All FireRock Slate meets or exceeds ASTM requirements as an S-1 rated roofing slate.
Slate is available in several grades or thicknesses ranges. Since slate is hand split, there is always some thickness variation, so each slate grade covers a range of thickness. It is generally considered that the better the grade, the better the aesthetic appearance as the characteristics of the stone become more apparent.
This semi-weathering slate is an excellent hard-vein slate in shades of light to medium gray. When weathered, 10-20% of slate will exhibit buff shades.
All FireRock Slate meets or exceeds ASTM requirements as an S-1 rated roofing slate.
Slate is available in several grades or thicknesses ranges. Since slate is hand split, there is always some thickness variation, so each slate grade covers a range of thickness. It is generally considered that the better the grade, the better the aesthetic appearance as the characteristics of the stone become more apparent.