grayson slate
specifications
stone type
color
Charcoal gray with some reflective quality. Natural veining and markings occur.
weathering characteristic
“Unfading”, meaning it will hold its basic color even after many years of exterior use.
properties
ASTM Grade A, relatively even cleft, exceptionally strong and hard, durable, dense, low absorption rate, resistant to freeze-thaw cycles. Slip-, stain-, and heat-resistant. No detrimental effects on the environment.
suitability
maintenance
None required. Contact us for information regarding the use of sealers, impregnators, oiling, cleaning, etc.
samples
upon request
ASTM results
see test data link above
finishes
Finishes Descriptions
Natural Cleft - a textured, natural finish, both visually and to the touch. Achieved by splitting the stone along its cleave with a hammer and chisel.
Honed - an extremely smooth, eggshell finish. Achieved with the use of fine diamonds.
Cascade - a fairly flat, uniform finish with subtle ripples and soft texture.
Textured - a relatively flat and uniform cleft finish with more texture than Cascade.
Roofing - generally natural cleft both faces with trimmed edges.