unfading red slate


stone image | specifications | finishes | applications | projects
Quarried in Vermont, Unfading Red Slate is a rare and expensive stone used for interior and exterior applications. Because of its superior properties and performance, unique red color and rich texture, architects specify this natural Vermont slate for interior slate flooring, exterior paving stone, stair treads, fireplace surrounds, slate wall cladding including slate wall shingles, countertops and roofing. Unfading Red Slate is available in natural cleft, honed and cascade finishes.

stone type



Rich red with intermittent gray and/or green markings. Other natural markings occur.

weathering characteristic

“Unfading”, meaning it will hold its basic color even after many years of exterior use.


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.


interior, exterior


Depending on the application, an impregnating sealer may be required. Contact us for information regarding the use of sealers, impregnators, oiling, cleaning, etc.


upon request

ASTM results

upon request


stone image | specifications | finishes | applications | projects

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 the fine diamonds.

Cascade - a fairly flat, uniform finish with subtle ripples and soft texture.

Roofing - generally natural cleft both faces with trimmed edges. slate roofing finish