Gray/Black, Strata Gray or Mottled Gray/Black is all produced in Vermont and New York. This slate has a medium gray undertone with black or dark gray stripes. A percentage of these slates will take on some buff, brown and tan tones over time.
North Country Semi-Weathering Gray/Black (Strata Gray) is a premium quality roofing slate of varying shades of gray with numerous inclusions of black and dark gray. A small percentage of these slates will weather to tones of brown and buff over time. North Country Semi-Weathering Gray/Black (Strata Gray) is produced by select Vermont quarries and meets or exceeds ASTM test requirements as an S-1 rated roofing slate.
FAQs
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Where does Gray/Black roofing slate come from?
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Do slate roofs need to be installed with an underlayment?
Underlayment is required by most local building codes. Traditionally asphalt saturated organic felts help protect the roof until all the slate is installed. It is best to check with the International Building Code (IBC) on what is required.
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Are slate roofs expensive?
When you amortize the cost of a slate roof over its life expectancy of 75 + years it will be the least expensive roofing investment you will ever make! The material cost of a natural slate roof can be as low as $5-$6 / sq. ft. (USD)
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Where are slate roofs popular?
Slate roofs can be found all over the world. Extensively used throughout Europe for centuries and in North America dating back to the mid 18 th century when Welsh and Irish immigrants arrived with quarrying and installation knowledge. Checkout our Projects in Your Area page https://www.ncslate.com/projects/projects-in-your-area/ for more info.
