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North Country Semi-Weathering Gray/Green (Sea Green)

Semi-Weathering Sea Green Slate Roofing Shingles North Country Semi-Weathering Gray/Green (Sea Green) is a premium quality roofing slate. Gray/Green when quarried, a percentage of these semi-weathering green slate will weather to tones of brown and buff over time. North Country Semi-Weathering Green roof shingles provides moderate color and texture variations while maintaining a primary background color of green. These semi-weathering roof shingles 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.
Semi-Weathering Sea Green Roof With Copper Ridge Cap

Semi-Weathering Sea Green roof with copper ridge cap and gutter detail.

Gilman School Athletic Center

Gilman School Athletic Center in Roland Park, Baltimore. Sea Green, single size 24x12x1/4-3/8” natural slate.

North Country Semi-Weathering Green Gable Roofs

North Country Semi-Weathering Green gable roofs. Natural slate withstanding the freeze / thaw cycles of the great Canadian Rocky Mountain winters

Natural North Country Semi-Weathering Gray/Green

Natural North Country Semi-Weathering Gray/Green (Sea Green) random width slates.

Sea Green Slate Roof With Mitred Hip Installation

Sea Green slate roof with mitred hip installation detail.

Semi-Weathering Gray/Green

Semi-Weathering Gray/Green. Copper flashings

Custom Home Project With Semi-Weathering Green Slate

Custom home project with Semi-Weathering Green slate. Mitred hip and saddle ridge detail.

Commercial Roofing Project In Banff, Alberta

Commercial roofing project in Banff, Alberta, Canada. Pipe-style snow guards system to prevent snow and ice from sliding off roof.

Gray/Green Slate Weathering

Gray/Green slate weathering to tones of buff, brown and tan. Open valley installation with non-corroding flashing. Copper ridge flashing. Three pipe-style snow guard system.

Gray/Green Graduated Natural Slate Roofing Project In Toronto

S/W Gray/Green graduated natural slate roofing project in Toronto, Canada. ASTM S-1 rated.

Custom home in Ormond Place / Boulevard Oaks Houston, Texas with weathering slate roof

Moffat Library of Washingtonville, Queen Anne Style architecture with Semi-weathering grey/green slate roof

Moffat Library of Washingtonville in New York. Queen Anne Style Architecture with Semi-Weathering Gray/Green slate roof 16" x random width x 1/4"-3/8"

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I have never had anything except a 5 Star Experience when working with North Country Slate.

- ABC Supply, Outside Sales

When our clients are looking for a natural slate roof, we highly recommend North Country Slate.

- Raines Brothers, Inc.

We have used North Country black on a large number of occasions, and we’ve found it to be an excellent quality slate it is very “workable”.

- John Chan, The Durable Slate Company
Looking for a slate roofing contractor?
We work with the top “slaters” to ensure quality installation from slate roofing repairs, restoration or new construction. Read More
What sizes of roofing slate are available?
The standard sizes for roofing slate start at 12″ in length and increase by 2-inch increments up to 24″ in length. Read More
How much does a slate roof cost? We are often asked by designers, architects, home and building owners “What will a slate roof cost me”?
On average, North American produced S-1 rated roofing slate will cost $400 – $600 USD per square (100 square feet) or $4.00 to $6. Read More

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