North Country Semi-Weathering (Sea) Green roofing slate

A premium quality roofing slate, a percentage of these slates will weather to tones of brown and buff over time. 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.
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Custom home mansion in Oakville, Ontario  North Country Semi-Weathering Green, 20" x 10" x 1/4"

Custom home mansion in Oakville, Ontario North Country Semi-Weathering Green, 20" x 10" x 1/4"

1558 Doctor Penfield, Montreal Semi-Weathering Green roofing slate, 16" x 8" x 1/4"

1558 Doctor Penfield, Montreal Semi-Weathering Green roofing slate, x x

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

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

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

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

North Country Semi-Weathering (sea) Green slate roof, 14” x random width x 1/4” #semiweatheringgreenslate #northcountryslate #naturalslate #slateroof #slate #oakvilleontario #slateroofing

North Country Semi-Weathering (sea) Green slate roof, 14” x random width x 1/4” #semiweatheringgreenslate #northcountryslate #naturalslate #slateroof #slate #oakvilleontario #slateroofing

Mansion in Oakville, Ontario  North Country Semi-Weathering Green roofing slate, 18" x random x 3/8"-1/2"

Mansion in Oakville, Ontario North Country Semi-Weathering Green roofing slate, 18" x random x 3/8"-1/2"

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

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

Sea Green slate roof with mitred hip installation detail.

Sea Green slate roof with mitred hip installation detail.

McGill University's MacDonald Engineering Building, semi-weathering green roofing slate (16" x 8" x 3/8")

McGill University's MacDonald Engineering Building, semi-weathering green roofing slate (16" x 8" x 3/8")

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

S/W Gray/Green graduated natural slate roofing project in Toronto, Canada.

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 slate weathering to tones of buff, brown and tan. Open valley installation with non-corroding flashing.

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

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

Semi-Weathering Gray/Green. Copper flashings

Semi-Weathering Gray/Green. Copper flashings

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

Natural slate withstanding the freeze / thaw cycles of the great Canadian Rocky Mountain winters

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