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Roofing Slate

Vermont Slate is the finest roofing slate available.

Slate has been used for centuries to create beautiful roofs, renowned for resisting the assaults of rain, wind, and snow. With unique textures, soft colors and unmatched durability, it is the perfect marriage of practicality and beauty, enhancing any environment.

Slate is a natural product and like fingerprints, no two pieces are exactly alike… slight variations will occur in texture, thickness and shading. The combination of excellent appearance and performance has made Vermont Slate Depot a national leader for many roofing projects in the US and abroad.

The subtle textures and distinctive colors of Vermont Slate Depot's roofing slate will provide the crowning touch to any architectural design. One of the appealing characteristics of slate is the wide variety of natural colors. Roofing slate is classified in three different groups: "unfading", "semi-weathering" and "weathering" to indicate the degree of color change that can be expected. Unfading means that over time the slate will have essentially no weather tones. The slate might lighten or deepen in color and may have varying tones produced during prolonged exposure to the elements. Semi-weathering slate will change 10% to 25%, whereas weathering slate will change 30% or more. This weathering continues to some degree throughout the life of the slate but does not diminish the longevity of the material. We offer a full compliment of creative choices that will provide your roof with an enduring beauty that cannot be matched by man-made alternatives. Aesthetically a step above!

Vermont Slate Depot roofing slate has withstood the test of time. This 500 million year old stone is impervious to severe climatic conditions. Slate is a hard, dense stone whose structural integrity has withstood the rigors of ASTM testing and is fast becoming a popular choice in the architectural world. The intrinsic value of slate as a supreme roofing material can be attributed to the following qualities:

  • Last a lifetime
  • Noncombustible
  • Resistance to acid
  • Environmentally friendly
  • Low maintenance
  • Fire proof
  • Non staining
  • Impermeable to moisture

Design Considerations
Whether you choose the diminishing course of traditional random slating, or the more regular appearance of sized or patterned slates, Vermont Slate Depot slate will enhance any roof with character and visual appeal of a high-quality natural material.


Unfading Mottled Green & Purple
Green and purple combine to form unique patterns in each slate. Some roofing slates are mostly purple, while in others the green predominates. No two slates are exactly alike. Produced in Vermont.
Vermont Gray
Our Vermont Gray weathers uniformly. The natural battleship gray assumes a light bronze patina over time that deepens the color but maintains a gray roof. Rugged, durable and medium texture, Vermont Grey is the traditional "slate gray" stone roof. Occasional pieces may show buff and brown tones. Produced in Vermont.
Semi-Weathering Sea-Green
One of the most durable and plentiful of the Vermont slates. A pleasurable material to work for the slate craftsmen- cuttable and consistent. This stone is gray/green when freshly quarried and a naturally harmonious blend of greens, grays, and browns after weathering. Produced in Vermont.
Unfading Red
The one and only, true Unfading red carries a price tag that reflects the limited deposits and difficult production of this exotic and extremely hard material. Brick red in color and one of the most durable slates known. Produced in Washington County, New York.
Vermont Mottled-Gray Black
Grayish background with mottlings of various shades of darker gray-black. Some weathering can occur.
Unfading Green
Shades of green and gray/green that will not change in color. Some deposits are a very bright green, while others range gray/green. Produced in Vermont.
Royal Purple
A beautiful, nearly clear, Dark Purple Slate. Some pieces may have small markings of Green, but are predominantly Purple. Some weathering to buffs can occur. Produced in Vermont.
Unfading Gray
A light Gray-Green Slate with some clouded grayer/black markings. Produced in Vermont.
Unfading Clear Black
A smooth textured, clear black slate.
Standard Texture
Standard texture roofs are composed of slate 3/16" to 1/4" thick and are either uniform standard length and width, or one length and random widths laid to line. The texture of the slate is moderately smooth.

Rough Texture
A rough texture roof utilizes slates which have a varying thickness and whose external surface is rugged in appearance.

Graduated Roofs
The graduated roof has the irregular features of the rough texture roof but has even greater variations in thickness and size. The slates are installed so that the thickest and longest are placed at the eaves and then the pieces gradually and proportionately diminish in size until the ridges are reached. Slate from this type can be obtained in any combination of thickness from 1/4" to 1".


Standard Sizes

1075 Vermont Route 30 North
Poultney, VT  05764
Phone : 802 287-5780
Fax: 802-884-1000
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Vermont Slate Depot