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Green Stone Slate No other roof is as unique, elegant and long-lasting as a Greenstone genuine Vermont slate roof! Slate has been acclaimed for generations as the ultimate roofing material. Slate is natural stone with a remarkable property: it can be split into thin tiles of uniform thickness. This, along with a natural aesthetic appeal is what has made slate the most desirable roofing material for more than a thousand years!

A Vermont slate roof, since it is stone, simply has no equal in durability. Slate's natural beauty sets it apart from any other roofing material-each slate roof has a unique and exclusive character of its own.
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Greenstone Slate Company Our quarries in Vermont have produced an exceptionally fine quality stone for roofing slate for more than a century. We deliver consistently high quality product, with excellence in service and installation support, and competitive pricing-for the highest value possible in a slate roof.
The Greenstone Slate Company has 58 quarries in what is known the world over as the Slate Valley of Vermont. The Slate Valley is famous for its very high quality slate. The slate is removed from the ground, cut with diamond tipped saws and then hand split by Greenstone trained craftsmen. Then it is trimmed and drilled (or punched) to create roofing slates.
Below are our completed slate projects - including traditional slate roof installations, slate roofs using lightweight installation systems, slate roofs with solar integration, and slate cladding. If you have any questions about any of the projects shown here or would like to discuss your slate roof or slate cladding project, give us a call toll-free (800) 619-4333 or contact us here.
Not all slate is the same. Independent testing of slate reveals its ability to protect and enhance the aesthetic appeal of a building over time. Independent testing is a key to determining the overall cost of ownership and value a slate roof can add to a property.
Reviews (2)
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Ed Smith
Aug 19, 2018
Always does a great job supplying Bottom Line Construction and our clients with roofing slate!
Ronald Kuprian
Feb 01, 2016
I'm a slate roof installer. And to anyone that's has replacements to be done or wants high quality slate for their roofing project, This is the place to get the slate. I'm live in the capital district of New York. It's worth the trip to me.