The Delta Slate Company combines with many quarries to expedite slate sales.

We also visit job-sites and consult with Contractors and Architects to assure a well-installed, consistent product. We confirm specifications, slate types, and matching new and salvaged product.

From the traditional Vermont Blends, North Country Black and Buckingham County Grayson, to Welsh and Spanish imports, we keep track of what’s available and when its available.

The value that we offer is that we know slate: grain, cleave, color changes, thicknesses, the slate’s history, the quarries it comes from and the quarriers who make it.

We have all ASTM data on slate.