Castle Rock Ledge

Castle Rock

Ledge

Castle Rock stone comes from our highest mountain top quarry. Castle Rock is primarily grey, with chocolate brown, and light tan tones that display the ruggedness of Northwest Montana. ***Limited Availability - High Elevation Quarry***

Spec Sheet

Stone Specifications

Thickness & Sizes:

  • Thickness: 3-5"
  • Face Values: 2-8" high x 3-18" long

Weight & Coverage (Flats)

  • Weight per sq ft: 53 lbs
  • Weight per pallet: 4,000 lbs
  • Coverage per ton: 30-35 sq ft

Weight & Coverage (Corners)

    Geological Stone Type

    Chief Cliff / Argillite

    *All weights & coverages are approximate

    Parent Quarry

    Stone Vendor

    Via Dell’Arte

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    Northern Stone Supply

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    Delgado Stone

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    Pangaea CSI All Things Stone

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    Halquist Stone

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    Hardscape.com

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    Montana Rockworks, Inc.

    Montana Rockworks, the Northwest’s largest supplier of Thin Veneer, Architectural and Landscape stone. We are located in Kalispell, Montana; just south of the gorgeous Glacier National Park. We quarry our stone right here in the Northern Rockies; helping homeowners, architects, masons, and contractors bring the majestic beauty of natural stone into their homes and building projects.

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