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.

Stone Thickness & Size Range

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

Stone Weights & Coverage

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

Geological Stone Type: Argillite

*All weights and coverages are approximate