Natural Stone is a solid composite of one or more natural minerals which combine in a complex geological process to form one of the three major groups of stone defined as Igneous, Sedimentary and Metamorphic.
In the world of Architecture and Construction PBM partners with quarries from around the world to bring these materials to our 5 locations in the Bay Area; Flagstone, Cut/Dimensional Paving, Full Stone, Thin Veneer, Caps/Sills/Treads and various other products. Come, Explore, Discover.

Roman CobblesRoman Cobbles

Roman Cobbles

Salvaged from Eastern Europe, these sand colored cobbles are over 300 years old. Softened from years of traffic, these one of kind cobbles can be used in a variety of ways.

Roughly 4" x 4" x 4". Each piece has unique characteristics, sizes vary.

In stock while supplies last.

Natural stone products vary in color over time.
Visit our Showroom or material yards today to get a sample of current color ranges available.

Salvaged from Eastern Europe, these sand colored cobbles are over 300 years old. Softened from years of traffic, these one of kind cobbles can be used in a variety of ways.

Roughly 4" x 4" x 4". Each piece has unique characteristics, sizes vary.

In stock while supplies last.

Natural stone products vary in color over time.
Visit our Showroom or material yards today to get a sample of current color ranges available.

Stay in Touch with Us

Stay informed on upcoming events

Monthly newsletter featuring new product trends