Perry World House: How the University of Pennsylvania Used Natural Stone to Transform its Oldest Building

by | Feb 28, 2020

The 17,400 square foot academic building features limestone cladding inside and out. It received a Pinnacle Award in the Commercial Exterior category, “an amazing transformation of a declining historic house into a vibrant modern jewel of an office building.”

How to Be Your Own Stone Sleuth

by | Feb 20, 2020

Learn how to test stone samples for hardness, acid resistance, and porosity. Kitchen designers, architects, fabricators, and restoration professionals can use diagnostic techniques to learn as much as they can about particular varieties of natural stone.