top of page




  • Architectural Stone Characterization and Material Identification     by PLM

  • Paint Services - Dry Mil Thickness, Forensic Analysis for Paint Deterioration, Color Determination and Photomicrography




  • Principal Petrographer - Field Investigation/Sampling

  • Mortar Analysis - Petrography - ASTM C1324 (Level III)

  • Mortar Analysis - Petrography - ASTM C1324 w/Chemistry

  • Mortar Analysis - Petrography - ASTM C1324 w/Thin Section

  • Mortar Analysis - Mineralogy/Sand:Binder/Sieve (Level II)

  • Material Characterization/Mineralogy (Level I)

This is not an exhaustive list of our petrographic services. Please contact us for additional information and pricing.



Experienced in petrographic investigations of mortar and cement materials associated with historical restoration projects. Provide a variety of tests and investigations specifically tailored to the client's scope of work. Work closely with the project manager in order to provide pertinent information regarding the material in question without unnecessary tests. Significant projects include The Alamo - San Antonio involving mortar and stone analysis to determine historical building campaigns, Starr Family Home - Marshall, St. David's Cathedral, Charnley Cottage, Kellum-Noble House, McCulloch County Courthouse, Jefferson County Courthouse and Jackson Barracks, where natural Rosendale Cement was identified and characterized in the original mortar.

Stone Characterization


Specialized experience in architectural stone characterization and material identification by PLM. Projects include Trammell Crow Center Statuary, Legacy Park - Clifton, Corpus Christi Cathedral, Randall County Courthouse, Union Mercantile Building in Fort Davis and the Chisolm Trail Museum.



A variety of paint services are also offered including dry mil thickness, forensic analysis for paint deterioration, color determination and photomicrography. Projects include Mother Neff State Park, Lampasas County Courthouse (original paint color restoration), Brenham State School and 100 Congress Avenue, Austin, Texas.

bottom of page