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Ceramic Tile & Stone Forensic Expert Witness

Ceramic Tile and Stone Consultants, Inc.

Ceramic Tile and Stone Consultants, Inc.

P.O. Box 965
Jamul, California 91935

Phone(866) 669-1550


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Ceramic Tile and Stone Consultants (CTaSC) is a full-service company, providing forensic investigations and remediation, expert witness, testing, reporting, installation specifications, quality control, training, market research, business planning, and more.

CTaSC has inspectors in or near most major cities in USA and Canada, and some inspectors located in other countries. We are the leading experts in North America.

Our company specializes in ceramic tile, glass tile, stone, terrazzo, brick, wood, LVT, laminates, carpet and other floor covering products. We are a professional company of expert consultants comprised of accomplished ceramic tile and stone installers, construction scientists, and other industry specialists. We perform inspections and investigations nationwide and in Canada, and have local inspectors near most major markets. We do have a FCITS Certified Flooring and Hard Surface Master Inspector for Residential and Commercial applications on our staff and we do perform wood, carpet, LVT, laminate, and other flooring inspections and investigations.


CTaSC provides the following services:

- Forensic Failure Investigations for Ceramic Tile, Natural Stone, Porcelain Tile, carpet, wood, laminates, vinyl, LVT, precast concrete, manufactured stone veneer and other floor covering and wall covering products.

CTaSC has local inspectors near most major markets throughout the U.S. and Canada who will travel to tile or stone problem sites to inspect, evaluate, and report findings, with a scientific approach.

CTaSC will investigate and inspect ceramic tile, glass tile, and stone (granite, limestone, travertine, slate, sandstone, marble, etc.) installation applications that includes tile exterior veneers, tile steam rooms, tile showers and bathtubs, tile swimming pools and water fountains, tile floors, tile spas, tile domes, and etc.

We do have a FCITS Certified Flooring and Hard Surface Master Inspector for Residential and Commercial applications on our staff and we do perform wood, carpet, LVT, Laminate, and other flooring inspections and investigations.

CTaSC performs ceramic tile and stone inspections for the Tile Council of North America (TCNA) and the Natural Stone Institute (NSI) formally the Marble Institute of America (MIA). Donato Pompo is a recognized consultant for the National Tile Contractors Association (NTCA). CTaSC provides objective ceramic tile and stone inspections based on Tile Council of America Handbook (TCA) and ANSI standards and based on NSI Dimension Stone Design Manual standards.

- Quality Control Services for Ceramic Tile and Stone Products and Installation Methods

CTaSC will review existing specifications to evaluate and advise suitability of the product and the methods of installation relative to the specified applications and intended use and the level of required performance.

- Testing

CTaSC performs project site testing to include ceramic tile testing, glass tile testing, limestone testing, granite testing, marble testing, travertine testing, sandstone testing, slate testing, and other natural stone assembly testing. CTaSC manages, performs, and evaluates ANSI standards and ASTM physical property laboratory testing on ceramic tile, natural stone, granite, marble, slate, sandstone, limestone, travertine, glass tile, installation materials, and to substantiate or further determine the cause of failures in forensic investigations.

- Market Research

Comprehensive Research Reports for U.S. markets are available that will give you all the details of the Stone Industry, the Ceramic Tile Industry and the Floor Covering Industry as a whole. The reports provide forecasts and trends, and list major importers and their foreign suppliers. CTaSC can also develop online surveys to reach target audiences and markets which will help you better understand your clients' and market needs. For importers or domestic and foreign manufacturers of ceramic tile, stone or related products: CTaSC will test products and research demand to help you position the product in the market, and design the right marketing plan and sales plan.

- Business Planning

We know we should, but most don't do a formal business plan. Not enough time? No one to do it? Not sure where to start? CTaSC can help you create your business plan. It's your business plan and you will make the decisions. CTaSC will facilitate the decisions for your company, and then CTaSC will put it into writing for you. CTaSC will facilitate the process of creating the structure and will help you collect the information so you can make the best decisions for your company. Then CTaSC will put it into writing for you.

- Expert Witness

CTaSC is available to perform investigations and provide expert testimony for depositions or court testimony as an Expert Witness.

Litigation Support Services

Ceramic Tile and Stone Consultants, Inc. will assist in obtaining favorable resolutions for ceramic tile and stone failures as a consultant and expert witness.

Areas of Expertise

Additional Expertise:

Porcelain Tile, Carpet, Wood, Laminates, Vinyl, LVT, Precast Concrete, Manufactured Stone Veneer, Concrete Tile, Travertine, Basalt, Slate, Quartzite, Sandstone, Soap Stone, Stone Veneer, Natural Stone, Brick & Stone, Flooring, Pools & Spas, Roofing, Tile, Waterproofing.


CTaSC founder, Donato Pompo has been a Ceramic Tile Consultant (CTC) since 1979 when he received certification from the Ceramic Tile Institute of America (CTIOA). He served as past chairman of the CTIOA Technical Committee.

Mr. Pompo serves on Tile Council of America's (TCNA), the American National Standards Institute's (ANSI), ISO, NSI, NTCA, ASTM C18 and C21 standard committees that are responsible for updating and setting standards for the ceramic tile and natural stone industries. He has been a member of the Construction Specifications Institute (CSI) since 1982, and is certified as a Construction Document Technologist (CDT) and a Council-Certified Microbial Remediator (CMR). He is a member of the Forensic Consultants Association and the Forensic Expert Witness Association. Donato is a certified ITS tile installer, a Certified Tile Specialist (CTC), and a Certified Stone Specialist (CSS) through the University of Ceramic Tile And Stone. He is a California Licensed C54 Tile Contractor ##1043005.

Mr. Pompo's undergraduate training is in biochemistry and he also has an MBA. His formal education, combined with over 35 years of experience in the field of tile and stone, from installation to distribution to manufacturing, makes Mr. Pompo a very effective and knowledgeable expert witness. His company, Ceramic Tile and Stone Consultants, has inspectors in most major markets nationwide and Canada.

Areas Served

All States, Canada and Internationally

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Professional Experience

CTaSC Founder, Donato Pompo

Ceramic Tile Installation: Worked as a Union tile installer's helper for a Union ceramic tile contractor in Los Angeles, CA in the late 1960's. Continues to perform installations of tile and stone for personal projects. Currently holds a C54 California Tile Contractor's License #1043005. I am an ITS Verified Installer through the University of Ceramic Tile and Stone.

17 Years as a Ceramic Tile and Stone Importer/Distributor: Extensive experience consulting and assisting architects with their ceramic tile, glass tile, and stone selections and installation methods. Worked closely with ceramic tile and stone installers, as well as with general contractors, educating them and helping them design installation systems.

7 Years as a Manufacturer of Installation Systems: Over seven years working with a manufacturer of installation products and systems for ceramic tile, glass tile, stone and terrazzo. Provided technical consultation to architects and installers. Wrote installation specifications. Developed and ran training programs, investigated and resolved many job failure claims.

35+ Years of Training: Extensive experience with effective results in teaching installation methods for ceramic tile and stone to architects, installers, distributors, and manufacturers. Conducted presentations on technical information in order to prevent potential installation problems, and developed and provided training resources and programs.

Work History

2002 to present
President and Owner of Ceramic Tile And Stone Consultants, Jamul, CA

2002 to present
President and Owner of the University of Ceramic Tile and Stone, Jamul, CA

1995 to 2002
Regional Sales Manager, Western USA and Western Canada, Laticrete International, Bethany, CT

1994 to 1995
National Account Representative, 13 Western States, Laticrete International, Bethany, CT

1977 to 1994
Executive Vice President, Southwestern Ceramic Tile & Marble Co., San Diego, CA

Real Estate Agent, J & J Real Estate, Fort Leavenworth, KS

1971 to 1975
College with BioChemistry Major

1969 to 1971
U.S. Army 82nd Airborne Military Police and General's Secretary


California Licensed C54 Tile Contractor ##1043005

Legal Experience & Services

Ceramic Tile and Stone Consultants, Inc. has been a designated expert witness in hundreds of cases and has given expert testimony over 30 times.


• ANSI A-108 American National Standard Specifications Institute
• ASTM C18 Dimension Stone Committee
• ISO TC189
• Construction Specification Institute (CSI)
• Ceramic Tile Distributors Association (CTDA)
• Ceramic Tile Institute of America (CTIOA)
• Forensic Consultants Association (FCA)
• Forensic Expert Witness Association (FEWA)
• Uniform Plumbing Code (IAPMO)
• Indoor Air Quality Association (IAQA)
• International Code Council (ICC)
• Natural Stone Institute (NSI)
• Materials & Methods Standards Association (MMSA)
• National Tile Contractors Association (NTCA)
• Tile Council of North America (TCNA)
• Tile Heritage Foundation
• The Masonry Society TMS 402/602 Committee


-Certified Ceramic Tile Consultant (CTC), certified through the Ceramic Tile Institute of America since 1979
-C54 Tile (Ceramic and Mosaic) California Contractor's License #1043005. ITS Certification through UofCTS
-Certified Tile Specialist (CTS), Certified Stone Specialist (CSS), and ITS Verified through the University of Ceramic Tile and Stone (UofCTS)
-Certified Construction Documents Technologist (CDT) through the Construction Specification Institute (CSI)
-Certificate of Completion for Mold Remediation in Buildings
-Certified Microbial Remediation Course Completion March 19-21, 2007
-Council-Certified Microbial Remediator (CMR) June 19, 2007
-Recognized Consultant for the National Tile Contractor Association (NTCA)
-Real Estate License in Kansas
-Private Pilot License and 82nd Airborne Paratrooper

Awards & Honors

2012 The Construction Specifier Magazine Article of the Year for "Good Specs Means Good Tile and Stone Installations" article.

Seminars & Training

Mr. Pompo is very active in giving presentations at major industry trade shows and conferences. Training services are offered through his company on a variety of ceramic tile and stone related subjects.

Mr. Pompo is also the founder of the "University of Ceramic Tile and Stone" ( The UofCTS is a training tool for anyone working in the industry, from installation to sales, to manufacturing, etc.


Over 40 published articles in national publications listed on our website.


CTaSC Founder, Donato Pompo

1996 to 1997
MBA with emphasis in Marketing (GPA 4.00)
University of Phoenix – San Diego, CA

1994 to 1996
MBA with emphasis in Finance (GPA 3.82)
University of Phoenix – San Diego

1992 to 1994
Bachelor of Science in Business Administration with emphasis in Marketing (GPA 3.79)
University of Phoenix – San Diego, CA

1974 to 1975
Biochemistry Major with Full Scholarship
University of California at San Diego, Revelle College – San Diego

1971 to 1974
Biochemistry Major (GPA 3.77)
Orange Coast College – Costa Mesa, CA

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