The National Tile and Stone Authority provides expert witness services and forensic investigation in construction defect litigation involving tile, natural stone, glass tile, waterproofing systems, and submerged installations such as pools and spas.

NTSA is retained by attorneys, insurance carriers, contractors, developers, and property owners to investigate failures, analyze compliance with industry standards, and provide expert reports, deposition testimony, and trial testimony.

Opinions are based on site inspections, destructive testing when necessary, laboratory testing review, and analysis of compliance with industry standards, manufacturer instructions, and project specifications.

Cases are handled nationwide.