• Define the problem.
• Obtain a chronological history of the flooring installation and material.
• List detailed observations of the problem area(s).
• Perform field tests (if applicable) and record the results.

… and write a comprehensive report containing:

• The source of the instructions and the purpose of the report.
• Basis on which the report was written.
• Statement and description of problem(s).
• Names and dates.
• Site description.
• Product description.
• History of the matter.
• The documents referred to in the preparation of the report.
• Field test results (if applicable).
• Applicable industry and manufacturer standards.
• The facts ascertained.
• Expert opinion based on collected data, including responsible party.
• Possible solutions to resolve, rectify or repair the problem.
• Conclusions, cross referenced to the main text.
• Summary of the expert's qualifications and experience.