Roberston Engineering Investigations

Forensic Engineering Fire Investigation Accident Reconstruction

Certified Roof Inspections — Cause of Loss Analysis

REI staff are licensed professional engineers and certified commercial roofing inspectors through the Haag Engineering Certified Roofing Inspector program. REI investigators have investigated a broad array of issues. The following is a list of some exemplar items that REI regularly evaluates:

  • Hail Damage
  • Wind Damage
  • "Age of Failure" Analysis
  • Installation Issues
  • Overall Cause of Failure Analysis
  • Destructive and Non-Destructive Analysis
  • Warranty Coverage
  • Building Code Compliance

REI experts have experience in the construction industry and have investigated the cause of various roof system failures. REI has experience with most types of roof systems with some the most common being shingle, metal, EPDM, PVC, flat, pitched, built-up, mod-bit etc. Each type of roof will have specific characteristics which are critical to understand their function and failure modes.

REI engineers are expert in determining the cause of damage and frequently evaluate the age of the damage to allow clients to evaluate coverage and liability. REI experts are always willing to serve as expert forensic witnesses to present and defend investigation findings.

  • Ponding on PVC Thermoplastic Roof
  • Hail Damage to Stucco Parapet
  • Wind and Hail Damage on Shingle
Robertson Engineering Investigations
Based in Las Cruces, NM and El Paso, Texas
Phone: (575) 644-9595 • Fax: (866) 532-8577 • Email:

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