Call us: 409.740.0090

Aaron Shaffner, RRO, REWO, CDT


Building Envelope Consultant/Vice President Of Quality Control

Bill Coltzer Jr.

Aaron Shaffner, RRO, REWO, CDT

Aaron joined Zero/Six in 2009 as a field technician. Since that time Aaron has been a Water Testing Team Leader, Field Specialist, Senior Field Specialist, Assistant Project Manager, Project Manager, Envelope Specialist III and is now a Building Envelope Consultant. Aaron is certified by IIBEC as a Registered Roof Observer (RRO), a Registered Exterior Wall Observer (REWO), and a Construction Specifications Institute Certified Construction Document Technologist (CCDT). Aaron is responsible for site inspection and reporting, verification of project documents and coordination of commissioning activities. Aaron delivers detailed reports with comments, observations and recommendations that summarizes all major findings that could effect the performance of the building envelope. His attention to detail and thorough knowledge of roof systems and exterior wall systems, assemblies, and components has proven to be a valuable asset for our clients.

Significant projects on which Aaron has earned valuable and significant experience include:

Higher Education – New Construction

The University of Houston, Multidisciplinary Research & Engineering Building Houston, TX, 120,000 SF, In Progresst

The University of Texas at Dallas, Engineering Building Dallas, TX, 200,000 SF, In Progress

Texas A&M University at Galveston, Academic Building Complex Phase I & II Galveston, TX, 86,000 SF, Completed 2019

Texas A&M University, Liberal Arts and Humanities Building College Station, TX, 107,000 SF, 2013 (LEED Silver)

Higher Education – Renovation / Expansion / Forensic

The University of Houston, University Center Houston,
TX, 126,000 SF, 2016

Condo / Hotel / Office – New Construction

MetroNational, Hotel ZaZaMemorial City
Houston, TX, 134,500 SF,
Completed 2019

MetroNational, 10100 Kay Freeway Houston,
TX, 240,000 SF, In Progress

Healthcare – New Construction

MD Anderson Cancer Center Woodlands,
Texas, 210,000 SF, Completed 2019

UTMB, Health Education Center Galveston,
TX, 162,000 SF, Completed 2019

UTMB, Clinical Services Wing Galveston,
TX, 240,000 SF, In Progress

UTMB, Jennie Sealy Hospital Galveston,
TX, 758,677 SF, 2016

UTRGV Institute of Neuroscience Building Harlingen,
TX, 32,570 SF, In Progress

Healthcare – Renovation / Expansion / Forensic

Houston Methodist Sugar Land Hospital, South Tower Sugar Land, 81,800 SF, In Progress

Methodist Hospital Willowbrook Houston,
TX, 496,000 SF, In Progress


  • Home Office
    • Galveston, Texas
  • Certifications
    • Registered Roof Observer (RRO),
    • Registered Exterior Wall Observer (REWO)
    • construction Document Technologist (CDT)
    • OSHA 10
    • Fall Protection
    • Elevated Platform Safety

  • Professional Affiliations
    • IIBEC
    • CSI
  • Years of Experience
    • 11 years with Zero/Six

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