ROBERTS

CONSULTING

GROUP
WINDOW LEAKS.com

​Robert R. Tellez has been involved in the construction industry since 1973. He currently serves as Forensic Expert, Building Inspection Service and Chief Estimator for Roberts Consulting Group and is the technical writer for Techniques and Comments newsletter about stucco, drywall, metal framing, weather protection and exterior building envelopes. We provide the following building inspection service commercial building inspection and advanced building inspections.  He also works with the California Contractors License Board and developed the Lath/Plaster Metal Framing and Drywall Examinations.

​ROBERT R. TELLEZ
President / Owner
window  Expert  
Forensic window Consultant

Roberts Consulting Group window testing

Roberts Consulting Group Window Testing and Building Inspection Service

WINDOW LEAKS.com is a California Business DBA Roberts Consulting Group, La Mesa, CA 91941       619-713-2024      ROBERTTELLEZ@COX.NET     

about us


Contractor Registration

    California Contractors State License Board, Class B - General Contractor Law and General Contractor Trade - 12/1986
    California Contractors State License Board, Class C-9 - Drywall - 3/1988
    California Contractors State License Board, Class C-35 – Plastering/Stucco - 2/2000
    California Contractors State License Board, Class C-26 – Lathing – 12/1986
    California Contractors Registration #502349 - 12/1986

Industry Expert

    Certified Industry Expert - Developed Contractors State License Board Examinations.
    36 years of experience in construction – commercial and residential.
    Construction defects: site inspections and destructive testing.
    Exterior envelope: water intrusion, windows, roofing, waterproof
    decks, below-grade water proofing, framing, finish carpentry.
    Window and door leak analysis with respect to product or installation.
    Inventor of United States Patent: www.RainStop2000.com.
    Case review: contracts, codes, industrial standards, manufacturers.
    Cost estimating: American Society of Professional Estimators.
    ICBO: Certified in Building Use & Construction Type.

Professional Organizations

    American Society of Professional Estimators (ASPE)
    Associated Plaster and Lathing Contractors
    Forensic Expert Witness Association (FEWA)
    International Conference of Building Officials (ICBO)
    Industry Expert Program (CSCLB)
    National Roofing Contractors Association (NRCA)
    Western Construction consultants Association (WESTCON) Guest Speaker Of Window Installation and Products