Areas of Expertise

Professional Engineering Expertise

Our professional, expert engineers are liscensed and experienced in a diversity of key disciplines

Expert Witness & Litigation Consulting

Construction Defects

Energy

Construction, Cranes and Heavy Equipment

Geotechnical Engineering

Catastrophe

Civil/Structural Engineering

Mechanical Engineering and Metallurgy

Electrical

Roofing

Our Locations

Haag operates offices, satellite offices and special catastrophe offices to help meet our clients needs worldwide.

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featured projects

Our clients call upon us to perform assignments all over the world

Brick Veneer Collapse
Haag Engineering was asked to determine cause of exterior masonry veneer damage, and when that damage occurred.Read More
Grain Elevator- OSHA Citation
Haag Engineering was asked to evaluate design and installation of a cross-flow grain dryer at an Ohio grain elevator. Haag was asked to address the merits of an OSHA citation related to installation and safety, & evaluate compliance with 29 CFR.Read More
Miami-Dade College Parking Garage Collapse
A six-level precast concrete parking garage collapsed during erection, resulting in multiple fatalities and injuries. Haag was tasked with determining the cause(s) of collapse and the cost of cleanup and rework.Read More
The Latest from haag
Technical Papers

Tower Crane Life Expectancy

by Jim D. Wiethron, P.E., Matthew R. Gardiner, P.E., Anthony E. Bond, P.E.. Edward P. Cox, P.E., PhD, and Ray A. King, E.I.T.

Protocol for Assessment of Hail-Damaged Roofing

by Jim D. Wiethron, P.E., Matthew R. Gardiner, P.E., Anthony E. Bond, P.E.. Edward P. Cox, P.E., PhD, and Ray A. King, E.I.T.

Long-term Effects of Hail Impact on Asphalt Shingles

by Jim D. Wiethron, P.E., Matthew R. Gardiner, P.E., Anthony E. Bond, P.E.. Edward P. Cox, P.E., PhD, and Ray A. King, E.I.T.

Ball Peen Hammer Test

by Jim D. Wiethron, P.E., Matthew R. Gardiner, P.E., Anthony E. Bond, P.E.. Edward P. Cox, P.E., PhD, and Ray A. King, E.I.T.

Wind Effects on Asphalt Shingles

by Jim D. Wiethron, P.E., Matthew R. Gardiner, P.E., Anthony E. Bond, P.E.. Edward P. Cox, P.E., PhD, and Ray A. King, E.I.T.