Haag Welcomes Andy Massingill, P.E., Mechanical Engineer in Da...

Haag Welcomes Andy Massingill, P.E., Mechanical Engineer in Dallas & New Corp Office Location!

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Haag's Lab and Offices Relocated. Our expanded Lab is open now!

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Senior Engineer

Robert A. Danielson P.E.

Senior Engineer

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Primary Areas of Consulting

  • Structural Evaluations
    Residential, agricultural, and light-frame commercial/multi-family buildings
    Wood and engineered wood products
    Code compliance
  • Construction-Related Failure and Damage Assessment
    Code interpretation and compliance issues
    Building envelope
  • Wind Engineering and Related Storm Effects
    Structural damage
    Roofing systems
    Quality of manufacture and application of roofing
    Cause and extent of damage, particularly from hail and wind
Licensed Professional Civil Engineer in the States of: Arkansas, Colorado, Florida, Illinois, Iowa,
Louisiana, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Texas, and Wisconsin


  • American Society of Civil Engineers
  • American Society of Agricultural and Biological Engineers

College Education

  • Bachelor of Science in Agricultural Engineering
    Texas A&M University, 1998

Testimony history available upon request.

Des Moines, IA * 952-808-7100 * HaagEngineering.com