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Construction Materials Engineering & Testing

From exploratory drilling and geotechnical evaluation of a site’s soil conditions—through inspection and testing of the roofing materials, Stork Materials Technology assists architectural and construction teams from top to bottom.

From the foundation to the rooftop

Stork’s Construction Materials department evaluates building materials and products. The Construction Materials Department is a full-service construction materials testing laboratory from planning to completion.

Stork Twin City Testing serves clients requiring product and material testing by offering a unique blend of engineering and testing services.  The Construction Materials Services business is organized into three service areas: Geotechnical Engineering and Exploratory Drilling, Construction Material Evaluation, and Building Product Testing Services. 

Supporting your construction project's quality control program and staff

Stork Twin City Testing offers a comprehensive program of construction observation and materials testing services to provide the documentation needed to ensure quality construction and complete building code compliance.

The accreditations and qualifications you need

Our professional staff is comprised of registered and graduate engineers from accredited geotechnical, civil, and construction engineering curriculums. Our technicians are trained and certified in construction testing by NICET, ACI, and various state agencies. Our dedication to professional services is exemplified by our active membership in technical and professional societies such as ACIL, ASTM, ASCE, ASNT, AWS, AFSE, and CEC. We promote a policy of continuing education by attending seminars and courses that are pertinent to construction observation and testing.

Stork Twin City Testing supports a program of maintenance and calibration of equipment and laboratory facilities to ensure accurate construction testing. Our personnel and facilities are periodically inspected and accredited by AASHTO, CCRL, Corps of Engineers, ICC, and various other state and private agencies.

Onsite and in the lab

In addition to fieldwork, Stork engineers test products and materials in the laboratory to evaluate compliance with published specifications, comparison purposes, research and development, performance verification, or failure analysis.  

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Contact us for help with your construction products and projects. 1-888-STORK-55.

Related services:

  • Asphalt Testing

  • Building Products

  • Concrete Testing

  • Geotechnical Services

  • Projects

  • Soil Analysis

  • Stork locations offering Construction Materials Testing and Engineering services:

  • Stork Twin City Testing Corporation - St. Paul, MN


  • Relevant quality agencies, standards and specifications for Construction Materials Engineering and Testing methods:


  • AASHTO

  • AASHTO M164

  • AASHTO M252

  • AASHTO M294

  • AASHTO PP1

  • AASHTO PP6

  • AASHTO T166

  • AASHTO T244

  • AASHTO T30

  • AASHTO TP1

  • AASHTO TP4

  • AASHTO TP5

  • ACI

  • ACI 211.1

  • ACI 211.2