Expertise

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Clients from markets and industries across the built world rely on our interdisciplinary team of engineers, architects, and materials scientists to develop an all-around understanding of their needs, provide expert consultation on available options, and develop solutions that deliver lasting value.
Laboratories
Our extensive in-house laboratory and testing capabilities are second to none. With laboratories in our Austin and Cleveland offices as well as a 70,000-square-foot state-of-the-art testing and applied research facility at our Northbrook, Illinois, headquarters, we have the advanced testing and forensic capabilities to solve virtually any problem related to structures, construction materials, or manufactured components.

People

We strive to make a positive difference in the world by consistently setting the standard in every key aspect of our business, starting with the extraordinary people we employ. Connect directly with an expert on our team.

Sustainable Solutions
WJE is committed to sustainability in construction, applying a long-term lens to materials selection, performance testing, systems integration, repair design, and conservation.

Projects
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    WJE PROJECTS
    Our team has investigated, tested, and innovated on more than 175,000 projects involving almost every type of construction material, structural system, and manufactured component. We take a hands-on, empirical, and investigative approach to every assignment. Although materials, technologies, and structures change, our basic philosophy doesn’t. Founder Jack Janney’s advice to “ask the structure” continues to guide our project work today.
Knowledge
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    We’re passionate about our work and believe it is our responsibility to share our experiences and lessons learned for the enrichment of our clients and the advancement of our industry. We hope you learn something new that helps you better understand and address a challenge you face in your own work.
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    We regularly host webinars on interesting topics and challenges related to the built world. We encourage you to search through our library for subjects of interest to you. Watch, listen, and share with others.
  - Videos
    Experience our capabilities, project work, laboratories, and company culture as told by our staff and clients in this selection of videos.
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    Our professionals are leaders in key industry organizations and technical committees and regularly contribute to the ongoing dialogue of the built world at conferences and other educational forums. Check back soon to see where our experts will be speaking next.
  - Websites
    Learn the “what” and “why” and “when” of facade and seismic ordinances in various cities throughout the United States, as well as our recent efforts with sustainable (low carbon) concrete.
    
    SustainableConcrete.com
    
    FacadeOrdinance.com
    
    SeismicOrdinances.com
Careers
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    A career at WJE means working alongside industry gurus to solve the most significant, interesting, and challenging problems of the built world. Whether you'd bring years of experience to our team or you're just out of school, a career at WJE may be the right choice for you.
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EXPERTISE // LABORATORIES // TESTING STANDARDS

Standard Test Method for Water Absorption of Slate

ASTM C121

This test method covers the determination of the water absorption of slate.

WJE laboratories are accredited by ANAB (ISO/IEC 17025) to perform testing standard ASTM C121 for Standard Test Method for Water Absorption of Slate. Contact us to learn more.

Keywords

ASTM C121 - Water Absorption - Slate

ICS CODE

91.100.15

TESTING STANDARDS

Wiss, Janney, Elstner Associates is committed to helping our clients solve, repair, and avoid problems in the built world. Supported by unparalleled laboratory and field testing capabilities, our team of engineers, architects, and materials scientists brings an enthusiasm for problem solving and a hands-on technical approach to every challenge.

Ask the Structure and Solutions for the Built World are trademarks of Wiss, Janney, Elstner Associates, Inc.

© COPYRIGHT WISS, JANNEY, ELSTNER ASSOCIATES, INC., NORTHBROOK, ILLINOIS. ALL RIGHTS RESERVED.

Engineering

Architecture

Laboratory

Field

Forensics

Design

Buildings

Construction

Energy

Industrial

Infrastructure

Insurance

Testing and Research

SustainableConcrete.com

FacadeOrdinance.com

SeismicOrdinances.com

AMERICAS

EUROPE

EXPERTISE // LABORATORIES // TESTING STANDARDS