Laboratory & Field Exterior Enclosure Performance Testing
Event Type: 
February 14, 2020
12:00 pm to 1:30 pm
11 East Madison, Suite 300, Chicago, IL (Gensler) - Conference Room #16
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The presentation will discuss best practices for preparing and performing field testing related to windows, window walls, curtainwalls and including air barriers. Various test procedures will be discussed, and guidance on how to achieve the most effective testing protocol based on the extensive experience of the presenters ranging from testing various fenestration systems, but also forensic evaluations identifying probable cause(s) of failure. 


  1. Gain an understanding of the various types of field tests available.
  2. Learn about the differences between lab testing and field testing.
  3. Learn from various case studies related to common problems with field testing.
  4. Gain an understanding of key points on how to specify field testing.


Tim Quast - CEO, Matt Wendland – Vice President,  & Jeff Zibton – Project Manager, Quast Consulting & Testing, Inc.

Mr. Quast is responsible for the startup management and customer support of Quast

Consulting and Testing, Inc. (QCT). Mr. Quast has extensive experience in the primary

performance testing of exterior facades and fenestration. This experience extends both in the

laboratory and on-site/field testing environments. His experience includes field testing,

forensic/diagnostic testing, laboratory mock-up erection and testing, field quality control

inspections, and design/calibration of test equipment utilized in the primary performance

testing of fenestration.


Mr. Wendland has 13 years of fenestration testing experience beginning in 2006. He began his

career as a field testing technician working directly with Mr. Tim Quast, who served as his

mentor. Matt studied business management at Northcentral Technical College in central

Wisconsin where he attended accelerated courses while working full time. Prior to QCT, Matt

worked at an insulated glass manufacturer where he was the floor supervisor. He participated in

the development of the QCT Field Testing Crew and is responsible for their day-to-day

operations and business development.


Mr. Zibton entered the fenestration industry after 11 years in general construction. In his 16

years in the building envelope arena, he has extensive experience with product, mock-up, and

field testing, and also worked as a façade consultant. Currently, he oversees the physical

thermal validation testing, development of project Label Certificates, as well as the

coordination and execution of project specific thermal analysis. He is an NFRC Certified

Simulator, NFRC ACE, NFRC IRC, and Member of the NFRC Fenstar Verification Policy Advisory Group.


For BEC Chicago members, an RSVP invite will be sent out approximately 7 to 10 days in advance of event. For non-BEC Chicago members interested in attending, you may contact Jeff Diqui at to request an invite. The inviation will include a link to a mandatory RSVP.