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Building Envelope in North America

Optimize performance for building envelope components and systems with testing, commissioning and advisory services from UL’s Built Environment experts who focus on the latest standards.

Employees discussing while standing in testing facility

Our North American experts from Toronto and Montreal, Canada, offer a range of building envelope services.

Field testing

Evaluate the field performance and regulatory compliance of your building enclosure and identify the source of issues for remediation. Building envelope testing services can help you boost quality while mitigating risks that impact costs and delivery time.

UL’s comprehensive field testing services evaluate the performance of windows, curtail wall and guard rails assemblies, as well as building envelopes and roofs using infrared imaging, whole building air leakage tests, and other on-site testing. Our services can also help owners and architects increase confidence in their project and secure additional points for “enhanced commissioning” from BOMA Best, LEED and Net Zero.

Performance mock-up and field testing

Evaluate the performance and regulatory compliance of your building enclosure and identify the sources of issues for remediation. Building envelope testing services can help you boost quality while mitigating risks that impact costs and delivery time. We provide an understanding of the building envelope system to owners, manufacturers, contractors, consultants and architects prior to construction based on quality control and risk mitigation.

Verify the performance of the building envelope prior to construction to save significant time and cost by identifying and understanding the performance of the envelope and making necessary changes.

Window and door fenestration

We provide key services and solutions to help you get your fenestration products to market quickly. We can help you meet requirements from industry bodies, such as NAFS, NFRC, CSA and Path® to Energy Star®.

Building envelope advisory services

Building associations, such as APPA, recognize the critical importance building envelopes have on maintaining assets, supporting healthy spaces for living and working and greening our built environment. For new buildings, we offer services to help build owners manage quality and mitigate risks during design and construction. For existing buildings, we can investigate and develop strategies to remediate problematic water ingress, condensation, air leakage and associated damage or deterioration.

Building envelope laboratories in North America

Montreal, Canada

UL’s Montreal laboratory runs a full slate of services out of the 52,000 square foot location. With over 360 feet of interior/exterior reaction wall, the facility can accommodate mock-ups up to 60 feet tall. We offer three dedicated rooms for fenestration testing that provide total privacy for customer security.
Our Montreal facility is one of the only Canadian laboratories that can perform National Fenestration Rating Council (NFRC) validation testing. With one of the biggest thermal chambers in North America, we can accommodate 12 foot by 12 foot samples.

Toronto, Canada

UL’s mock-up laboratory in Toronto, Canada accommodates full-scale wall assemblies, including window and curtain walls. Located indoors, this 7,200 square foot facility can test samples up to 35 feet in height, which makes it among the largest indoor facilities in Canada. The fenestration testing facilities allow for multiple samples, small and large, to be tested at the same time for impressive throughput speed.
UL’s fenestration laboratory in Toronto can test any sample size of windows, doors and skylights for rain, extreme temperatures, sun and high-velocity winds, including hurricanes and tornadoes. 

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