The Fenestration and Glazing Industry Alliance (FGIA) has updated guidelines relating to thermal stress considerations for window glass products used in residential and commercial building envelope projects.
IGMA TM-1500-25, Guidelines to Reduce Instances of Thermal Stress was last updated in 2014. The purpose of the document is to give specific guidelines and design assistance toward avoiding problems that arise from glass breakage caused by thermal stress conditions.
“Many factors go into choosing the correct glass for an application,” said Scott Corley (ODL), chair of the FGIA Thermal Stress Task Group. “In addition to wind loads, U-factor and SHGC requirements, having the correct type of glass to prevent failures from thermal stress come into play. This document illustrates several typical cases where thermal stress may be present and assigns a risk value to each to help the user select the right type of glass for the best performance and durability.”
For more information about FGIA and its activities, visit FGIAonline.org.
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