Glass in building. Forced-entry security glazing. Test and classification by repetitive ball drop
81.040.20 - Glass in building
This document specifies requirements and a test method for
security glazing designed to resist impacts of a hard body by
delaying access of objects and/or persons to a protected space for
a short period of time. It also classifies security-glazing
products into categories of resistance to repetitive impacts of a
In this document, the categories of resistance have not been
assigned to special applications. It is intended that the glazing
classification be specified on an individual basis for every
application and anticipated action of force upon the glazing.
This document deals with mechanical resistance to impact
Other properties can also be important.
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