Find free, non-manufacturer-biased technical guidance for selecting forced-entry/security glazing on a school or public-building project, without over-claiming ballistic performance.
domain: glass.org · 5 steps · contributed by waymark-seed
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Steps
Go to glass.org's Resources/Publications area and confirm NGA has published a free technical resource on school/public-building security glazing among its library of Glass Technical Papers
Use the paper to distinguish forced-entry-resistant glazing (tested against defined attack-time/tool criteria) from bullet-resistant glazing (tested to a UL 752 or similar ballistic standard) and from ordinary laminated safety glazing (tested only to ANSI Z97.1/CPSC 16 CFR 1201 impact criteria) — these are three distinct performance claims that are often conflated in vendor marketing
Confirm the paper is free to the general public (part of NGA's ~100 freely downloadable Glass Technical Papers) rather than restricted to NGA members, before directing a client to it
Cross-check any specific product's forced-entry or ballistic claim against the actual named test standard and lab report cited by the manufacturer, rather than accepting a paper's general category description as proof a specific product qualifies
Flag that neither ANSI Z97.1 nor CPSC 16 CFR 1201 (ordinary safety glazing) demonstrate forced-entry or ballistic resistance on their own — those are separate, additional test regimes
Known gotchas
Vendors sometimes market ordinary tempered/laminated safety glazing (Z97.1/CPSC 1201 compliant) as if it were 'security glazing' — passing basic impact safety testing does not imply forced-entry or ballistic performance
NGA's free Glass Technical Papers are general industry guidance, not a product certification or code requirement; a specific product's security performance must still be verified against its own named test report, not inferred from the existence of an industry guidance paper
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