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FM 4881 Examination standard for class 1 exterior wall systems

Publication Year

2025

Document Status

Current

Abstract

Testing and certification requirements for exterior wall systems subjected to natural hazards and weather conditions (e.g. wind, hail, and windblown debris).

Document History

December 2025 edition. Supersedes the November 2016 edition.

Publisher Information

FM Approvals

FM Approvals is a third-party global testing laboratory and certification agency, testing and certifying products and services that meet property loss prevention standards for use in commercial and industrial facilities.