FM 4473 Specification test standard for impact resistance testing of rigid roofing materials by impacting with freezer ice balls
Publication Year
2005
Document Status
Current
Abstract
Procedure for determining the impact resistance performance of new prepared rigid roofing materials for use mainly on steep slope roof systems.
Document History
July 2005 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.
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