TM_E_2025_
_99
Designation:E 2025 99Standard Test Method forEvaluating Fenestration Components and Assemblies forResistance to Impact Energies1This standard is issued under the fixed designation E 2025;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method is intended to evaluate the resistance offenestration components,fenestration assemblies,and impactprotection systems to specified impact energies.1.2 Window,glazed door,and skylight assemblies coveredby this test method also include individual components,such asthe glazing in-fill.1.3 This standard does no purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:E 631 Terminology of Building Constructions2E 1886 Test Method for Performance of Exterior Windows,Curtain Walls,Doors and Storm Shutters Impacted byMissile(s)and Exposed to Cyclic Pressure Differentials2F 476 Test Methods for Security of Swinging Door Assem-blies33.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 assembly support fixture,nthe assembly or structurethat supports the test specimen.3.1.2 component(fenestration),nan individual productthat combines with other components to make up a completefenestration assembly.3.1.3 fenestration assembly,na glazed aperture in a build-ing composed of a group of parts or components that mayinclude glass or plastic panels or lites,opaque panels,framing,mullions,muntins and dividers,screens and shading devices,for example,windows or glazed doors,or both.3.1.4 glazed panel,nglazing installed in a framing sys-tem.3.1.5 impact energy,nimpact energy is expressed asvertical drop height of the pendulum,times its weight,for aparticular impact event.3.1.6 impact energy(cumulative),nthe sum of impactenergies from each of the respective impact events for theentire applied impact sequence,derived from intentionallyimpacting the test specimen more than once;the total impactenergy either applied to meet a test protocol or observed duringan impact sequence and associated with a particular level ofdamage.3.1.7 impact protection system,nmoveable(or perma-nent)construction that may be applied,attached or locked overa fenestration assembly to protect the assembly from impact,for example,shutters.3.1.8 impact ram,nthe device that(when released)deliv-ers the impact energy to the test specimen.The impact ramincludes the impact nose.3.1.9 instrumented impact testing,nadditional apparatusattached to the impact ram to provide for the load versusdeformation responses of fenestration components and assem-blies under various impact conditions.3.1.10 plastic glazing sheet material,nan organic plasticsheet specifically developed for glazing.3.1.11 required impact energy,nthe potential energy levelspecified for a single impact event to be applied in the test asrequired by the specifying authority.3.1.12 required impact sequence,nthe number of impactevents and the required impact energy for each event to beapplied to a specimen in the test and the order in which theevents are to be applied as required by the specifying authority.3.1.13 required cumulative energy,nthe sum of the im-pact energy times the number of each such impact events forthe entire required impact sequence to be applied to a specimenin the test as required by the specifying authority.3.1.14 test specimen,nthe fenestration assembly,impactprotection system or glazing in-fill,which is subject to theimpact energies delivered by the impact ram.1This test method is under the jurisdiction of ASTM Committee E-06 onPerformance of Buildings and is the direct responsibility of Subcommittee E06.51onCurrent edition approved July 10,1999.Published October 1999.2Annual Book of ASTM Standards,Vol 04.11.3Annual Book of ASTM Standards,Vol 15.07.1Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.4.Summary of Test Method4.1 This test method consists of installing a fenestrationcomponent,fenestration assembly,or impact protection systemin a wall assembly and impacting the test specimen.4.2 The impact is applied by an impact ram supported by apendulum system and released from a specified height.5.Significance and Use5.1 This test method is intended for determining the abilityof a fenestration component,fenestration assembly,or impactprotection system to resist specified impact energies.5.2 The test apparatus,referenced herein,is capable ofapplying a variety of impacts to a specimen as the impactorhead may be fabricated into a variety of shapes and frommaterials having different d