Standard Test Method for Impact Resistance of Class PB and PI Exterior Insulation and Finish Systems (EIFS)

SIGNIFICANCE AND USE
5.1 This specification determines levels of impact resistance under Classes PB and PI EIFS.  
5.2 This test method does not purport to simulate impact encountered in service.
SCOPE
1.1 This test method covers a procedure for rapidly deforming by impact an EIFS for evaluating the effect of such deformation.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and to determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Publication Date
28-Feb-2022
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ASTM E2486/E2486M-22 - Standard Test Method for Impact Resistance of Class PB and PI Exterior Insulation and Finish Systems (EIFS)
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: E2486/E2486M − 22
Standard Test Method for
Impact Resistance of Class PB and PI Exterior Insulation
1
and Finish Systems (EIFS)
ThisstandardisissuedunderthefixeddesignationE2486/E2486M;thenumberimmediatelyfollowingthedesignationindicatestheyear
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
3.1 For general terminology regarding EIFS and building in
1.1 This test method covers a procedure for rapidly deform-
general, see Terminology E2110 (for EIFS terms) and Termi-
ing by impact an EIFS for evaluating the effect of such
nology E631 (for buildings in general).
deformation.
4. Summary of Test Method
1.2 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. The values stated in
4.1 Specimens shall be subjected to rapid deformation by a
each system are not necessarily exact equivalents; therefore, to
falling standard weight. By gradually increasing the distance
ensure conformance with the standard, each system shall be
the weight drops, the point at which failure occurs can be
used independently of the other, and values from the two
determined.
systems shall not be combined.
4.2 The impact resistance classification shall be determined
1.3 This standard does not purport to address all of the by the number of joules [inch-lb] achieved when at least six out
of ten tests do not display broken reinforcing mesh that is
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- visible to the naked eye under normal lighting conditions.
priate safety, health, and environmental practices and to
5. Significance and Use
determine the applicability of regulatory limitations prior to
5.1 This specification determines levels of impact resistance
use.
under Classes PB and PI EIFS.
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard- 5.2 This test method does not purport to simulate impact
encountered in service.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
6. Apparatus
mendations issued by the World Trade Organization Technical
6.1 The apparatus shall be as specified in the Apparatus
Barriers to Trade (TBT) Committee.
Section of Test Method D2794 with the following exceptions:
6.1.1 The cylindrical weight shall be 1.82 kg [4.0 lb],
2. Referenced Documents
6.1.2 The EIFS specimen shall fit below the tube,
2
2.1 ASTM Standards:
6.1.3 The diameter of the hemispherical head shall be
D2794 Test Method for Resistance of Organic Coatings to 1
13 mm [ ⁄2 in.], and it shall be made to fit inside the guide tube
the Effects of Rapid Deformation (Impact)
instead of resting on the test panel, and
E631 Terminology of Building Constructions
6.1.4 Disregard all information concerning the panel
E2110 Terminology for Exterior Insulation and Finish Sys-
support, magnifier, and pin-hole detector.
tems (EIFS)
7. Test Specimens
7.1 The EIFS base coat, reinforcing mesh, and finish coat
shall be applied to 600 mm by 1200 mm [2 ft by 4 ft] sections
1
This test method is under the jurisdiction of ASTM Committee E06 on
of 25 mm [1 in.] thick insulation board, unless otherwise
Performance of Buildings and is the direct responsibility of Subcommittee E06.58
on Exterior Insulation and Finish Systems (EIFS).
specified. Specimens shall be representative of those used in
Current edition approved March 1, 2022. Published March 2022. Originally
actual construction.
approved in 2006. Last previous edition approved in 2018 as E2486/E2486M–13
(2018). DOI: 10.1520/E2486_E2486M-22.
7.2 The reinforcing mesh(es) or reinforced coating shall be
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
continuous and have no laps or joints. The reinforcing
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
mesh(es) shall not be lapped onto the side or back of the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. specimen.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E2486/E2486M − 22
8. Conditioning
Classification Impact Range
Standard Impact Resistance 2.8 J to 5.6 J [25 inch-lb to 49 inch-lb]
8.1 Allow the specimens to cure a minimum of 28 days at
Medium Impact Resistance 5.7 J to 10.1 J
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E2486/E2486M − 13 (Reapproved 2018) E2486/E2486M − 22
Standard Test Method for
Impact Resistance of Class PB and PI Exterior Insulation
1
and Finish Systems (EIFS)
This standard is issued under the fixed designation E2486/E2486M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method covers a procedure for rapidly deforming by impact an EIFS for evaluating the effect of such deformation.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used
independently of the other, and values from the two systems shall not be combined.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety, health, and environmental practices and to determine the applicability
of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
D2794 Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)
E631 Terminology of Building Constructions
E2110 Terminology for Exterior Insulation and Finish Systems (EIFS)
3. Terminology
3.1 For general terminology regarding EIFS and building in general, see Terminology E2110 (for EIFS terms) and Terminology
E631 (for buildings in general).
4. Summary of Test Method
4.1 Specimens shall be subjected to rapid deformation by a falling standard weight. By gradually increasing the distance the
weight drops, the point at which failure occurs can be determined.
1
This test method is under the jurisdiction of ASTM Committee E06 on Performance of Buildings and is the direct responsibility of Subcommittee E06.58 on Exterior
Insulation and Finish Systems (EIFS).
Current edition approved Sept. 1, 2018March 1, 2022. Published September 2018March 2022. Originally approved in 2006. Last previous edition approved in 20132018
as E2486/E2486M–13. –13 (2018). DOI: 10.1520/E2486_E2486M-13R18.10.1520/E2486_E2486M-22.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E2486/E2486M − 22
4.2 The impact resistance classification shall be determined by the number of joules [inch-lb] achieved when at least six out of
ten tests do not display broken reinforcing mesh that is visible to the naked eye under normal lighting conditions.
5. Significance and Use
5.1 This specification determines levels of impact resistance under Classes PB and PI EIFS.
5.2 This test method does not purport to simulate impact encountered in service.
6. Apparatus
6.1 The apparatus shall be as specified in the Apparatus Section of Test Method D2794 with the following exceptions:
6.1.1 The cylindrical weight shall be 1.82 kg [4.0 lb],
6.1.2 The EIFS specimen shall fit below the tube,
1
6.1.3 The diameter of the hemispherical head shall be 13 mm [1.2[ ⁄2 in.]in.], and it shall be made to fit inside the guide tube
instead of resting on the test panel, and
6.1.4 Disregard all information concerning the panel support, magnifier, and pin-hole detector.
7. Test Specimens
7.1 The EIFS base coat, reinforcing mesh, and finish coat shall be applied to 600600 mm by 1200 mm [2[2 ft by 4 ft] sections
of 25-mm [1-in]25 mm [1 in.] thick insulation board, unless otherwise specified. Specimens shall be representative of those used
in actual construction.
7.2 The reinforcing mesh(es) or reinforced coating shall be continuous and have no laps or joints. The reinforcing mesh(es) shall
not be lapped
...

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