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ASTM E2925-17

(Specification)

Standard Specification for Manufactured Polymeric Drainage and Ventilation Materials Used to Provide a Rainscreen Function

Standard Specification for Manufactured Polymeric Drainage and Ventilation Materials Used to Provide a Rainscreen Function

SCOPE
1.1 This specification is applicable to manufactured polymeric materials used to provide a rainscreen function, a means for the drainage of liquid moisture and the ventilation of vapor moisture that enters an above-grade exterior wall assembly. Rainscreen materials that comply with this specification are intended to be used behind exterior cladding products and intended to cover one hundred percent (100 %) of the wall area that is designed to provide a rainscreen function to resist water infiltration.  
1.2 This specification addresses the following types of rainscreen materials:  
1.2.1 Type A—entangled mesh materials.  
1.2.2 Type B—formed/textured sheet material.  
1.2.3 Type C—formed battens.  
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.4 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 and health practices and determine the applicability of regulatory limitations prior to use.  
1.5 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.

General Information

Status
Historical
Publication Date
31-May-2017
ICS
91.060.10 - Walls. Partitions. Facades
Technical Committee
E06 - Performance of Buildings
Drafting Committee
E06.55 - Performance of Building Enclosures
Current Stage
Ref Project

Relations

Replaces
ASTM E2925-14 - Standard Specification for Manufactured Polymeric Drainage and Ventilation Materials Used to Provide a Rainscreen Function
Effective Date
01-Jun-2017
Replaced By
ASTM E2925-19 - Standard Specification for Manufactured Polymeric Drainage and Ventilation Materials Used to Provide a Rainscreen Function
Effective Date
01-Jul-2019

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ASTM E2925-17 - Standard Specification for Manufactured Polymeric Drainage and Ventilation Materials Used to Provide a Rainscreen FunctionASTM E2925-17 - Standard Specification for Manufactured Polymeric Drainage and Ventilation Materials Used to Provide a Rainscreen Function
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REDLINE ASTM E2925-17 - Standard Specification for Manufactured Polymeric Drainage and Ventilation Materials Used to Provide a Rainscreen FunctionREDLINE ASTM E2925-17 - Standard Specification for Manufactured Polymeric Drainage and Ventilation Materials Used to Provide a Rainscreen Function
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:E2925 −17
Standard Specification for
Manufactured Polymeric Drainage and Ventilation Materials
1
Used to Provide a Rainscreen Function
This standard is issued under the fixed designation E2925; 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 C578 Specification for Rigid, Cellular Polystyrene Thermal
Insulation
1.1 This specification is applicable to manufactured poly-
C1338 Test Method for Determining Fungi Resistance of
meric materials used to provide a rainscreen function, a means
Insulation Materials and Facings
for the drainage of liquid moisture and the ventilation of vapor
D3045 Practice for Heat Aging of Plastics Without Load
moisture that enters an above-grade exterior wall assembly.
D5199 Test Method for Measuring the Nominal Thickness
Rainscreen materials that comply with this specification are
of Geosynthetics
intended to be used behind exterior cladding products and
D5322 Practice for Laboratory Immersion Procedures for
intendedtocoveronehundredpercent(100 %)ofthewallarea
Evaluating the Chemical Resistance of Geosynthetics to
that is designed to provide a rainscreen function to resist water
Liquids
infiltration.
D6108 Test Method for Compressive Properties of Plastic
1.2 This specification addresses the following types of
Lumber and Shapes
rainscreen materials:
D6364 Test Method for Determining Short-Term Compres-
1.2.1 Type A—entangled mesh materials.
sion Behavior of Geosynthetics
1.2.2 Type B—formed/textured sheet material.
E84 Test Method for Surface Burning Characteristics of
1.2.3 Type C—formed battens.
Building Materials
1.3 The values stated in SI units are to be regarded as E283 Test Method for Determining Rate of Air Leakage
Through Exterior Windows, Curtain Walls, and Doors
standard. No other units of measurement are included in this
standard. Under Specified Pressure Differences Across the Speci-
men
1.4 This standard does not purport to address all of the
E631 Terminology of Building Constructions
safety concerns, if any, associated with its use. It is the
E2273 Test Method for Determining the Drainage Efficiency
responsibility of the user of this standard to establish appro-
of Exterior Insulation and Finish Systems (EIFS) Clad
priate safety and health practices and determine the applica-
Wall Assemblies
bility of regulatory limitations prior to use.
G154 Practice for Operating Fluorescent Ultraviolet (UV)
1.5 This international standard was developed in accor-
Lamp Apparatus for Exposure of Nonmetallic Materials
dance with internationally recognized principles on standard-
3
ization established in the Decision on Principles for the 2.2 Other Standard:
Development of International Standards, Guides and Recom-
CAN/CGSB 51.33-M89 Vapor Barrier Sheet, Excluding
mendations issued by the World Trade Organization Technical Polyethylene, for Use in Building Construction
Barriers to Trade (TBT) Committee.
3. Terminology
2. Referenced Documents
3.1 Definitions—For definitions of general terms related to
2
2.1 ASTM Standards:
building construction used in this specification, refer to Termi-
nology E631.
1
This specification is under the jurisdiction of ASTM Committee E06 on
3.2 Definitions of Terms Specific to This Standard:
Performance of Buildings and is the direct responsibility of Subcommittee E06.55
3.2.1 capillary action, v—liquid water movement against
on Performance of Building Enclosures.
gravity induced by the force of molecular attraction (surface
Current edition approved June 1, 2017. Published August 2017. Originally
approved in 2014. Last previous edition approved in 2014 as E2925-14. DOI:
10.1520/E2925-17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from Canadian General Standards Board (CGSB), 11 Laurier St.,
Standards volume information, refer to the standard’s Document Summary page on Phase III, Place du Portage, Gatineau, Quebec K1A0S5, Canada, http://www.tpsgc-
the ASTM website. pwgsc.gc.ca/ongc-cgsb.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E2925−17
tension) between the water and the material it contacts, 6.5 UV Exposure Test:
facilitated by a small gap between materials. 6.5.1 The test specimens shall be exposed in accordance
with Practice G154 following Cycle 1 for 336 h.
3.2.2 exterior cladding, n—weather-exposed materials of a
6.5.2 After the UV exposure test has been completed, the
wall assembly includ
...

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: E2925 − 14 E2925 − 17
Standard Specification for
Manufactured Polymeric Drainage and Ventilation Materials
1
Used to Provide a Rainscreen Function
This standard is issued under the fixed designation E2925; 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 specification is applicable to manufactured polymeric materials used to provide a rainscreen function, a means for the
drainage of liquid moisture and the ventilation of vapor moisture that enters an above-grade exterior wall assembly. Rainscreen
materials that comply with this specification are intended to be used behind exterior cladding products and intended to cover one
hundred percent (100 %) of the wall area that is designed to provide a rainscreen function to resist water infiltration.
1.2 This specification addresses the following types of rainscreen materials:
1.2.1 Type A—entangled mesh materials.
1.2.2 Type B—formed/textured sheet material.
1.2.3 Type C—formed battens.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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 and health practices and determine the applicability of regulatory
limitations prior to use.
1.5 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:
C578 Specification for Rigid, Cellular Polystyrene Thermal Insulation
C1338 Test Method for Determining Fungi Resistance of Insulation Materials and Facings
D3045 Practice for Heat Aging of Plastics Without Load
D5199 Test Method for Measuring the Nominal Thickness of Geosynthetics
D5322 Practice for Laboratory Immersion Procedures for Evaluating the Chemical Resistance of Geosynthetics to Liquids
D6108 Test Method for Compressive Properties of Plastic Lumber and Shapes
D6364 Test Method for Determining Short-Term Compression Behavior of Geosynthetics
E84 Test Method for Surface Burning Characteristics of Building Materials
E283 Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified
Pressure Differences Across the Specimen
E631 Terminology of Building Constructions
E2273 Test Method for Determining the Drainage Efficiency of Exterior Insulation and Finish Systems (EIFS) Clad Wall
Assemblies
E2556/E2556M Specification for Vapor Permeable Flexible Sheet Water-Resistive Barriers Intended for Mechanical Attachment
G154 Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Nonmetallic Materials
1
This specification is under the jurisdiction of ASTM Committee E06 on Performance of Buildings and is the direct responsibility of Subcommittee E06.55 on Performance
of Building Enclosures.
Current edition approved June 1, 2014June 1, 2017. Published June 2014August 2017. Originally approved in 2014. Last previous edition approved in 2014 as E2925-14.
DOI: 10.1520/E2925–1410.1520/E2925-17.
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 ----------------------
E2925 − 17
3
2.2 Other Standard:
CAN/CGSB 51.33-M89 Vapor Barrier Sheet, Excluding Polyethylene, for Use in Building Construction
3. Terminology
3.1 Definitions—For definitions of general terms related to building construction used in this specification, refer to Terminology
E631.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 capillary action, v—liquid water movement against gravity induced by the force of molecular attraction (surface tension)
between the water and the material it contacts, facilitated by a small gap between mater
...

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Standard Guide for Evaluating Water Leakage of Building Walls

SIGNIFICANCE AND USE
4.1 This guide is intended to provide building professionals with a comprehensive methodology for evaluating water leakage through walls. It addresses the performance expectations and service history of a wall, the various components of a wall, and the interaction between these components and adjacent construction. It is not intended as a construction quality control procedure, nor as a preconstruction qualification procedure. It is intended for evaluating buildings that exhibit water leakage.  
4.1.1 Qualifications—This guide requires the evaluator to possess a knowledge of basic physics and of construction and wall design principles and practices.  
4.1.2 Application—The sequential activities described herein are intended to produce a complete and comprehensive evaluation program, but all activities may not be applicable or necessary for a particular evaluation program. It is the responsibility of the professional using this guide to determine the activities and sequence necessary to properly perform an appropriate leakage evaluation for a specific building.  
4.1.3 Preliminary Assessment—A preliminary assessment may indicate that water leakage problems are limited to a specific element or portion of a wall. The preliminary assessment may also indicate that the wall is not the source of a leak even though it is perceived as such by the building occupant. The presence of water might result from a roofing problem, a condensation problem, a plumbing problem, operable windows or doors left opened or unlatched or some other condition not directly related to water leakage through the building wall and is outside the scope of this guide. The evaluation of causes may likewise be limited in scope, and the procedures recommended herein abridged according to the professional judgement of the evaluator. A statement stipulating the limits of the investigation should be included in the report.  
4.1.4 Expectations—Expectations about the overall effectiveness of an evaluatio...
SCOPE
1.1 This guide describes methods for determining and evaluating causes of water leakage of exterior walls. For this purpose, water penetration is considered leakage, and therefore problematic, if it exceeds the planned resistance or temporary retention and drainage capacity of the wall, is causing or is likely to cause premature deterioration of a building or its contents, or is adversely affecting the performance of other components. A wall is considered a system including its exterior and interior finishes, fenestration, structural components, and components for maintaining the building interior environment.  
1.2 Investigative techniques discussed may be intrusive, disruptive, or destructive. It is the responsibility of the investigator to establish the limitations of use, to anticipate and advise of the destructive nature of some procedures, and to plan for patching and selective reconstruction as necessary.  
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.  
1.3.1 Exception—Solely inch-pound units are stated in 10.3.1, 10.3.2.1, X1.5.3.7, X2.5.1.3, X3.4.3.3, X5.1.2.2, X5.5.5, X5.6.3, and X8.5.1.3.  
1.4 This practice does not purport to address all of the safety concerns, if any, associated with its use. Establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Awareness of safety and familiarity with safe procedures are particularly important for above-ground operations on the exterior of a building and destructive investigative procedures which typically are associated with the work described in this guide.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of Internat...

  • Guide
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  • Guide
    39 pages
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ASTM
ASTM E3223/E3223M-20(Guide)
Standard Guide for Specifying and Testing Field-Constructed Exterior Building Wall System Mockups in New Construction

SIGNIFICANCE AND USE
4.1 This guide is intended to assist the construction team in evaluating the constructability, functionality, sequence of construction, interference, tolerances, component performance, and assembled system performance of the exterior wall systems.  
4.2 This guide does not establish specific roles for the parties involved during construction or the contractual obligations of those parties. The role of each party within any specific project should be established and documented before the start of the project.  
4.3 This guide is intended for use when specifying construction mockups that are either integrated mockups or off-structure mockups.  
4.4 This guide is intended to aid the specifier in the development of a QA mockup program for assessing the performance of exterior walls. It is not intended to provide a comprehensive list of applicable test methods for QA testing available or applicable to a mockup program.  
4.5 This guide does not address preconstruction laboratory testing of a wall system.  
4.6 This guide is intended to address technical issues with the performance of the wall system and the interconnection of the various components and systems. A mockup may or may not be used as an aesthetic mockup; however, this guide is not intended to address aesthetic issues with the wall system.  
4.7 This guide is not intended to provide guidance for construction observation services. However, the mockup may be useful to inform inspectors of the intended construction, sequence, materials, and interface conditions encountered on the project and serve as a standard of quality to which the remainder of construction can be compared.
SCOPE
1.1 This guide provides information to assist in the specification, design, and performance testing of field-constructed exterior wall assemblies (“mockups”) for construction projects. This includes testing procedures appropriate to evaluate the component and assembly performance for water penetration resistance, air leakage resistance, and other test methods that may be applied as part of the quality assurance (QA) program for the installed systems.  
1.2 This guide is intended to be applied to exterior wall mockups that include components, systems, and assemblies including, but not limited to, curtain walls, windows, doors, masonry walls, precast concrete, cast-in-place concrete, exterior insulation and finish system (EIFS), roofing interfaces, stucco, wood siding, metal panels, sealants, appurtenances, penetrations, louvers, and combinations thereof. Such mockups are expected to include the intersection between wall systems.  
1.3 This guide is not intended to provide a comprehensive list of potential testing that may be applicable to field-constructed mockups. Additional tests may be applicable to mockups for specific projects.  
1.4 This guide is not intended to address all possible project delivery methods and as such the requirements listed herein must be evaluated by the specifier for appropriateness with the delivery method.  
1.5 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.  
1.6 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 determine the applicability of regulatory limitations prior to use.  
1.7 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...

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