ASTM E241-00e1
(Guide)Standard Guide for Limiting Water-Induced Damage to Buildings
Standard Guide for Limiting Water-Induced Damage to Buildings
SCOPE
1.1 This guide concerns building design, construction, commissioning, operation and maintenance.
This guide addresses the need for systematic evaluation of factors that can result in moisture-induced damage to a building or its components. Although of great potential importance, serviceability issues which are often, but not necessarily, related to physical damage of the building or its components (for example indoor air quality of electrical safety) are not directly addressed in this guide.
1.3 The emphasis of this guide is on low-rise buildings. Portions of this guide, in particular sections 5, 6, and 7, may also be applicable to high-rise buildings.
1.4 This standard is not intended for direct use in codes and specifications. It does not attempt to prescribe acceptable limits of damage. Buildings intended for different uses may have different service life expectancies, and expected service lives of different components within a given building often differ. Furthermore, some building owners may be satisfied with substantially shorter service life expectancies of building components or of the entire building than other building owners. Lastly, the level of damage that renders a component unservicable may vary with the type of component, the degree to which failure of the component is critical (for example whether failure constitutes a life-safety hazard), and the judgement (i.e. tolerance for damage) of the building owner. For the reasons stated in this paragraph, prescribing limits of damage would require listing many pages of exceptions and qualifiers and is beyond the scope of this standard.
1.5 This standard does not purport to address the safety problems 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.
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An American National Standard
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Designation: E 241 – 00
Standard Guide for
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Limiting Water-Induced Damage to Buildings
This standard is issued under the fixed designation E 241; 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 (e) indicates an editorial change since the last revision or reapproval.
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e NOTE—Editorial changes were made throughout in November 2001.
1. Scope C 168 Terminology Relating to Thermal Insulating Materi-
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als
1.1 This guide concerns building design, construction, com-
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C 717 Terminology of Building Seals and Sealants
missioning, operation and maintenance.
C 755 Practice for Selection of Vapor Retarders for Thermal
1.2 This guide addresses the need for systematic evaluation
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Insulation
of factors that can result in moisture-induced damage to a
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C 1193 Guide for Use of Joint Sealants
building or its components. Although of great potential impor-
D 1079 Terminology Relating to Roofing, Waterproofing,
tance, serviceability issues which are often, but not necessarily,
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and Bituminous Materials
related to physical damage of the building or its components
E 331 Test Method for Water Penetration of Exterior Win-
(for example indoor air quality or electrical safety) are not
dows, Curtain Walls and Doors by Uniform Static Air
directly addressed in this guide.
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Pressure Difference
1.3 The emphasis of this guide is on low-rise buildings.
E 547 Test Method for Water Penetration of Exterior Win-
Portions of this guide, in particular sections 5, 6, and 7, may
dows, Curtain Walls, and Doors by Cyclic Static Air
also be applicable to high-rise buildings.
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Pressure Differential
1.4 This standard is not intended for direct use in codes and
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E 631 Terminology of Building Constructions
specifications. It does not attempt to prescribe acceptable limits
E 632 Practice for Developing Accelerated Tests to Aid
of damage. Buildings intended for different uses may have
Prediction of the Service Life of Building Components and
different service life expectancies, and expected service lives
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Materials
of different components within a given building often differ.
E 1105 Test Method for Field Determination of Water
Furthermore, some building owners may be satisfied with
Penetration of Installed Exterior Windows, Curtain Walls,
substantially shorter service life expectancies of building
and Doors by Uniform or Cyclic Static Air Pressure
components or of the entire building than other building
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Difference
owners. Lastly, the level of damage that renders a component
E 1643 Practice for Installation of Water Vapor Retarders
unserviceable may vary with the type of component, the degree
Used in Contact with Earth or Granular Fills and Concrete
to which failure of the component is critical (for example
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Slabs
whether failure constitutes a life-safety hazard), and the judge-
E 1677 Specification for an Air Retarder Material or System
ment (i.e. tolerance for damage) of the building owner. For the
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for Low-Rise Framed Building Walls
reasons stated in this paragraph, prescribing limits of damage
E 1745 Specification for Water Vapor Retarders Used in
would require listing many pages of exceptions and qualifiers
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Contact with Soil or Granular Fill Under Concrete Slabs
and is beyond the scope of this standard.
2.2 Other Documents:
1.5 This standard does not purport to address the safety
ASHRAE Handbook of Fundamentals (1997) Chapter 22:
problems associated with its use. It is the responsibility of the
Thermal and moisture control in insulated assemblies -
user of this standard to establish appropriate safety and health
fundamentals. Amer. Soc. of Heating Refrigerating, and
practices and determine the applicability of regulatory limita-
Air Conditioning Engineers, Atlanta, GA.
tions prior to use.
ASHRAE Standard 55, Thermal Environmental Conditions
2. Referenced Documents for Human Occupancy
2.1 ASTM Standards:
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This guide is under the jurisdiction of ASTM Committee E06 on Building Annual Book of ASTM Standards, Vol 04.06.
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Constructions and is the direct responsibility of Subcommittee E06.41 on Air Annual Book of ASTM Standards, Vol 04.07.
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Leakage and Ventilation. Annual Book of ASTM Standards, Vol 04.04.
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Current edition approved June 10, 2000. Published August 2000. Originally Annual Book of ASTM Standards, Vol 04.11.
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published as E 241–64T. Last previous edition E 241–90. Annual Book of ASTM Standards, Vol 14.04.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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E 241
ASHRAE Standard 62, Ventilation for Acceptable Indoor 3.2.2 opaque wall, n—expos
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