Standard Test Method for Determining the Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen

SCOPE
1.1 This test method provides a standard laboratory procedure for determining the air leakage rates of exterior windows, curtain walls, and doors under specified differential pressure conditions across the specimen. The test method described is for tests with constant temperature and humidity across the specimen.
1.2 This laboratory procedure is applicable to exterior windows, curtain walls, and doors and is intended to measure only such leakage associated with the assembly and not the installation. The test method can be adapted for the latter purpose. Note 1-Performing tests at non-ambient conditions or with a temperature differential across the specimen may affect the air leakage rate. This is not addressed by this test method.
1.3 This test method is intended for laboratory use. Persons interested in performing field air leakage tests on installed units should reference Method E783.
1.4 Persons using this procedure should be knowledgeable in the areas of fluid mechanics, instrumentation practices, and shall have a general understanding of fenestration products and components.
1.5 Throughout this test method, SI units are listed first in accordance with E-6 metric policy, and shall be considered the primary units. Non-SI units are provided in parenthesis.
1.6 This standard does not purport to address all of the safety problems, 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. For specific hazard statement see Section 7.

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ASTM E283-91(1999) - Standard Test Method for Determining the Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
An American National Standard
Designation: E 283 – 91 (Reapproved 1999)
Standard Test Method for
Determining Rate of Air Leakage Through Exterior Windows,
Curtain Walls, and Doors Under Specified Pressure
Differences Across the Specimen
This standard is issued under the fixed designation E283; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (ϵ) indicates an editorial change since the last revision or reapproval.
1. Scope E783 Test Method for Field Measurement of Air Leakage
2
Through Installed Exterior Windows and Doors
1.1 This test method provides a standard laboratory proce-
dure for determining the air leakage rates of exterior windows,
3. Terminology
curtain walls, and doors under specified differential pressure
3.1 Definitions—Terms used in this standard are defined in
conditions across the specimen. The test method described is
Terminology E631E631.
for tests with constant temperature and humidity across the
1
3.2 Descriptions of Terms Specific to This Standard:
specimen.
3 2 3 2
3.2.1 air leakage rate (q or q ), m /s·m (ft /min·ft ), or
A L
1.2 This laboratory procedure is applicable to exterior
3 3
m /s·m (ft /min·ft)—the air leakage per unit of specimen area
windows, curtain walls, and doors and is intended to measure
(A) or per unit length of operable crack perimeter (L).
only such leakage associated with the assembly and not the
3 3
3.2.2 extraneous air leakage (Q ), m /s (ft /min)—the vol-
e
installation. The test method can be adapted for the latter
ume of air flowing per unit of time through the test chamber
purpose.
and test apparatus, exclusive of the air flowing through the test
NOTE 1—Performing tests at non-ambient conditions or with a tem-
specimen, under a test pressure difference and test temperature
perature differential across the specimen may affect the air leakage rate.
difference, converted to standard conditions.
This is not addressed by this test method.
3.2.2.1 Discussion—Extraneous leakage is the sum of all
1.3 This test method is intended for laboratory use. Persons
leakage other than that intended to be measured by the test.
interestedinperformingfieldairleakagetestsoninstalledunits
3.2.3 specimen—the entire assembled unit submitted for
should reference Method E783E783.
test as described in Section 7.
3 3
1.4 Persons using this procedure should be knowledgeable
3.2.4 specimen air leakage (Q ), m /s (ft /min)—the vol-
s
in the areas of fluid mechanics, instrumentation practices, and
umeofairflowingperunitoftimethroughthespecimenunder
shallhaveageneralunderstandingoffenestrationproductsand
a test pressure difference and test temperature difference,
components.
converted to standard conditions.
2 2
1.5 Throughout this test method, SI units are listed first in
3.2.5 specimen area (A), m (ft )—the area determined by
accordance with E-6 metric policy, and shall be considered the
the overall dimensions of the frame that fits into the rough
primary units. Non-SI units are provided in parenthesis.
opening.
1.6 This standard does not purport to address all of the
3.2.6 standard test conditions—in this test method, dry air
safety problems, if any, associated with its use. It is the
at:
responsibility of the user of this standard to establish appro-
Pressure—101.3 kPa (29.92 in. Hg)
priate safety and health practices and determine the applica-
Temperature—20.8°C (69.4°F)
3 3
Air Density—1.202 kg/m (0.075 lbm/ft )
bility of regulatory limitations prior to use. For specific hazard
2
statement see Section 7.
3.2.7 test pressure differences, Pa (lbf/ft )—the specified
differential static air pressure across the specimen.
2. Referenced Documents
3 3
3.2.8 total air flow (Q), m /s (ft /min)—the volume of air
t
2.1 ASTM Standards:
flowing per unit of time through the test chamber and test
2
E631 Terminology of Building Constructions
apparatus, inclusive of the air flowing through the test speci-
men, under a test pressure difference and test temperature
1 difference, converted to standard conditions.
This test method is under the jurisdiction of ASTM Committee E-6 on
3.2.9 unit length of operable crack perimeter (L), m (ft)—
Performance of Buildings and is the direct responsibility of Subcommittee E06.51
on Component Performance of Windows, Curtain Walls, and Doors.
thesumofallperimetersofoperableventilators,sash,ordoors
Current edition approved Aug. 15, 1991. Published October 1991. Originally
containedinthetestspecimen,basedontheoveralldimensions
published as E283–65T. Last previous edition E283–84.
2
Annual Book of ASTM Standards, Vol 04.11.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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