ASTM E1748-95(2009)
(Test Method)Standard Test Method for Evaluating the Engagement Between Windows and Insect Screens as an Integral System
Standard Test Method for Evaluating the Engagement Between Windows and Insect Screens as an Integral System
SIGNIFICANCE AND USE
This test method is a design tool to evaluate the engagement between the window and insect screen under static loading. The ability of insect screens to remain engaged depends on the magnitude, duration, repetition of loads, and the method of engagement. The platen size and shape were chosen to prevent screen cloth damage during static loading. The 60-s duration was arbitrarily chosen to standardize this test method.
This test method is not intended for evaluating retention of woven screen mesh to a screen frame.
Note 1—The procedure described in SMA/SMT 31 is one method that has been developed for such evaluation.
This test method is not intended for evaluating retention of security or protection screens used as a deterrent against vandalism or forced entry.
Note 2—The procedure described in ANSI/SMA 6001 is one method that has been developed for such evaluation.
This test method is not intended for evaluating the retention of insect screens being used as a restraint of occupants within the building as a means of preventing accidental falls.
This test method is not intended for evaluating retention of insect screens for their ability to withstand impacts from windborne debris as might develop during hurricanes or other windstorm events.
SCOPE
1.1 This test method covers the evaluation of the static load resistance of an insect screen in its functional position in a window under load conditions prescribed by appropriate specifying authorities.
1.2 This test method is applicable to insect screens larger than 12 in. (300 mm) in least dimension that can be accessed from both the interior and exterior direction when the insect screen is in the functional position.
1.3 This test method evaluates both the interior and exterior static load resistance of the insect screen attachment to the window frame.
1.4 This test method describes the apparatus and the procedure to be used for applying static loads to specimens.
1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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 and health practices and determine the applicability of regulatory limitations prior to use.
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Standards Content (Sample)
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Designation: E1748 − 95 (Reapproved 2009)
Standard Test Method for
Evaluating the Engagement Between Windows and Insect
Screens as an Integral System
This standard is issued under the fixed designation E1748; 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 2.3 SMA Standard:
SMA/SMT 31 Testing Procedures and Equipment Bulletin
1.1 This test method covers the evaluation of the static load
for Attachment of Screening to Frame
resistance of an insect screen in its functional position in a
window under load conditions prescribed by appropriate speci-
3. Terminology
fying authorities.
3.1 Definitions—Definitions are in accordance with Termi-
1.2 This test method is applicable to insect screens larger
nology E631, unless otherwise indicated.
than 12 in. (300 mm) in least dimension that can be accessed
3.2 Definitions of Terms Specific to This Standard:
from both the interior and exterior direction when the insect
3.2.1 engagement—the physical state of clearances or inter-
screen is in the functional position.
ferences of an insect screen attached to or contained within a
1.3 This test method evaluates both the interior and exterior
window unit.
static load resistance of the insect screen attachment to the
3.2.2 insect screen—a frame holding a woven netting of
window frame.
sufficient strand diameter and spacing to allow ventilation
1.4 This test method describes the apparatus and the proce- while providing some degree of protection against insects.
dure to be used for applying static loads to specimens.
4. Summary of Test Method
1.5 The values stated in inch-pound units are to be regarded
4.1 This test method consists of installing a window unit
as standard. The values given in parentheses are mathematical
with its insect screen(s) in the functional position into a test
conversions to SI units that are provided for information only
frame and then applying a specified static load to the insect
and are not considered standard.
screen for a duration of 60 s in both the interior and exterior
1.6 This standard does not purport to address all of the
directions.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Significance and Use
priate safety and health practices and determine the applica-
5.1 This test method is a design tool to evaluate the
bility of regulatory limitations prior to use.
engagement between the window and insect screen under static
loading. The ability of insect screens to remain engaged
2. Referenced Documents
2 depends on the magnitude, duration, repetition of loads, and
2.1 ASTM Standards:
the method of engagement. The platen size and shape were
E631 Terminology of Building Constructions
3 chosen to prevent screen cloth damage during static loading.
2.2 ANSI Standard:
The 60-s duration was arbitrarily chosen to standardize this test
ANSI/SMA 6001 Specifications for Metal Protection
method.
Screens
5.2 This test method is not intended for evaluating retention
of woven screen mesh to a screen frame.
This test method is under the jurisdiction of ASTM Committee E06 on
Performance of Buildings and is the direct responsibility of Subcommittee E06.51
NOTE 1—The procedure described in SMA/SMT 31 is one method that
on Performance of Windows, Doors, Skylights and Curtain Walls.
has been developed for such evaluation.
Current edition approved Nov. 1, 2009. Published January 2010. Originally
approved in 1995. Last previous edition approved in 2001 as E1748 – 95 (2001).
5.3 This test method is not intended for evaluating retention
DOI: 10.1520/E1748-95R09.
of security or protection screens used as a deterrent against
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
vandalism or forced entry.
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.
Available from American National Standards Institute (ANSI), 25 W. 43rd St., Available from Screen Manufacturers Association (SMA), 3950 N. Lakeshore
4th Floor, New York, NY 10036, http://www.ansi.org. Dr., Chicago, IL 60613-3431, http://www.smainfo.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
E1748 − 95 (2009)
NOTE 2—The procedure described in ANSI/SMA 6001 is one method
9. Procedure
that has been developed for such evaluation.
9.1 Preparation—Remove any sealing or packing material
5.4 This test method is not intended for evaluating the
that is not normally part of the assembly as installed. Fit the
retention of insect screens being used as a restraint of occu-
test specimen into the test frame in accordance with the
pants within the building as a means of preventing accidental
manufacturer’s installation instructions. Position all operating
falls.
glazedsashorpanelsinanopenpositionsuchthattheywillnot
5.5 This test method is not intended for evaluating retention
interferewithdeflectionsofthescreenandframeunderloading
of insect screens for their ability to withstand impacts from
or remove them from the test specimen. Place all insect screens
windborne debris as might develop during hurricanes or other
in their functional position.
windstorm events.
9.2 Operate the insect screen (except as noted in 9.2.3) five
times prior to testing. After operation, position the test appa-
6. Apparatus
ratus so that one side of the test specimen faces the static
6.1 Test Frame—A reaction frame or box constructed to
loading device.
accept and rigidly position the test specimen to permit appli-
9.2.1 Fixed removable insect screens shall be removed and
cation of load from both the interior and exterior directions
installed five times.
with sufficient clearances so as not to interfere with the
9.2.2 Operating insect screens shall be moved to their fully
deflectionordisplacementofthetestspecimenunderload.Test
opened and then fully closed positions, (or moved from their
fra
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