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ASTM D3656/D3656M-13(2021)

Standard Specification for Insect Screening and Louver Cloth Woven fromVinyl-Coated Glass Yarns

1.1This specification covers the requirements for vinyl-coated glass yarn insect screening and louver cloth.

1.2This specification is intended to assist ultimate users by designating the sizes and types of these products that are generally available in the industry.

1.3This specification shows the terminology and requirements for:

1.3.1Commercial standard vinyl-coated glass yarn insect screening designed and woven primarily for installation in or on any dwelling, patio, screening enclosure, building, or structure for the purpose of keeping out flies, mosquitoes, and most insects.

1.3.2Vinyl-coated glass yarn louver cloth used extensively in soffit and louver vents to keep out most large insects, birds, and airborne litter, while at the same time providing for adequate ventilation and air circulation.

1.4The 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.

1.5The following precautionary caveat pertains only to the test methods portions, Sections 8 "“ 19, of this specification. 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.

1.6This 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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