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About This Item
This is the fifth edition of AAMA/WDMA/CSA 101/I.S.2/A440, North American Fenestration Standard/Specification for windows, doors, and skylights. It supersedes the previous edition published in 2017 under the same title. It is jointly published and maintained by the Fenestration and Glazing Industry Alliance (FGIA), a unified organization consisting of the American Architectural Manufacturers Association (AAMA) and Insulating Glass Manufacturers Alliance, the Window & Door Manufacturers Association (WDMA), and the Canadian Standards Association (CSA). This Standard/Specification was developed as an advisory document and is published as a public service. FGIA, WDMA, CSA, the individual members of the CSA Technical Committee on Performance Standard for Windows, and the U.S.A./Canada Joint Document Management Group (JDMG) disclaim all liability for the use, application, or adaptation of the material published in this Standard/Specification. Intended users of this Standard/Specification include building officials, manufacturers, architects, engineers, consumers, builders, contractors, trade associations, test laboratories, specifiers, product evaluation and certification agencies, and government agencies. FGIA, WDMA, and CSA intend for this Standard/Specification to be referenced in U.S. International Code Council (ICC) model codes and in the National Building Code (NBC) of Canada. This Standard/Specification presents provisions addressing fenestration product requirements, under the control of the product manufacturer, contained in those codes. CSA A440S1, Canadian Supplement to AAMA/WDMA/CSA 101/I.S.2/A440, North American Fenestration Standard/Specification for windows, doors, and skylights, provides additional requirements to AAMA/WDMA/CSA 101/I.S.2/A440 for compliance in Canada. The Canadian Supplement is considered suitable for use for conformity assessment within the stated scope of the Standard. The Canadian Supplement was prepared by the CSA Technical Committee on the Performance Standard for Windows, under the jurisdiction of the Strategic Steering Committee on Building Products and Systems, and has been formally approved by the Technical Committee. This Standard/Specification was jointly prepared by the CSA Technical Committee on Performance Standard for Windows, under the jurisdiction of the Strategic Steering Committee on Building Products and Systems, and by the U.S.A./Canada Joint Document Management Group (JDMG). This body includes representatives from FGIA, WDMA, CSA and other interested parties. This Standard/Specification has been formally approved by the members of the Fenestration and Glazing Industry Alliance, the members of the Window & Door Manufacturers Association and by the CSA Technical Committee. A list of the members of the CSA Technical Committee is available upon request. This Standard/Specification has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
This fenestration Standard/Specification applies to both operating and fixed, new construction and replacement windows, doors, SSPs, TDDs, roof windows, and unit skylights. This fenestration Standard/Specification is material-neutral and establishes performance requirements for windows, doors, SSPs, TDDs, roof windows, and unit skylights including their components and materials. This Standard/Specification concerns itself with the determination of Performance Grade (PG), Allowable Stress Design (ASD) design pressure (DP), and related performance ratings for windows, doors, SSPs, TDDs, roof windows, and unit skylights and is based on laboratory testing of products in standard fixtures. This Standard/Specification is not intended to test or address the use or installation of the product. Performance requirements are used in this Standard/Specification when possible. Prescriptive requirements are used when necessary. When products successfully pass all applicable performance tests, a rating is determined and a test report may be issued. The primary purpose of this Standard/Specification is to enable end-product performance evaluation as may be required for certain US and Canadian model building codes for windows, doors, SSPs, TDDs, roof windows, and unit skylights. Performance-based product comparison, durability assessment, and technical issues related to certification programs are secondary purposes of this Standard/Specification. This Standard/Specification applies to testing and rating products. The tested rating applies to products of functionally identical construction, with both width and height less than or equal to the tested size. Programs have been developed or are proposed for determining fenestration energy performance ratings and for fenestration product sustainability. These programs are outside the scope of this Standard/Specification. Fenestration products excluded from the scope of this Standard/Specification include a) interior windows, interior accessory windows (IAWs), and interior doors; b) vehicular-access doors (garage doors) (see ANSI/DASMA 105, ANSI/DASMA 108, ANSI/DASMA 109, ANSI/DASMA 115, or other applicable DASMA Specifications); c) roof-mounted smoke and heat-relief vents (see FM 4430); d) sloped glazing (other than unit skylights or roof windows) (see AAMA TIR-A7); e) curtain walls and storefronts (see AAMA CWM and AAMA SFM-1); f) commercial entrance systems (see AAMA SFM-1); g) sunrooms (see AAMA/NPEA/NSA 2100); h) revolving doors; i) commercial steel doors rated according to ANSI/SDI A250.8; j) skylights according to AAMA SKY-3; and k) motorized operators.
In this Standard/Specification, "shall" is used to express a requirement, (i.e., a provision that the user is obliged to satisfy in order to comply with the Standard/Specification); "should" is used to express a recommendation or that which is advised but not required; "shall be permitted to be" is used to express an option or that which is permissible within the limits of the Standard/Specification; and "can" is used to express possibility or capability. Notes to tables and figures are considered part of the table or figure and are considered requirements. Legends to equations and figures are considered requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application. The purpose of the commentary is to add background information, explanatory language, examples, or further clarification to topics addressed by the referenced clause. The Preface, Clause 0, and commentary are non-mandatory.
1.3 Units of measurement
The values given in SI (metric) units are the standard. The values given in parentheses are for information only. The values given in parentheses are in IP (inch-pound) units and are often inexact rounded values. Users of this Standard/Specification are to test only to the SI values or to exact conversions of the SI values. The IP equivalents identified are for approximate reference only and do not in any way imply accuracy of the measurement or the equipment. Precision and bias statements are provided in the applicable test methods referenced in this Standard/Specification. Significant digits and rounding that are recorded below or above the requirements stated in this Standard/Specification do not imply a specific level of accuracy or repeatability of the measurement systems, test equipment or test methods.
1.4 Clause categories
For the convenience of the user, the clauses of this Standard/Specification have been identified with categories that generally describe the content of the clause, allowing users to quickly select those clauses that relate to a particular category. Clauses that are not specifically identified relate to all categories.
CSA AAMA/WDMA/CSA 101/I.S.2/A440:22
North American Fenestration Standard / Specification for windows, doors, and skylights
- Most Recent
North American Fenestration Standard / Specification for windows, doors, and skylights, Includes Errata (2018)
- Historical Version
CSA A440-11 (R2016)
NAFS - North American Fenestration Standard/Specification for Windows, Doors, and Skylights, Includes Update No. 1 (2014), Update No. 2 (2017)
- Historical Version
NAFS - North American Fenestration Standard/Specification for Windows, Doors, and Skylights, Includes Update No. 1 (2008), Update No. 3 (2009)
- Historical Version
Standard / Specification for Windows, Doors, and Unit Skylights, Includes Update No. 1 (2007)
- Historical Version