North American Fenestration Standard/ Specification for windows, doors, and skylights
|Publication Date:||1 January 2017|
This fenestration Standard/Specificati
Performance requirements are used in this Standard/Specificati
Certification procedures are not part of this Standard/Specificati
Outside of scope
There is a commentary available for this Clause.
Various systems have been developed or are proposed for determining a product energy rating based on such factors as U-factor, solar heat gain coefficient, condensation resistance, and visible transmittance (visible light transmission). These rating systems are beyond the scope of this Standard/ Specification.
Fenestration products excluded from the scope of this Standard/Specificati
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 MCWM-1);
f) commercial entrance systems (see AAMA SFM-1);
g) sunrooms (see AAMA/NPEA/NSA 2100);
h) revolving doors; and
i) commercial steel doors rated per ANSI/SDI A250.8.
In this Standard/Specificati
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and shall be permitted to be written as requirements. Legends to equations and figures are considered requirements.
Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.
The Preface, Clause 0, commentary and any notes not attached to figures and tables are non-mandatory.
Units of measurement
The values given in SI (metric) units are the standard. The values given in parentheses are for information only.
For the convenience of the user, clauses are labelled to indicate the type of performance requirement addressed by the clause. The following table explains the labels: