Insulating Glass Units
1.1 This standard applies to sealed insulating glass (IG) units used in
windows, doors and curtain walls in building envelopes. It includes
requirements for the testing of samples for the integrity and
durability of the unit's hermetic seal and if applicable, gas
1.2 The requirements contained herein are applicable to glass units
consisting of two or three sheets of glass and glazed in recessed
openings so that the edge seals are shielded from direct weathering.
The requirements also apply to glass units that may be coated, have
muntin bars within the cavities and contain air or argon gas within the
1.3 The testing of permanently vented or capillary tube units are not
included in this standard.
1.4 The testing and evaluation of a product against this standard may
require the use of materials and/or equipment that could be hazardous.
This document does not purport to address all the safety aspects
associated with its use. Anyone using this standard has the
responsibility to consult the appropriate authorities and to establish
appropriate health and safety practices in conjunction with any
applicable regulatory requirements prior to its use.