Construction Performance Guidelines
CONDENSATION FORMING BETWEEN INSULATING (FACTORY SEALED) GLASS UNIT
Insulating glass units shall be free from condensation between the panes.
One-Year - Work and Materials
Insulating glass units with condensation between the panes shall be replaced.
Condensation between panes indicates the airtight seal around the edge of the glass is broken. An extended warranty may be available through the window manufacturer. See Also: 3.7 WINDOW UNIT LEAKS DURING RAIN 8.5 CONDENSATION AND/OR FROST ON WINDOWS