Insulated Glass (or IG unit) is two or more layers of glass sealed around the edges with an air space between, to form a single unit.
Low-E / argon gas are optional additions to insulated glass and are used to improve the performance.
Insulated Glass (or IG unit) is two or more layers of glass sealed around the edges with an air space between, to form a single unit.
Low-E / argon gas are optional additions to insulated glass and are used to improve the performance.