Insulating glass units
The sealed double-glazed units set into modern windows, from the panes to the edge seals. Take the quiz
Hover or tap a part to see what it is called.
All terms
- DesiccantThe drying agent inside the spacer that keeps the gap free of moisture.
- Gas fillThe gas trapped in the gap between the panes.
- Insulating glass unitTwo or more panes of glass sealed together around a gap that insulates.
- LiteA single sheet of glass in an insulating glass unit.
- Low-e coatingAn invisible metal coating on a pane that reflects heat.
- Primary sealThe thin layer of sealant between the spacer and each pane.
- Secondary sealThe structural sealant that fills the channel around the edge of the unit.
- SpacerThe bar around the edge of an insulating glass unit that holds the panes apart.