Glass doors and Windows are the weakest part of energy conservation among the four components of building envelope. Insulating glass is one of the effective ways to slow down the loss of energy consumption.This paper reviews the development history, research status and development trend of insulating glass.Filling the hollow cavity with inert gas can greatly improve the thermal resistance of hollow glass and reduce the loss of energy consumption.In addition, the use of warm edge Swiggle rubber strip sealing system can effectively improve the insulation performance of glass, significantly improve the energy saving effect of insulating glass edge.
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