Add window insulating film. Implement a skinny distinct layer of plastic insulating movie for the window body with adhesive. Warmth the film which has a hairdryer to tighten it. Double-glazing functions by trapping air or inert fuel amongst two panes of glass — making an insulating barrier. Krypton: Krypton https://charlieriteo.tinyblogging.com/secondary-glazing-options-78280381