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Low emissivity glass


Low emissivity glass, such as Pilkington K glass, is a coated glass. When specified in double glazed units, it gives an extra layer of insulation that is designed to inhibit heat loss from the room. In most lighting conditions, the low emissivity coating is invisible.

The coated surface faces into the air gap between the two panes of glass. The effect is similar to that of fixing a sheet of reflective foil behind a radiator – warmth is reflected back into the room.



The room will still benefit from solar gain during the day, as the coating does not impede warmth from the sun entering the window.

Double glazed windows that are fitted with low emissivity glass give a significant insulation improvement – without suffering the drawbacks of triple glazing.

Call Admiral Windows Oxford to book your free no-obligation quote: 01865 788333.

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