Pilkington K Glass™, which usually forms the inner pane of a double glazing unit, allows less heat to escape through your windows than ordinary glass. Thanks to a special energy saving coating which lets the sun's rays through, but reflects heat from fires and radiators back into your home. Heat which ordinary double glazing allows to escape.

The glass in your windows absorbs heat then radiates it again on the colder, outside, surface. Pilkington K Glass™ has what is called a low emissivity coating on the surface that faces into the air gap of the double glazing unit.

Low emissivity means the coating is a poor radiator. The heat absorbed by the coated glass is inhibited from radiating across the air gap and then from the outer pane to the cold outside world. Instead the heat is reflected back into the room by the coating.

It works in a similar way to a sheet of reflecting foil placed behind a central heating radiator which, as you know, bounces the heat back into the room.

It makes double glazing as effective as triple glazing and cuts fuel bills.




Reduces condensation
Condensation forms when warm, moist air comes into contact with a cold surface, such as conventional glass. The energy saving coating on our glass actually makes the surface warmer to the touch, so condensation is reduced.

Eliminates cold spots
Ordinary glass offers poor insulation, so uncomfortable cold spots close to windows are a common problem.

Double glazing can alleviate this to an extent, but only double glazing with Pilkington K Glass™ has the total solution. It provides superior insulation, making the inner pane of your window much warmer. This eliminates cold spots, and increases useful floor space.

Is perfect for conservatories
Better insulation and no cold spots near windows makes Pilkington K Glass™ perfect for conservatories. In fact, it will typically keep an unheated conservatory comfortable for a greater part of the year than ordinary double glazing. Allowing you to make the most of your conservatory all year round. Pilkington K Glass™ can also be toughened or laminated for safety and greater security.

Increases comfort
The unique properties of Pilkington K Glass™ mean you can turn down your thermostat and still remain just as comfortable. This can result in savings over and above those shown in the table.

It makes double glazing as effective as triple glazing and cuts fuel bills.


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