Using Pilkington K Glass™ in your windows will help you achieve a higher Window Energy Rating (WER), therefore helping you meet and exceed the latest energy-saving Building Regulations. Benefits The UK’s best known and most trusted and recognised low-e glass brand

A product from the Pilkington K Glass™ or Pilkington Optitherm™ ranges makes up the inner pane of the double glazing unit. Its primary function is to prevent heat escaping through the windows and return heat back into the home. Pilkington Optiwhite™ makes up the outer pane of the glazing unit.

Pilkington K Glass™ is the brand name for our pyrolitic coated low emissivity glass. See Product Data Sheet Pilkington K Glass™. In some parts of the world, thermal transmittance is referred to as the K value. The units of K value are usually W/m2K, although it is sometimes quoted in kcal/hrm2ºC.

The Pilkington Activ™ Range includes products which benefit from both self-cleaning and solar control properties helping to create an environment that can be used all year round. The product range. Pilkington Activ™ Clear: Self-cleaning glass. Pilkington Activ™ Bronze: Self-cleaning glass with solar control properties