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

Pilkington K Glass™ S is our latest high performance, low-emissivity soft coated product which offers excellent thermal insulation when incorporated within an Insulating Glass Unit (IGU). It has a highly neutral appearance with optimal solar heat gain, thermal insulation and light transmission to provide the highest Window Energy Rating (WER ...

Pilkington K Glass™ S. Our latest and best performing, low-emissivity soft coated version of Pilkington K Glass™ helps to achieve the top WER band for windows in homes. Pilkington Optitherm™ S1 Plus. Pilkington Optitherm™ S1 Plus is an off-line coated, single stock product, offering superior thermal insulation performance with Ug-value ...

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.