Explore Pilkington K Glass™ | the original hard‑coated low‑emissivity glass trusted in the UK for over 20 years. Optimised for energy-efficient insulating glass units, it reflects heat to reduce heating costs while maintaining high light transmission.

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 is an off-line coated, single stock product, offering superior thermal insulation performance with Ug-value of 1.0.

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 Microwhite™ is an extremely thin, high-grade float glass manufactured to precise standards, suitable for a variety of applications.

Figures based on IGU incorporating 6mm Pilkington Optifloat™ Clear pane unless otherwise stated * g-value depends on which thermal insulation glass is selected as inner pane

We offer a range of low-e energy-efficient glazing to suit every type of property, from a modern home to an older traditional styled home.

Discover Pilkington energiKare™ Triple | a high-performance triple glazing solution designed to deliver exceptional energy efficiency. Achieve U-values as low as 0.5 W/m²K, surpassing current building regulations and enhancing comfort in both new and existing homes.

Pilkington K Glass NApplications For This Product Balustrades Doors Facade Roof Glazing Windows Balustrades Canopy Curtain Wall Doors Fire Corridor Floors Furniture ...

Pilkington Activ™ Clear is the original dual‑action self‑cleaning glass, using daylight to break down organic dirt and rainwater to rinse it away. Ideal for conservatories, skylights, windows, and facades, it reduces the need for manual cleaning and keeps glass clearer for longer | even in overcast conditions.

Pilkington K Glass™ forms the inner pane of an energy-efficient double glazed unit, such as Pilkington energiKare™. The coating reflects heat back into the room whilst also letting in free heat from the sun, known as passive solar gain.

Discover Pilkington K Glass™ A, an advanced low‑emissivity, hard‑coated glass offering enhanced thermal insulation for insulated glazing units (IGUs). Trusted in the UK, it maximises energy efficiency, retains interior heat, and delivers excellent light transmission for sustainable building designs.