Pilkington Optitherm™ S1 Plus combines superior light transmittance with a highly neutral colour. It is the ultimate in thermal insulation and should be specified for any situation where excessive heat loss is a concern.

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 Anti-condensation Glass is suitable for a wide variety of commercial and domestic applications in combination with other energy-efficient glass products such as those from the Pilkington K Glass™ and Pilkington Optitherm™ Ranges.

Pilkington Optitherm RangeProduct Applications Balustrades Doors Facade Roof Glazing Windows Balustrades Canopy Curtain Wall Doors Fire Corridor Floors Furniture ...

When fitted with Pilkington Activ™ combined with a thermally efficient glass such as Pilkington Optitherm™ S1 Plus, your transformed conservatory will be warmer in the winter, cooler in the summer and will look cleaner than ordinary glass.

Which glass can reduce heat loss in winter? We offer a range of products which can provide thermal insulation to reduce heat loss in winter: ... Use our online Supplier Finder to find your nearest supplier of Pilkington UK glass. Was this helpful?

For optimum self-cleaning and thermal performance, Pilkington Activ™ Blue and Pilkington Activ™ Bronze can be combined with a glass from the Pilkington K Glass™ Range or Pilkington Optitherm™ Range in an Insulating Glass Unit.

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.

Low-e products, such as the Pilkington K Glass™ and Pilkington Optitherm™ ranges are high quality clear float glass with a specially formulated, permanent, transparent Low-e coating applied to one surface during glass manufacture.

Better insulation and no cold spots near windows make Pilkington K Glass™, Pilkington K Glass™ S and Pilkington Optitherm™ S1 Plus an excellent choice for conservatories, because thanks to a special low emissivity coating on the surface of the glass, it lets the sun's rays through, but reflects heat from fires and radiators back into your ...