Pilkington Optitherm™ S1 Plus is the latest in our low-e range offering ultra low-emissivity and achieving a Ug-value of only 1.0 W/m 2 K when incorporated in a double glazed IGU.

Pilkington Optitherm™ S1 Plus Pilkington Optitherm™ S1 Plus is an off-line coated, single stock product, offering superior thermal insulation performance with Ug-value of 1.0.

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.

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.

Our Pilkington Texture Glass range, and modern etched glass range - Pilkington Oriel, can now be viewed in our updated pattern presenter which has more functionality including a pattern visualiser.

An insulating glass unit comprising 4 mm Pilkington Optifloat™ Clear outer pane, 16 mm argon gas-filled cavity and 4 mm Pilkington Optitherm™ S1 Plus inner pane has a centre pane U value of 1.0 W/m 2 K. For more information on our range of products for thermal insulation, please click here.

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).

Pilkington Optifloat™ Tint is body tinted glass available in a choice of colours; Green, Bronze, Grey, Pilkington Arctic Blue™ and Pilkington Optifloat™ Clear. Pilkington Optifloat™ Tint can be used for visual appeal, to reduce glare or where a degree of solar control performance is required.

The special energy-saving coating on Pilkington Optitherm™ S1 Plus allows the sun’s rays through, but reflects heat from radiators and fires back into your home, saving energy and reducing your heating bills.

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.