Low E Toughened Available glass thicknesses Energytech Clear:4mm, 5mm, 6mm, 8mm, 10mm, 12mm.Energytech Grey:4mm, 6mm.Energytech Superclear:6mmEnergytech Supergreen:6mm Features The coating allows natural light to pass through, and does not emit radiant heat. This makes the most of its inherent light energy efficiency.Helps control the temperature of a room while lowering your energy consumption.Can be toughened, laminated, curved and made into a double glazed unit. Back to Products