It reduces some of the direct heat from the sun passing to the inside of the building. The amount will depend on both the colour of the glass and its thickness. Toned glass is available in a range of colours to enable different aesthetics and performance of the building to be achieved.

Toned glass can be easily incorporated into a double glazed unit if required and can assist in reducing glare, it can be laminated or toughened if required.

Toned glass provides a degree of privacy (depending on colour). However unless incorporated with a Low E coating or used in a double glazed unit it remains poor in its insulation benefits. Clear glass and SuperGrey™ glass have the same insulative benefits, which are the worst in terms of insulation performance