Glass Performance

VISIBLE LIGHT
Light Transmission percentage represents the actual visible light from the sun the window lets pass through.  Allowing too much light causes glare and eye strain, but blocking too much light defeats one of the main purposes for having windows in the first place.

3/16" Clear Tempered Visible: 89%	1/2" Insulated Tempered LowE Squared Visible: 72%
1/4" Clear Laminate Visible: 89%	1/4" Energy ADV LowE Laminate Visible: 80%
1/4" Heat Mirror Laminate XIR Film Visible: 73%