Exterior window film reduces solar gain

02 June, 2011

Exterior window films from 3M are applied to the outside of the window and claimed to block up to 77% of solar energy to reduce solar gain. Applying these films externally to double or triple glazing greatly reduces the risk of breakage from thermal stress.

These films transmit up to 90% of visible light to preserve interior and exterior views. There is no change to the exterior appearance of the building such as darkening of windows or mirror effect.

For more information on this story, click here: June 2011, 163

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Exterior window film reduces solar gain