Resource Type: Glossary Term

The portion of solar energy that passes through glass or film.

The portion of solar energy reflected away by glass or film.

The portion of solar energy absorbed by glass or film.

A hard coating on many films designed to reduce surface scratching during normal cleaning.

A measurement of film thickness, with one mil equal to one-thousandth of an inch.

A small intentional gap between film and frame or gasket that helps installation quality and prevents lifting.

The time after installation when moisture evaporates and the film fully bonds and clears.

A film made through a process that deposits very thin metal or alloy layers for performance and appearance control.

Window film containing metal layers that can improve reflectivity and solar control.

A non-metal film technology that can provide heat rejection with a more neutral appearance.