Reflective window film - External
External films are are of weather resistant construction having additional UV barriers to help protect the film from degrading through exposure to sunshine, and also having a strong waterproof adhesive. They are particularly used when inside access is not always possible or depending on the type of glass, in particular laminated, Georgian-wired, heavy tinted glass or some double or tripled glazing.
Low Mirror window film - External
Opalux® Low Mirror external films are used where the end user, or specifier, chooses a more neutral tinted appearance, rather than the mirrored look of solar reflective films. However they still achieve a good level of solar heat and glare control.