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  • To avoid thermal breakage use only if chart indicates (yes) as safe to use

Film-to-Glass compatibility guidelines

Solar control window films, tinted (architectural) and some privacy window films work by reflecting, absorbing, transmitting and re-radiating solar energy. The way this is done can cause the glass to expand at a slightly greater rate than glass without film. With laminated glass, Georgian wired glass and some tinted glass this expansion can lead to thermal stress, under certain circumstances, that might cause the glass to fracture. It is therefore important to ensure compatibility by fitting the correct film to your particular glazing.

Follow the guidelines below to ensure a trouble free installation.

solar control window films

RS20 /RS35

 Clear S/G Clear D/G Tinted S/G Tinted D/G

Float/Annealed

yes yes no no

Toughened

 yes yes yes yes
Laminated yes no no no

Georgian Wired

 no no no no

HPN35 

        

Float/Annealed

 yes yes no no
Toughened yes yes yes yes

Laminated

 no no no no

Georgian Wired

 no no no no

HPN20 

Float/Annealed

 yes no no no

Toughened

 yes yes yes yes

Laminated

 no no no no
Georgian Wired no no no no
privacy window films
RS20P Clear S/G Clear D/G Tinted S/G Tinted D/G
Float/Annealed yes yes no no
Toughened yes yes yes yes
Laminated yes no no no
Georgian Wired no no no no
Black Blackout         
Float/Annealed yes no no no
Toughened yes yes yes yes
Laminated no no no no
Georgian Wired no no no no
White Blackout         
Float/Annealed yes no no no
Toughened yes yes yes yes
Laminated no no no no
Georgian Wired no no no no
Key: S/G = single glazed / D/G = double glazed

  • to avoid glass cracking due to differential of expansion film should completely cover the pane
Call 0845 270 3518 for technical support

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