HOW DARK CAN WINDOW TINT BE IN   PENNSYLVANIA? 
                                     
                              Darkness of tint is measured by   Visible Light Transmission percentage (VLT%). In Pennsylvania, this percentage   refers to percentage of visible light allowed in through the combination of film   and the window.   | 
                          
                          
                            • Windshield  | 
                            No tint is allowed on the windshield.   | 
                          
                          
                            • Front Side Windows  | 
                            Must allow more than 70% of light in.   | 
                          
                          
                            • Back Side Windows  | 
                            Must allow more than 70% of light in.   | 
                          
                          
                            • Rear Window  | 
                            Must allow more than 70% of light in.   | 
                          
                          
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                            HOW REFLECTIVE CAN THE TINT BE   IN PENNSYLVANIA? 
                                     
                              Similar to sunglass lenses,   some tinting film contain metallic elements that help in reflecting incoming   light and reducing the glare and heat generated by visible light.  
                              | 
                          
                          
                            • Front Side Windows  | 
                            No metallic or mirrored appearance.   | 
                          
                          
                            • Back Side Windows  | 
                            No metallic or mirrored appearance.   | 
                          
                          
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                            OTHER PENNSYLVANIA RULES AND   REGULATIONS  | 
                          
                          
                            • Restricted Colors  | 
                            No colors of tint are explicitly banned.   | 
                          
                          
                            • Side Mirrors  | 
                            Dual side mirrors are required if back window is tinted.   | 
                          
                          
                            • Certificate Requirements  | 
                            Manufacturers of film do NOT need to certify the film they sell in the   state.   | 
                          
                          
                            • Sticker Requirements  | 
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                            • Medical Exemption  | 
                            State allows medical exemptions for special tint. For more details about the   specific terms of the exemption, consult your state law.   |