Is it normal to have small bubbles in a newly applied car film?

Whether small bubbles in a newly applied car film are normal depends on the specific situation. If they are air bubbles, they will not cause any issues and should disappear within about a week. However, if dirt was trapped during the application, the bubbles are abnormal and will not vanish on their own, requiring a visit to the installation shop for correction.

Precautions for newly applied car film:

Before application, ensure the car windows are intact and the glass is in good condition to guarantee a smooth installation process.

Cover necessary interior parts to prevent liquid seepage before applying the film.

Clean the inner and outer surfaces of the windows thoroughly (focusing on the interior side and glass seal areas) to avoid dirt or debris causing installation issues, ensuring proper adhesion between the film and glass.

Avoid rolling down the windows for 3 days after application; refrain from washing the car during this period to prevent film detachment. Do not clean the heat-insulating film or turn on the defroster switch within the first week.

Do not use alcohol- or ammonia-based solutions to clean the film surface.

From an installer’s perspective, minor bubbles are expected post-application. The film’s adhesive needs time to bond fully, and evaporation or settling can leave temporary imperfections. Skilled installers often leave a slight margin for this, knowing most bubbles will dissipate. If they don’t, it’s likely due to contamination or technique errors, warranting a revisit.

Small bubbles appearing in a newly applied car film (often called a paint protection film or PPF) are relatively common and usually not a cause for concern. These bubbles are typically caused by trapped moisture or air during installation and should disappear within a few days to a week as the film cures. However, larger or persistent bubbles may indicate improper installation and should be assessed by a professional.

1. Temporary bubbles: Tiny, water-based bubbles often vanish as the adhesive dries. This is normal, especially in humid conditions.
2. Air pockets: Small air bubbles may form if the film isn’t perfectly aligned during application. These usually settle on their own.
3. Problematic bubbles: Bubbles larger than a pea or those that don’t shrink after a week could signal poor installation. Dust or debris trapped underneath may require reapplication.

For best results, avoid washing the car or exposing it to extreme temperatures for at least 48 hours after installation. If bubbles remain, consult the installer—most reputable shops offer warranties to fix such issues.