How to remove glass film

Sometimes the cost of buying a cheap used car is poorly installed smoke film or window with scratches on it. Badly installed smoke film may have air bubbles trapped in it and may reduce visibility, which are the reasons for removing it.

Window film is made of two layers. The film adhesive layer of the stained window is strong and can be difficult to see on the glass of the car because it is transparent and colorless. The process to remove the smoked film from auto glass can last up to three hours.


  1. Cut a black garbage bag so it is the shape of the window that you want to remove the film from smoke. You will need two window covers for each window that is dyed.
  2. Spray with soapy water on the outside of the window you want to work on and place a black garbage bag cover cut on the outside of the window. Smooth the plastic floor over the window with your hand. The soapy water will help the bag stick to the window. In addition, covering the window with the black bag will absorb the heat of the sun, especially on a hot day, which by removing the film I smoked a simpler task.
  3. Place a tarp inside the car, under the window where you want to remove the smoke film. This will protect the inside of the car from cleaning products.
  4. Put on your mask, gloves and safety glasses. Ammonia has a strong smell and you should not inhale its fumes.
  5. Spray the film smoked with the ammonia undiluted.
  6. Place the second black plastic window cover window that you cut out on the side of the window just sprayed ammonia on while the ammonia is still wet. Soak the lid smoked in the ammonia for one hour.
  7. Peel the smoke film. After removing the black plastic from the interior window, use a knife or blade to gently lift the film from one of the corners of the putty window. Pull the film with your fingers to remove the entire film at once. Use ammonia to keep the dyed film moist as you do this. Use the razor blade or knife to lift parts of the polarized film that come off as you pulled on it.
  8. Use steel wool and more ammonia to remove the residual adhesive to the left of the window. Clean the ammonia with paper towels before it dries.
  9. Remove the black plastic from the outside window and clean the window with the glass cleaner.