Installing Window Film: Tips And Tricks You Need To Know

Written by bprescottFebruary 29, 2012
A pretty kitchen door with decorative window film

Tips and tricks to installing window film

Applying window film isn’t rocket science, but you must follow the manufacturer’s instructions carefully and be patient! Here are a few tips that will hopefully make the installation process go smoothly:

  • Make sure the window is clean, clean, clean, especially along the edges and in the corners. Otherwise, the film will not bond securely. Use a razor scraper to remove any paint or other stuff on the glass. Wipe the glass with a lint-free cloth when finished to avoid leaving any small bits of debris that will cause bumps in the film.
  • Cut the film to size, but make the dimensions 1-inch wider and longer than the dimensions of the glass. Doing this allows you some give and play when positioning the film and still allows you to cut the film to an exact fit on the glass.
  • The directions tell you to spray the window with a wetting solution. Film manufacturers sell their own solution, but you can make your own. Just mix 1 quart of water with 1/2 ounce of clear liquid dishwashing soap, for example Ivory or Joy.
  • All window film has backing that needs to be removed before you apply the film to the window. The easiest way to separate the film from the backing is to put short strips of masking tape at a corner with one piece on the backing and the other on the film. Gently pull the two pieces of tape away from each other to separate the film and backing. Also, have a helper spray a light coating of the wetting solution onto the back of the film while you’re separating the film and backing. Don’t let the adhesive side of the film touch itself or you’ll never get it apart without ripping and ruining the film.
  • When positioning the wet film on the wet glass, try to avoid wrinkles and creases, but also make sure the film overlaps onto the window sash on all sides to provide the best protection.
  • When you’re ready to trim off the excess film along the edges, use a razor knife and leave a 1/16-inch gap around the edges. A good way to create this gap is to use a credit card as your guide for the knife. It’s about the right thickness. After the edges are trimmed, rewet the edges and squeegee them for best adhesion. If you get bubbles, gently pull back the film to release the bubbles, rewet with the solution, and squeegee the bubbles out.

 

From ‘Bathroom Remodeling For Dummies’
Copyright © 2003 by Wiley Publishing, Inc., Indianapolis, Indiana
Used by arrangement with John Wiley & Sons, Inc.

 

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