I bought two rolls for two windows. I washed both windows. and that's what happened. Since this moment. It took me exactly 20 minutes for both windows. It was so easy. I bought an extra set with a mop, a bottle of soapy water and a cutter. but found that you don't really need them. Everything you need, namely a squeegee, came complete with a foil. except for a bottle of soapy water. However. That's how it works. You clean the window. Then trim the film to fit the window, leaving a 1/16 gap. I assume this is to allow the soapy water to drain away. I cut it out with a utility knife and with heavy pressure. Be sure to put something underneath so it doesn't hit the countertop. Then you spray liberally soapy water on the window. Remove the paper from the foil (it peels off easily) and press the foil firmly. Dampen the slide yourself with soapy water and you can slide and move the slide. It is important to spray water on the film so that the squeegee can be used easily. because the soapy water allows the squeegee to slide over the film. it wouldn't work as well or as easily without soapy water. Soapy water is vital. I don't remember the soap to water ratio but you can find it under the description or in other comments. After removing all small soap bubbles. and wipe off excess soap solution. They have made. I have enough left over to make the top of the bathroom window. and found that after applying it I had to correct the cutting line on it. After a few hours it just came off and I fixed it. and again used soapy water to reapply it. Looks great. I even went outside after dark to see what it looked like from the outside with the lights on. and it looked great. like a real stained glass window. I am completely satisfied with this purchase. Update six months later: The window film is still stuck. the colors are true and it looks just as beautiful today as it did the day I put it on 6 months ago. However, I like it. I hope this review was helpful and informative.
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