Here is your ultimate troubleshooting guide to why your window film may be falling down: 1️⃣ The backing paper isn’t removed. There is one even if it doesn’t look like one. It’s clear in colour. 2️⃣ The film is touching the edges somewhere. If it does, air will appear underneath and it will lose its cling. It’s safest to leave a minimum of a 2-5mm gap so it doesn’t touch the window seal. 3️⃣ The window film is applied to a textured glass. If it is, air will come underneath and it will lose its c