Here is my video showing the sealing technique:
https://youtu.be/7Z_vWq75414?si=5p600xVI5HUlHNjy
Here are a few videos for installation tips:
https://www.youtube.com/watch?v=MjGPwAnOHks
https://www.youtube.com/watch?v=JWmgYPzCZ5c
https://www.youtube.com/watch?v=7nMk3gFs9js