This video is about a air conditioning sweep that was bypassing air because the septum was not properly set up.These are the tools I uses: www.amazon.com...
Looks good to me. I once fixed ac in attic, txv bulb was never covered, in 10 years, and a duct was hanging free, done the same thing with the bulb plus hvac tape and fixed the duct, I was only there to change the filter. That was the only insulation I had on truck. LOL. been three years still there. Keep the videos coming.