HVAC 15: More mastic on the air handler - is it sealed yet?
Channel: Brian Greul
Date: 05/07/2022

This is the second video on sealing the air-handler.  It's really critical to have a good coat of mastic on the areas that need to be sealed.  Most HVAC folks don't have 16 hours to let the mastic setup and then come back and put another coat on.  So it gets slapped on there.  I'm only inconvenienced by not having this unit running, so I'm taking the time to work on it while it's out of it's install location.