- Location
- Tennessee NEC:2017
- Occupation
- Semi-Retired Electrician
Will duct seal work below grade?
I have to drill a hole from inside a basement and it will come outside below grade. I won't have time to let silicone or spray foam set up before putting the dirt back.
I have to drill a hole from inside a basement and it will come outside below grade. I won't have time to let silicone or spray foam set up before putting the dirt back.