reinsulate
/rɪˌɪnsˈʌlɪteɪ, -ˈɪnsjuːleɪt/Definitions
1. verb
to insulate again or reapply insulation to a building, vehicle, or other structure, especially after renovations or repairs
“The homeowner decided to reinsulate the attic to make their home more energy-efficient.”
2. verb
to recover or regain a former state of insulation or a former level of protection
“After the fire, the firefighters worked to reinsulate the damaged area of the building.”
3. noun
the act of reinsulating a building or structure
“The reinsulation project took several weeks to complete.”