weatherize
ˈwɛðəraɪz
Definitions
1. verb
to make or treat something, especially a building or a vehicle, to be more resistant to the elements, especially by sealing gaps and cracks, and installing insulation and weatherproofing materials
“She had her house weatherized to reduce energy costs and improve its durability.”
2. noun
the process of making or treating something to be more resistant to the elements
“The company specializes in weatherization services to help homeowners save on utility bills.”