weath·er·ize 
/ˈwɛðəˌraɪz/ verb
weath·er·iz·es; weath·er·ized; weath·er·iz·ing /ˈwɛðəˌraɪz/ verb [+ obj] US : to make (a building, such as a house) better protected against winter weather
▪ We'll weatherize the cabin with insulation.
▪ We'll weatherize the cabin with insulation.
