Definitions

1. verb

to make a building, vehicle, etc. more resistant to weather by adding weatherproof materials, such as doors, windows, or roofing.

“The contractor weatherised the old house to make it more energy-efficient.”

2. verb

to make something (such as a building or vehicle) more resistant to extreme weather conditions.

“The city decided to weatherise its public buildings in preparation for the upcoming hurricane season.”

3. verb

to apply a weatherproof coating or treatment to a surface.

“The painter weatherised the metal roof to protect it from rust.”