防水工事

Also known as waterproofing

thumb|A weatherized building is protected from the outside elements in order to maximize energy efficiency. thumb|Amundsen–Scott South Pole Station Weatherization (American English) or weatherproofing (British English) is the practice of protecting a building and its interior from the elements, particularly from sunlight, precipitation, and wind, and of modifying a building to reduce energy consumption and optimize energy efficiency.