waterproofing
noun
- process of making an object or structure waterproof or water-resistant
Wiktionary
noun
- The treatment of something to make it waterproof.
- A waterproof material.
“One hundred thirty-one small, highly permeable masonry wall specimens built of concrete blocks or of bricks were treated with cement-water paints or with other waterproofings.”
verb
- present participle and gerund of waterproof