waterproofing

American  

[waw-ter-proo-fing, wot-er-] / ˈwɔ tərˌpru fɪŋ, ˈwɒt ər- /

noun

1. a substance by which something is made waterproof.

2. the act or process of making something waterproof.

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Etymology

Origin of waterproofing

First recorded in 1835–45; waterproof + -ing ¹

Example Sentences

The combination will bring together QXO’s leading positions in roofing, waterproofing, lumber-related building materials, and associated products with TopBuild’s insulation capabilities.

From The Wall Street Journal • Apr. 20, 2026

Seabirds are especially at risk because oil destroyed the waterproofing of their feathers, leading to hypothermia and drowning.

From Barron's • Mar. 17, 2026

Their analysis showed that the waterproofing material was made from animal fat mixed with pine pitch.

From Science Daily • Feb. 16, 2026

Indigenous people and Spanish settlers utilized the viscous goo for medicinal purposes and waterproofing boats.

From Los Angeles Times • Feb. 15, 2026

After completely cutting out all of the diseased parts the cut surfaces should be either sterilized or covered with a waterproofing which combines a fungicide with a covering.

From Northern Nut Growers Association, Report of the Proceedings at the Third Annual Meeting Lancaster, Pennsylvania, December 18 and 19, 1912 by Northern Nut Growers Association