1) Physical quantity 2) Protection 3) Sealing 1) Sealant 2) Sealing 
Waterproofing is making an object virtually impervious to water. ==Discussion== Water-proof or water-resistant describes objects relatively unaffected by water or resisting the ingress of water under specified conditions. Such items may be used in wet environments or under water to specified depths. Waterproofing describes making an object waterpr...
• (n.) Same as Waterproof, n., 1. • (n.) The act or process of making waterproof.
(from the article `art conservation and restoration`) ...and spoils finishes. The remedy may involve renewing roof finishes. It may entail inserting a continuous moisture barrier, perhaps in a modern ... Waterproofing is a process applied to such items as raincoats and umbrellas, closing the pores of the fabric by application of such su...
The process where a building component is made totally resistant to the passage of water and/or water vapor. 
Prevention of moisture flow through masonry due to water pressure.
Wa'ter·proof`ing noun 1. The act or process of making waterproof. 2. Same as Waterproof , noun , 1. 
Treatment of a surface or structure to prevent the passage of water under hydrostatic pressure.
A coating used to treat the surface of the substrate, preventing liquid from entering, but allowing water vapor transmission,
[n] - a coating capable of making a surface waterproof 2. [n] - the act of treating something to make it repel water
sealing noun the act of treating something to make it repel water
(1) The methods used to prevent moisture flow through masonry. (2) The materials used to prevent moisture flow through masonry.