Having been made waterproof

simple past tense and past participle of waterproof

The property of being waterproof.

(construction) finely graded iron particles combined with an oxidizing catalyst. When mixed with water (or water, cement and sand), the finely distributed particles expand, creating a waterproof layer that becomes part of the surface to which it is applied.

plural of positive side waterproofing

(construction) An application wherein the waterproofing system and source of hydrostatic pressure are on opposite sides of the structure.

(construction) An application where the waterproofing systems and source of hydrostatic pressure are on the same side of the structural element.