A specially prepared thin paint, consisting of a mixture of cement and water, applied to the surface of a concrete wall to give it a uniform finish and to protect the joints against weathering.
cement paint, concrete paint
1.A paint consisting generally of white portland cement and water, pigments, hydrated lime, water repellents, or hygroscopic salts; usually applied over masonry surfaces as a waterproofing.
2. A paint formulated to be resistant to the alkali in the cement surface over which it is applied.