A cement containing dry mix composition comprising: a) 0% by weight to 50% by weight of ordinary Portland cement, based upon the weight of the dry mix composition; b) a water-redispersible polymer powder comprising a carboxylated water-insoluble film-forming styrene-butadiene polymer and a colloidal stabilizer, and c) a cement, wherein 1) said cement comprises from 0.5% by weight to 8% by weight of a calcium aluminate cement, based on the total weight of the dry mix composition, the calcium aluminate cement has an alumina (Al 2 O 3) content of greater than 30% by weight, based upon the weight of the calcium aluminate cement, the amount of ordinary Portland cement is from 25% by weight to 45% by weight, based upon the total weight of the dry mix composition, and calcium sulfate is employed in an amount of from 40% by weight to 60% by weight, based upon the weight of the calcium aluminate cement, or 2) said cement comprises from 30% by weight to 50% by weight of a calcium sulfoaluminate cement, based on the total weight of the dry mix composition, and the amount of ordinary Portland cement is from 0% by weight to 50% by weight, based upon the total weight of the dry mix composition, or 3) said cement comprises from 0.5% by weight to 8% by weight of a calcium aluminate cement, based on the total weight of the dry mix composition, the calcium aluminate cement has an alumina (Al 2 O 3) content of greater than 55% by weight, based upon the weight of the calcium aluminate cement, and the amount of ordinary Portland cement is from 25% by weight to 45% by weight, based upon the total weight of the dry mix composition. a) 0% by weight to 50% by weight of ordinary Portland cement, based upon the weight of the dry mix composition; b) a water-redispersible polymer powder comprising a carboxylated water-insoluble film-forming styrene-butadiene polymer and a colloidal stabilizer, and c) a cement, wherein 1) said cement comprises from 0.5% by weight to 8% by weight of a calcium aluminate cement, based on the total weight of the dry mix composition, the calcium aluminate cement has an alumina (Al 2 O 3) content of greater than 30% by weight, based upon the weight of the calcium aluminate cement, the amount of ordinary Portland cement is from 25% by weight to 45% by weight, based upon the total weight of the dry mix composition, and calcium sulfate is employed in an amount of from 40% by weight to 60% by weight, based upon the weight of the calcium aluminate cement, or 2) said cement comprises from 30% by weight to 50% by weight of a calcium sulfoaluminate cement, based on the total weight of the dry mix composition, and the amount of ordinary Portland cement is from 0% by weight to 50% by weight, based upon the total weight of the dry mix composition, or 3) said cement comprises from 0.5% by weight to 8% by weight of a calcium aluminate cement, based on the total weight of the dry mix composition, the calcium aluminate cement has an alumina (Al 2 O 3) content of greater than 55% by weight, based upon the weight of the calcium aluminate cement, and the amount of ordinary Portland cement is from 25% by weight to 45% by weight, based upon the total weight of the dry mix composition. 1) said cement comprises from 0.5% by weight to 8% by weight of a calcium aluminate cement, based on the total weight of the dry mix composition, the calcium aluminate cement has an alumina (Al 2 O 3) content of greater than 30% by weight, based upon the weight of the calcium aluminate cement, the amount of ordinary Portland cement is from 25% by weight to 45% by weight, based upon the total weight of the dry mix composition, and calcium sulfate is employed in an amount of from 40% by weight to 60% by weight, based upon the weight of the calcium aluminate cement, or 2) said cement comprises from 30% by weight to 50% by weight of a calcium sulfoaluminate cement, based on the total weight of the dry mix composition, and the amount of ordinary Portland cement is from 0% by weight to 50% by weight, based upon the total weight of the dry mix composition, or 3) said cement comprises from 0.5% by weight to 8% by weight of a calcium aluminate cement, based on the total weight of the dry mix composition, the calcium aluminate cement has an alumina (Al 2 O 3) content of greater than 55% by weight, based upon the weight of the calcium aluminate cement, and the amount of ordinary Portland cement is from 25% by weight to 45% by weight, based upon the total weight of the dry mix composition.