The standard ratio for general purpose mortar, type N mortar, is one part Portland cement, one part lime and six parts sand. Type N mortar is typically used for exterior walls above ground level that are exposed to the e... More »

The ratio of cement by volume for standard concrete is one part Portland cement, three parts aggregate and three parts sand. General purpose mortar requires one part Portland cement, one part hydrated lime and three part... More »

The sand to cement mix ratio depends on the type of application for the mix; for example, concrete mix, mortar mix, screed mix and plastering mix all have different ratios. While the preferences may vary, some manufactur... More »

The ratio of cement by volume for standard concrete is one part Portland cement, three parts aggregate and three parts sand. General purpose mortar requires one part Portland cement, one part hydrated lime and three part... More »

The ratio to mix mortar is historically accepted as 1:3 of sand and cement. Mortar is a mixture of cement used in the building trade to hold bricks together. More »

The basic mix ratio for concrete is one part water, two parts cement and three parts sand. An alternative ratio is one part cement, two parts sand and three parts gravel with enough water added until the mixtures reaches... More »

One rule for mixing concrete is 1 part cement and 2 parts sand to 3 parts aggregates by volume or about 10 to 15 percent cement, 60 to 75 percent aggregate and 15 to 20 percent water by weight. Entrained air in many conc... More »