However, the temperature should be optimal (21C), and humidity should be up to 55%. With that said, its best you figure out which material goes well for your construction project on time. The ratio is very important to achieve the correct consistency and stability. Do not consider masonry cement, which contains lime. I think the different types of mortar have different ratios of portland cement and lime in them, the one producing a stronger mortar. Site Map | Customer The ball should hold its shape but release some water when squeezed. The amount of water used in making deck mud will depend on the water content of the sand you use. It prevents your expensive and decorative flooring, tiles, and marbles from breaking due to weights and pressure.