What difference does lightweight gypsum mortar powder make in stucco use?

The use of lightweight gypsum mortar has certain differences in the use of paint. Exterior wall mortar is used outdoors, and the mortar dries quickly, so the amount of water retaining agent should not be too low. An appropriate amount of wood fiber can improve the crack resistance and drying performance of the mortar film, which is beneficial to the workability of the mortar.

Lightweight gypsum mortar powder is mainly used for interior wall painting. Lightweight gypsum mortar powder is a single-component special mortar powder for interior walls made from high molecular polymers, methyl cellulose ether, etc. It has the characteristics of good firmness, high bonding strength and good waterproof performance.

When constructing lightweight gypsum mortar in winter, attention should be paid to the wall surface after construction not to get damp or soaked in water. The ambient temperature for plastering construction is generally above 0℃ and the ambient temperature is below 0℃. At the same time, a winter construction plan is formulated.

If the formula of lightweight gypsum mortar powder is unreasonable, the reaction between the admixture and other ingredients in the formula will also cause the powder to be removed. Here, we must choose manufacturers with rich production and research experience. During the production process, the mixing is uneven, which is also the reason why the lightweight gypsum mortar powder falls off.

Method Three for Lightweight Gypsum Mortar Powder Selection: If the decorator or decoration company tells you that the mortar you buy needs to be mixed with fillers such as white latex or 108 glue, you don’t need to think about it, just reject it and let the builder do it. Give you mortar directly mixed with water. In short, the bottom mortar is suitable for scraping thick mortar, usually 2-5mm. The surface mortar should generally be scraped 1-2mm thick. Recommended thicknesses vary for different types of mortar. For example, the mortar thickness of the bottom layer of the structure should be 2-5mm.

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