How to use gypsum plaster?

 Gypsum plaster comes in a factory made ready to use format. These may be classified according to the grain size and quality of the raw material ( gypsum ) used. 

Gypsum plaster is transferred to a dry container and mixed with desired quantity of clean water and stirred well with a mixer, to attain required consistency, for workability. This is then allowed to transform into a plastic state, keeping it aside without disturbing. This will be helpful in applying them on the wall surface. 

Gypsum plaster are applied to wall surface by skilled labors at different consistency, at various stages to attained a levelled and smooth finish. Each time the consistency of the plaster will be changed according to the requirement of the plastering stage. The plaster is prepared with respective consistency when and when required to minimalize the wastage, because the gypsum plaster will start to set faster. While applying on concrete surface or any other smooth surfaces, an adhesive material is applied prior to applying gypsum plaster. This adhesive will give a good bonding strength between the smooth surface or the concrete surface.

A number of plasters are used in plastering, among them gypsum plaster offers better advantages, in terms of smooth finish coat, strength, curing time, good insulation, shrinkage crack resistant, light weight and resistant to fire. It is due to the physical property of gypsum plaster, consisting of 66 percent of hemihydrate calcium sulfate plus other two materials added at the factory to control setting time and working qualities. The pyramids of EGYPT contain plaster work executed atleast 4000 years ago that is still hard and durable. The principle tools of the plasterer of that time were in design and purpose like those used today. For their finest work Egyptians used a plaster made from calcinated gypsum, that is identical to POP.

One of the common causes of defects in buildings is the presence of water. Dampness can itself be a defect and it can be the cause of other defects. There is also epidemiological evidence from studies on indoor air quality as noted by the World Health Organization (WHO) to show that people living in damp or mold-ridden buildings are at an increased risk of respiratory disorders (WHO 2009).

One of the best advantages of gypsum plaster, that impress a common man is, the touch and feel factor. One will be mesmerized to see the finish and feel the difference once he/she touches the gypsum plastered surface. The temperature of the surface will be cool enough that one will say, this is AWSOME!