Plaster of paris is commonly used for coating walls, ceilings, and partitions. It is a pasty composition that hardens on drying since ancient times. Plastering is one of the best building techniques. Authentication indicates that prehistoric people plastered their reed or sapling shelters with mud, therefore they were able to develop more durable structures and plaster of paris provides a good shield to the bad weather. The wall plaster is needed according to the requirement of the building.
- Quality matters a lot when it comes to plastering. Earlier also the plastering extant is of a quality comparable to that used in modern times. Plasterwork is famous all over the world. Plasterwork is also used in the Pyramids of Egypt executed at least 4,000 years ago that is still hard and durable. The principal tools of the plasterer of that time were in design and were quite similar to those used today. The gypsum is similar to the plaster of Paris, Egyptians believe that they can have the finest work with this material. If we talk about the earlier times in the history of Greek architecture plaster of fine white lime stucco was used.
- Stucco is a technique in which plaster of paris was frequently used to cover the exteriors of temples, in addition to covering the interiors. The building is made up of marble in some cases .During the reigns of Henry VIII, Elizabeth I, and James I, the ornamental plaster ceilings of England are were admired. Imitation and mechanical reproduction unsettle the plaster which was the medium of artistic expression waned by the 19th century. Plaster of paris is commonly used as a surface material for interior walls and ceilings and to a lesser degree for exterior walls. It provides cleanliness and sanitation in the building and it acts as a retardant in case there is a fire. Before applying the interior plasterwork the type of lathing which is applied and the number of applications that are necessary are considered most important, so the plasterwork is done accordingly.
- Metal holding tool is used for ornamental plaster for ceilings and cornices that. It has the reverse of the desired profile. There are different ways for manufacture of plaster of Paris. Some of the elements are handmade, while others are consolidated and stuck in place with plaster of Paris. Stucco may be applied immediately to concrete, brick, tile, or a supporting metal lath base. There are various types of finish, including different colors’ and textures may be incorporated in the finish coat. Some of the uses of plaster of Paris are that it is used in mold, casts and preliminary models. The other name for plaster of Paris is hemihydrates which set within a few minutes on mixing with water and for building purposes a retarding agent known as keratin which is a protein, is added. The anhydrous calcium sulfate plasters are slower-setting, and often another sulfate salt is added in small amounts as an accelerator.
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