Next, the base coat is applied, followed by the finish coat. If the surface to be plastered is very uneven, three coats of plaster are applied where the first coat, scratch or dash coat, is applied for a smooth finish. If the thickness of the plaster is more than 15 mm or when you need a finer finish, two coats of plaster are required.
For inner walls, a single coat of plaster is generally sufficient to achieve the desired finish. The number of plaster coats applied varies according to the requirement. Because there are many advantages of PPC cement over OPC cement. PPC cement is preferred in place of OPC-grade cement for plastering. Generally, OPC 43 and OPC 53-grade cement is mixed with sand (the fine aggregate) in different proportions hence, this plaster is also called as the cement-sand plaster. What is Cement Plaster?Ĭement plaster is a homogenous mixture of Portland cement, fine aggregates, and water. In this article, you will find brief information pertaining to cement plaster. Nowadays, cement plaster is mostly used in plastering the walls of a house. The plastic material or mortar used in the process is essentially a mixture of various building materials such as cement, lime, gypsum, fine aggregates (sand), and water.
It protects the walls from rain and other environmental factors that could damage the structure.
Plastering also provides a satisfactory base for painting, distempering, white washing, or colour washing. A coat of plaster can conceal uneven surfaces, making your walls look even, smooth, clean. Plastering the interior and exterior walls of your home is an important task as it renders a perfect finish to the wall surface and adds strength to them.
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