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Cement Plaster


What is Plaster?

The term plaster is used for coating walls in any building structure or to coat ceilings. Plaster can easily made up through dry cement when it mixed with water it results a fine paste which later applied on walls to give it fine and smooth look. Plaster is basically a finish material, and its only work is to give the finishing and fine touch to the outer areas of wall and roof. Plaster is not a material that can bear load.


What is plastering?

After knowing the term plaster, here we explain what exactly plaster is & how it works. The term plastering is a complete process to cover different areas of building or any other infrastructure. Plastering can be performed through applying a thin coat of mortar which forms a durable, hard and very smooth surface of walls, roofs, floors, pillars and other part of any infrastructure. This plastering surface is very much capable of to protect the inside bricks and inner part of building from rain water penetration or any other vagaries of atmosphere. Strong adhesion and excellence of water resistance are the basic quality of good plaster, quality plasters have crack free properties which protect interior, it also minimize the inconvenience which cause during maintenance, also gives fine base for applying paint. Plastering is also a very critical yet so important part of building any infrastructures just like: painting, plumbing, flooring or brickwork.


Point to remember: Walls that are made up with bricks or concrete should give a particular time to dry it out before applying of plaster on it. When the process of making walls is over by raking joints, roughing it or by giving it a 'splatter-dash' coat, the surface is become ready to use for plastering.


A Complete description:

'Rendering' its purpose is two-fold, first is to waterproof the walls of building and next is to give and fine & pleasing finish of different textures. Plastering is a very skilled kind of trade and it should be applied by an expert when itís needed. Proper plastering is must as the outer look of infrastructure is completely depend on it, also the looks of walls, pillars and other parts of building. So applying good quality of plaster with good technique is must and very important as well.


Quality is must

The quality matters in everything and so as it plays a very vital role in the plastering as well. Quality and exact proportions of materials makes perfect plaster. Mixing perfect amount of lime, sand and cement forms a perfect plaster. Lime plasters are very soft and have very weak durability as compared to cementís plaster. So usually contractors mix the lime with cement to form a very fine and strong quality of plaster, it also shortens hardening time period. Hardening of plaster and its strength is totally depends on the amount of cement present in the mixture. When cementís proportion becomes less in plaster, the workability of plaster decreases and it becomes very hard to apply it on walls or on any other surfaces. The best kind of plaster is the one which have only cement and particular amount of water in it. This kind of plaster gives maximum strength and lowers the time of hardening as well.


Proportions:

Proportions of plastering in internal areas are best like: 1:1:6, cement, lime and sand equivalently, or as 2lime, 1cement and 9sand. Also lime mix with only 1:3 or 4 can also be used. Remember that as the proportion of cement increases in any mixture it directly affects its strength and make it stronger and increases the hardness and while on other hand it reduces the period of hardening. In some structures cement plasters are necessary to use like in fishponds the plaster of cement is required.


Weather effect:

During rendering & plastering the weather influenced on the work when it get finished. For external rendering it should be necessary to start it from the shady side so it can be stay away from sunlight for as much time as possible. In frosty weather one should not apply any kind of plaster. In colder weathers the time spam between applying of one and than other coat of plaster should be more and the plasters hardens slowly. In hot weather coats must kept damp & should be protected highly from dying for about 3-4 days aftr applying the application.


Ready Plaster

As technology becomes vital by passing time, it gives its impact on plastering techniques as well. With so many techniques it becomes easy to apply the applications on walls and other part of buildings. With ready mix cement plaster all one need is to mix it with water and the plaster is ready to apply on the desired place.





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