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How Much Cement and Sand Required for Plastering?

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Home Renovation
3 2022-03-07T23:57:27+00:00
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Plastering smoothens the surface of the wall and removes all the imperfections. Different types of plaster are used to create a strong base. Mostly, cement plaster is used for construction of houses. Other plasters are also used such as lime plaster, clay plaster, etc. If you are using cement for plastering you will need sand as well to create that string mixture. So let us learn about how much cement and sand required for plastering.

How much cement and sand required for plastering?

To understand sand and cement required for plastering we should remember: The ratio of cement and sand should be 1:5. That is 1 part cement and 1 part of sand should be used for plastering. Besides, the plaster's overall thickness should be 20mm for 2 coats. The dry density volume of cement is 1440Kg/m3. Each bag of cement contains = 50 Kgs or 110 lbs The dry density of the sand is = 1600Kgs/m3 The plastering must have two layers of coats. At Least 12mm thickness is required for the first coat. Generally, the first coat ranges between 12-15mm. This coat is known as a rough coat or primary coat. The second coat should be a minimum of 8 mm thick to ensure that the plaster has a long lasting effect. The second coat is known as finish coat or secondary coat in plastering. Therefore for plastering we need a primary coat which is 12mm and secondary coat which is 8 mm. I hope you have learnt how much cement and sand required for plastering. Hire professional painters at a reasonable cost and get a 50% discount on your first appointment. Book Now! Read more: How To Clean Plaster Dust From Your Home ? How To Get Rid Of Plaster Bagworms In House?
2 2023-04-29T13:16:17+00:00
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Plastering is the process of covering a wall or ceiling with cement plaster to provide protection. Putting is finished to eliminate surface defects brought about by brickwork and to save the surface smooth for painting. I understood the cement sand ratio for plastering, when I did a small DIY project for my home. Get the correct proportion idea for the cement required for your home by the expert Interior Designers of NoBroker. Cement plaster is widely used among the many different types of plastering materials. A few different kinds of putting materials incorporate lime mortar, mud mortar, and so on. I will tell you cement and sand required for 1 sqm plastering.

How to figure out the ratio of cement and sand for plaster?

  • The cement required for 1 sqm plastering (Ex. Cement: In a mortar, the ratio of sand to cement is one part to five.
  • Sand required for 1 sqm plastering should have a minimum thickness of 20 mm across both coats.
  • The dry density of cement is 1440 kg/m3. 
  • Each bag of cement weighs 50 kg or 110 lbs.,
  • The volume of each bag is 50 kg/1440, or 0.0348 m3.
  • The dry density of sand = 1600Kgs/m3
  • The putting is finished in two layers (two coats): The first coat of plastering, also known as the rough coat or primary coat, is applied with a thickness of at least 12 millimetres (typically between 12 and 15 millimetres).
  • The second coat of plastering, also known as the "finish coat" or "secondary coat," should be applied with a thickness of 8 millimeters.
  • Total Plastering = First coat + Second Coat

How much sand required for 1 bag of cement for plastering?

Mix Ratio Areas of usage
1:6 & 1:5 This ratio is usually used for Internal plastering of bricks
1:4 Used for Ceiling and external walls
1:3 As it's a rich mortar mix and it is used where external walls are prone to severe climatic conditions. It is also used for repair work.
I hope this helps you understand cement sand ratio for plastering. Avail NoBroker’s Home Renovation service if you are planning on renovating your house Read More: How Many Cement Bags Required for 1200 Sq Ft House?  How to Use White Cement to Fill Gaps Between Tiles?  How To Calculate Cement Consumption In Brick Bat Coba
1 2023-08-25T09:01:30+00:00
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The plastering cement sand ratio will vary depending on the specific requirements, like: 
  • Surface type
  • Plaster layer thickness
  • Purpose and location
  • Climatic conditions
  • Type of plaster
  • Cement type and more
However, since we constructed a house in March, I can share the ceiling plastering ratio. 

What should be the cement and sand ratio for plastering?

Here is a list of cement and sand ratios used for different types of plastering:
  • 1:3 Ratio (1 part cement : 3 parts sand): This ratio is commonly used for interior plastering on surfaces like walls and ceilings that are not exposed to excessive moisture.
  • 1:4 Ratio (1 part cement: 4 parts sand): This ratio is often used for exterior plastering, as it provides a slightly weaker mix that can accommodate slight movement and weathering.
  • 1:5 Ratio (1 part cement: 5 parts sand): This ratio is used for rough plastering, especially on surfaces like the base coat of external walls, which are not visible in the final finish.
The quality and properties of both the cement and sand play a significant role in determining the final strength and durability of the plaster. It is best to consult with a builder and get exact portions. Get properties within your budget from reputed builders through NoBroker Read More: Which Cement is Best for Plastering? How to get rid of plaster bagworms in house? Which is the Best Cement for Concrete? Which Cement is Best for House Construction?

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