# How much cement required for 100 sqm plastering

How much cement required for 100 sqm plastering,Cement sand required for 100 square metre plastering, in this article we know about how much cement required for 100 sqm plastering.

Plastering is process of fixing of cement mortar material as adhesive or binding over the both surface of brick wall or concrete wall to increases it smoothness durability long live and its strength. Cement mortar is mix material of cement and sand.

And in this topic we calculate how much cement required for 100 sqm plastering. In this topic we also know about type of plastering that is external wall plastering, internal wall plastering and ceiling plastering and theire mix ratio and thickness of internal plastering external plastering and ceiling plastering and you should also visit our YouTube channel @Hello sir #hellosir

## type of plastering

There are three types of plastering of brickwall

1) external brick wall plastering

2) internal brick wall plastering

3) ceiling or concrete plastering

### What is external brick wall plastering

rough surface of brick wall that is known as external brick wall it needs to improve its surface smoothness by plastering work.

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Mix ratio for external brick wall plastering is about 1:4 in which 1 part is cement and 4 part is sand and thickness of external brick wall plastering is about consists of two coat first Coat of 12 mm and second coat of 8 mm that is aggregate thickness of external brick wall plastering is 20 mm.

### Quantity of cement required for 100 sqm plastering

solve :-

Area of platering work = 100 m2

Thickness of plastering = 20 mm

You should convert millimetre into meter by dividing with 1000

Thickness = 20/1000 = 0.02 m

Volume of plastering = 100m2× 0.02 m

Volume of plastering work = 2 m3

In plastering process some amount of cement mortar quantity get wastage we consider about 20% of mortar wastage

20% of 2 m3 = 0.4 m3

Total volume of mortar needed for external brick wall plaster = 2m3+0.4m3 = 2.4 m3

Now we have to calculate dry volume of cement mortar for calculating this we should multiply with cofactor 1.33 in wet volume of cement mortar

Dry volume = 1.33 × 2.4 m3 = 3.192 m3

Now mix ratio for external brick wall plastering is about 1:4

Total proportion = 1+ 4 =5

Part of cement = 1/5

Part of sand = 4/5

#### Quantity of cement required for external brick wall plastering

Weight of cement = 1/5× Volume× density

Part of cement = 1/5

Dry volume of mortar = 3.192 m3

Density of cement = 1440 kg/m3

Weight = 1/5 × 3.192 m3× 1440m3/kg

Weight of cement = 919.296 kg

1 bag cement = 50 kg

Number of bags of cement = 919.296/50

Number of bags of cement = 18.38

18.38 (919.3kg) number of bags of cement required for 100 sqm of external brick wall plastering

#### Quantity of sand required for 100 sqm external brick wall plastering

1 m3 = 35.32 cuft
Part of sand = 4/5

Mortar quantity = 3.192 m3

We need to convert mortar quantity in cubic metre into cubic feet so this we should multiply with 35.32

Volume of sand = 4/5×3.192×35.32 cuft

Volume of sand = 90.19 cuft

90.19 cubic feet of sand is required for 100 sqm of external brick wall plastering

### What is internal brick wall plastering

plain surface of brick wall that is known as internal brick wall it needs to improve its surface smoothness by plastering work.

Mix ratio for internal brick wall plastering is about 1:6 or 1:5 in which 1 part is cement and 6 part is sand and thickness of internal brick wall plastering is about consists of one coat of 12 mm

#### Quantity of cement required for 100 sqm internal plastering

solve :-

Area of platering work = 100 m2

Thickness of plastering = 12 mm

You should convert millimetre into meter by dividing with 1000

Thickness = 12/1000 = 0.012 m

Volume of plastering = 100m2× 0.012 m

Volume of plastering work = 1.2 m3

In plastering process some amount of cement mortar quantity get wastage we consider about 20% of mortar wastage

20% of 1.2 m3 = 0.24 m3

Total volume of mortar needed for internal brick wall plaster = 1.2m3+0.24m3 = 1.44 m3

Now we have to calculate dry volume of cement mortar for calculating this we should multiply with cofactor 1.33 in wet volume of cement mortar

Dry volume = 1.33 × 1.44 m3 = 1.9152 m3

Now mix ratio for internal brick wall plastering is about 1:6

Total proportion = 1+ 6 =7

Part of cement = 1/7

Part of sand = 6/7

Quantity of cement required for internal brick wall plastering

Weight of cement = 1/7× Volume× density

Part of cement = 1/7

Dry volume of mortar = 1.9152 m3

Density of cement = 1440 kg/m3

Weight = 1/7 × 1.9152 m3× 1440m3/kg

Weight of cement = 393.984 kg

1 bag cement = 50 kg

Number of bags of cement = 393.884/50

Number of bags of cement = 7.879

7.879 (394 kg) number of bags of cement required for 100 sqm of internal brick wall plastering

#### Quantity of sand required for 100 sqm internal brick wall plastering

1 m3 = 35.32 cuft
Part of sand = 6/7

Mortar quantity = 1.9152 m3

We need to convert mortar quantity in cubic metre into cubic feet so this we should multiply with 35.32

Volume of sand = 6/7×1.9152×35.32 cuft

Volume of sand = 57.98 cuft

57.98 cubic feet of sand is required for 100 sqm of internal brick wall plastering

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### What is ceiling or concrete wall plastering

rough surface of ceiling that is known as concrete wall it needs to improve its surface smoothness by plastering work. Mix ratio for ceiling plastering is about 1:3 in which 1 part is cement and 3 part is sand and thickness of ceiling plastering is about consists of one coat of 6 mm

#### Quantity of cement required for 100 sqm concrete plastering

solve :-

Area of platering work = 100 m2

Thickness of plastering = 6 mm

You should convert millimetre into meter by dividing with 1000

Thickness = 6/1000 = 0.006m

Volume of plastering = 100m2× 0.006 m

Volume of plastering work = 0.6m3

In plastering process some amount of cement mortar quantity get wastage we consider about 20% of mortar wastage

20% of 0.6m3 = 0.12 m3

Total volume of mortar needed for ceiling plaster = 0.6m3+0.12m3 = 0.72 m3

Now we have to calculate dry volume of cement mortar for calculating this we should multiply with cofactor 1.33 in wet volume of cement mortar

Dry volume = 1.33 × 0.72 m3 = 0.9576 m3

Now mix ratio for ceiling plastering is about 1:3

Total proportion = 1+ 3 =4

Part of cement = 1/4

Part of sand = 3/4

#### Quantity of cement required for ceiling plastering

Weight of cement = 1/4× Volume× density

Part of cement = 1/4

Dry volume of mortar = 0.9576 m3

Density of cement = 1440 kg/m3

Weight = 1/4 × 0.9576 m3× 1440m3/kg

Weight of cement = 344.736 kg

1 bag cement = 50 kg

Number of bags of cement = 344.736/50

Number of bags of cement = 6.89

6.89 (344.7 kg) number of bags of cement required for 100 sqm of ceiling plastering

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#### Quantity of sand required for 100 sqm ceiling plastering

1 m3 = 35.32 cuft
Part of sand = 3/4

Mortar quantity = 0.9576 m3

We need to convert mortar quantity in cubic metre into cubic feet so this we should multiply with 35.32

Volume of sand = 3/4×0.9576×35.32 cuft

Volume of sand = 25.37 cuft

90.19 cubic feet of sand is required for 100 sqm of external brick wall plastering