QA

Question: How Do I Calculate Plastering

Calculation of quantity of material for 12 mm thick plaster of ratio 1: 6 (1 Cement:6 Sand) in the wall for 100 Sqm

  1. Quantity of Cement = 2/(1+6) × 1 (1 Ratio of cement)
  2. In Kg = 0.30 × 1440 (Density of cement = 1440 kg/m3)
  3. Quantity of Sand = 2/(1+6) × 6 (6 Ratio of sand)
  4. In Cubic Feet = 63.558 cft (1 Cum = 35.31 cft)

How do you calculate plastering per foot?

The dry volume of mortar required for external brick wall plastering = 1.33 X Dry volume of plaster = 1.33 X 0.1858 = 0.2471 cum. 1.42 (71 kg) bags cement and 7 cu ft sand required for 100 sq ft area of external brick wall plastering. Since wet volume is always less than the dry volume.

How do you calculate the area of a plaster wall?

Area of Plastering = Length × Width.What Is Plaster Calculation?

  1. m2(Square meter) and ft2 (Square feet) is a total Area and sand in kg (kilogram), cement in bags.
  2. Here 1:5 ratio so 1 is part of cement and 5 is a part of sand6 is total of cement and sand.
  3. 5 is a part of sand.
  4. 1550 is conversion m2 to kg of sand.

How many bags of cement are needed to plaster a room?

To plaster 1 room, you’ll need 6 bags of cement since you’ll need about 3 bags to plaster the internal walls.

Why is plastering needed?

Objective Of Plastering Plastering conceals defective workmen ship and covers up unsound and cheap quality material. Plastering on external walls is done with the object of improving the resistance of the surface to rain water penetration and other atmospheric influences. Plastering protects surfaces against vermin.

What is the strongest concrete mix ratio?

A strong concrete mix would be something like 1:3:5 (Cement, Sand, Coarse Gravel). In this case, both the sand and gravel are the aggregate. In pre-mix concrete, the aggregate is already mixed with the cement.

What is the formula of area of four walls of a room?

Also, to calculate the area of just the four walls of a room, the formula that we use is 2(l+b)h .

How many kg is 1m3 of cement?

conversion result for Portland cement:
From Symbol Result
1 cubic meter m3 = 1,505.74

Can you plaster a room in a day?

Plastering is one of those trades where time is of the essence. You are essentially paying for his skill and not the time taken. That usually means doing it in one day. But there may be preparation that needs to be done, which could add to the time required.

What are the types of plastering?

Types of Plaster

  • Browning plaster.
  • Bonding plaster.
  • Thistle plaster.
  • Carlite plaster.
  • Hardwall plaster.
  • Dri-coat plaster.
  • One Coat plaster.
  • Tough coat plaster.

How many bricks are in 1m3?

Ans. :- 500 no of bricks are used in 1m3 (cubic metre) of brickwork of 4 inch brick wall.

How many square meter can a bag of cement plaster?

Volume of Cement in Kg. = The density of cement is 1440 kg per m. There are 0.08 cement bag is required for the plastering work of one square metre.

How much sand and cement do I need to plaster a wall?

To plaster 100 square metres (15 millimeters thick) you will need: 12 bags cement + 2,3 cubic metres sand. Using masonry cement complying with SANS 50413 class MC 22,5X or MC 12,5. To plaster 100 square metres (15 millimeters thick) you will need: 14 bags cement + 2,25 cubic metres sand.

What is meant by plastering?

Plastering is the process of covering rough walls and uneven surfaces in the construction of houses and other structures with a plastic material, called plaster, which is a mixture of lime or cement concrete and sand along with the required quantity of water.

How much area does a bag of plaster cover?

bags the coverage is 4-6 square metres per 25kg. bag.

How do you calculate the area of a wall?

Walls. To calculate the area of a wall, use the standard formula of (Length) x (Width) = Area.

What is the formula of area of 4 walls?

And the simple method that we use generally is by applying the formula of area of 4 walls of cuboid i.e. 2(l+b)×h.

How much cement is in plaster?

Quantities of Cement, Sand and Water in Various Plaster Mix ratios

Area (Sqm) Plaster thickness (mm) Cement (in Kgs)
10 12 49.37
10 12 39.29
10 12 32.54
10 12 27.80

What’s the hourly rate for a plasterer?

The average salary for a plasterer is £18.24 per hour in London.

How much time does it take for plastering?

Types of plaster

Type of Plaster Use Setting Time
Dry-coat Plaster Used for resurfacing areas with a new DPC 1.5 Hours
Tough-coat Plaster High strength under coat 1.5 Hours
Hardwall Plaster High impact under coat 1.5 – 2 Hours
Browning Plaster Under coat for highly absorbent surfaces 1.5 – 2 Hours

What is the use of plastering?

Plaster, a pasty composition (as of lime or gypsum, water, and sand) that hardens on drying and is used for coating walls, ceilings, and partitions. Plastering is one of the most ancient building techniques.

How much is 1m3 of cement?

Typically, 1m3 of concrete is made up of 350Kg of cement, 700Kg of sand, 1,200Kg of chippings and 150 Litres of water.

How much does a 25kg bag of plaster cover?

One 25kg bag of magnetic plaster will cover five square-metres if applied at 3mm thickness.

What is the thickness of plastering?

Thickness of Plastering

No. of Coat of Plaster Thickness
Single coat plaster 10 to 15 mm
Two coat plaster (a) for under coat 10 to 12 mm
Two coat plaster (b) for finishing coat 3 to 8 mm
Three coat plaster (a) Base coat 10 to 15 mm

How many bags of cement do I need for 1 cubic meter?

Thus, the quantity of cement required for 1 cubic meter of concrete = 0.98/0.1345 = 7.29 bags of cement.

How do you calculate external plaster quantity?

Step 1: Calculate the Area of Plastering

  1. Step 1: Calculate the Area of Plastering. Area = width x height = 10 x 10 = 100m2 Step 2: Find the Volume of Plastering.
  2. Step 2: Find the Volume of Plastering. Volume of First Coat = Area of Plastering x Thickness of Plastering. = 100m2 x 12mm (Convert mm to m)

How many 50kg bags of cement are in a cubic meter?

Procedure To Calculate Cement Bags In 1 Cubic Meter: Weight of 1 bag cement = 50 kg. =0.0347 cum. = 6.25 bags.

How much plastering can be done in a day?

1) Plastering with any mortar 12mm (5”) thick – 3 masons, 3 mazdoors and 1 bhisti can plaster 40sqm (400a ft) per day.

How do we calculate area?

For a square or rectangular room, you will first need to measure the length and then the width of the room. Then multiply the length and width. Length x Width = Area. So, if your room measures 11 feet wide x 15 feet long, your total area will be 165 square feet.

How many bags of cement is 1m3?

Approximately 29 bags are required for 1m3 of cement.

How many bags of cement do I need to lay 1000 bricks?

To lay 1000 bricks = 3 bags cement + 0.6 cu. m. sand.