Calculation of quantity of material for 12 mm thick plaster of ratio 1: 6 (1 Cement:6 Sand) in the wall for 100 Sqm
- Quantity of Cement = 2/(1+6) × 1 (1 Ratio of cement)
- In Kg = 0.30 × 1440 (Density of cement = 1440 kg/m3)
- Quantity of Sand = 2/(1+6) × 6 (6 Ratio of sand)
- In Cubic Feet = 63.558 cft (1 Cum = 35.31 cft)
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Contents
How to calculate plastering thickness?
Step 1: Volume of Plaster. – Here we will calculate the cement consumption in plaster for a 1 square metre area, Let us take the plastering thickness for the surface of the brickwork is 12mm in a ratio 1:6(cement : sand). First upon we have to calculate the volume of the cement mortar which is required for the plastering work of one square metre area,
How to calculate cement consumption in plastering?
How to Calculate Plastering Quantity? – First upon calculating the total area where plaster has to be applied. Then calculate the wet volume of that area where plaster is to be applied. Wet volume of plaster = Area of Plaster x Plastering Thickness We have to calculate the dry volumes of the plaster.
The formula to calculate the Dry volume of the plaster are as follows. Dry volume of plaster = 1.33 x Wet volume of Plaster To calculate the quantity of cement. Cement = (Ratio of Cement Sum of Ratio of Cement and Sand) x Dry Volume of Plaster Here we will get the quantity of cement in m 3 and we can calculate the consumption of cement for plastering work by dividing the total cement quantity by the volume of one cement bag.
After that, we have to calculate the quantity of sand required for the plastering work. Sand quantity = (Ratio of Cement Sum of Ratio of Cement and Sand) X Dry Volume of Plaster Here we will get the quantity of sand required for the plastering work. Also, Read: What Is Gypsum Plaster | Advantage and Disadvantage of Gypsum Plaster
How to calculate cement and sand for 100 m2 plastering area?
How To Calculate Cement, Sand Quantity For Plastering? – Following points should be remembered while calculating the quantity of cement, sand for plastering work.1. For wall plastering, Cement : Sand = 1 : 6 2. For ceiling plastering, Cement : Sand = 1 : 4 3.
- Thickness of plaster should be in between 12-15 mm.
- If an additional coat is required then do not do it at one go.4.
- Use good quality of cement & Sand.5.
- Use measuring box (not head pan) for site mix.
- We will calculate cement and sand for 100 m 2 plastering area in 1:6 ratio and thickness of 12 mm.
- Cement Mortar Required: Plastering thickness = 12 mm = 12/1000 = 0.012m Volume of cement mortar required = ( Plastering Area x thickness ) = 100 m 2 x 0.012m = 1.2 m 3 (This is wet volume of cement mortar (after mixing water) but we need dry volume.
To get dry volume consider 35% bulking of sand and 20% wastages = 1.2 m 3 x (1+0.2+0.35) (Rather than 35% sand bulkage and 20% wastage you can add 1.54 as constant) = 1.86 m 3 Cement : Sand = 1 : 6 Sum of ratio =( 1 + 6) = 7 ∴ Cement required = 1.86 x 1/7 = 0.265 m 3 = 0.265/ 0.0347 ( 0.0347 m3 = 1 bag = 50 kg cement) = 7.66 bags ( ≈ 8 Bags) ∴ Sand required = 1.86 x 6/7 = 1.59 m 3 Here we have calculated in Sq.m but you can also calculate it in Sq.ft.
How to calculate plastering thickness?
Step 1: Volume of Plaster. – Here we will calculate the cement consumption in plaster for a 1 square metre area, Let us take the plastering thickness for the surface of the brickwork is 12mm in a ratio 1:6(cement : sand). First upon we have to calculate the volume of the cement mortar which is required for the plastering work of one square metre area,
How to calculate cement consumption in plastering?
How to Calculate Plastering Quantity? – First upon calculating the total area where plaster has to be applied. Then calculate the wet volume of that area where plaster is to be applied. Wet volume of plaster = Area of Plaster x Plastering Thickness We have to calculate the dry volumes of the plaster.
The formula to calculate the Dry volume of the plaster are as follows. Dry volume of plaster = 1.33 x Wet volume of Plaster To calculate the quantity of cement. Cement = (Ratio of Cement Sum of Ratio of Cement and Sand) x Dry Volume of Plaster Here we will get the quantity of cement in m 3 and we can calculate the consumption of cement for plastering work by dividing the total cement quantity by the volume of one cement bag.
After that, we have to calculate the quantity of sand required for the plastering work. Sand quantity = (Ratio of Cement Sum of Ratio of Cement and Sand) X Dry Volume of Plaster Here we will get the quantity of sand required for the plastering work. Also, Read: What Is Gypsum Plaster | Advantage and Disadvantage of Gypsum Plaster
