As default, the plaster thickness is assumed as ½ inch. (10 sq.mtr) area of 12 mm thickness = 10 x 0.012 = 0.12 cum Cement consumption in plaster 1:4 for 1 m2 area, in this topic we learn about cement consumption for plastering of 1 square metre area. Concrete Mortar Calculation For Brick Work Plastering. Advertisement . The total thickness of two-coat work exclusive of keys or dubbing- out shall be generally … Before plastering a surface we first need to get the required volume of cement and sand. Plastering thickness 12 mm            = 12/1000 = 0.012m, Volume of cement mortar required = ( Plastering Area x thickness ), (This is wet volume that means we need this much volume of cement mortar after mixing water, So for dry volume, we have to add 30-35% as bulkage of sand, we are using 35% and wastage as 20%), Consider 35% Sand Bulkage     = 1.2 m3 x (1+0.2+0.35) (Many of us would use 1.54 as constant), Cement : Sand (Ratio) = 1 : 6 ( Total = 1+6 = 7 Parts ), We normally use Sq.m while calculating plastering cement mortar. Whether you’re using a pre-mixed mortar or mixing on-site, it’s important to understand the various types there are and which is appropriate for your project. Great article. So, let us first calculate quantity of cement and sand required for 1m 3 of cement mortar. Considering voids in sands, we assume that materials consists of 60% voids. The dry volume of mortar we calculated above is 5.42 cubic feet. Comment document.getElementById("comment").setAttribute( "id", "a1e557bea269f87075d3c5a652c6f74f" );document.getElementById("d4ccb64ea5").setAttribute( "id", "comment" ); Notify me of follow-up comments by email. Procedure for calculation is: 1. Please note, before using the calculator embedded in this post understand the plastering cement mortar calculation concept. It is also used for repair works. Cement, Sand and Water calculation of 12mm thick Plaster of various cement mortar ratio 1:3, 1:4, 1:5 and 1:6 used for various purposes like Internal Plastering, External Plastering, brickwork mortar etc., So, when calculating cement mortar for plastering you’ll need to carefully check the required thickness for the surface you’re going to plaster. Numbers of … Please note: Wastage of 5% to be allowed. But, when you’re going to plaster in a room, there should be windows, doors, and other wall openings. Density of Cement sand mortar = 2200 kg/cum (Approximately) So, Amount of plaster mortar (1: 4) yielded with one Bag of cement (50 kgs) = 336/2200 = 0.153 cum. Height of wall: m. Length of wall: m. You will need: Click here for our other building calculators . First we need to calculate area of plaster by length and width. Calculating cement mortar volume for plastering is easy. Required fields are marked *. Brickwork Calculation & Formula For ceiling plastering, the ratio of Cement : Sand = 1 : 4. Calculation of quantity of cement mortar in brickwork and plaster: For the calculation of cement mortar, let us assume that we use 1m 3 of cement mortar. You just need to get the mortar volume. Suppose, you’re going to plaster in a wall surface which is 10 feet long and 10 feet width. Required water = 0.10 × (weight of cement + weight of sand). 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To calculate the cement and sand for 100 m2 plastering area in 1:6 ratio and 12 mm thickness. 18mm: 18 MM thick cement plaster with neat cement slurry is required for making ‘Dado’ with the cement concrete flooring. Cement consumption in plaster 1:4 for 1 m2 area, in this topic we learn about cement consumption for plastering of 1 square metre area. Calculate the dry volume of materials required for 1m 3 cement mortar. Note: For a better view, please read this post in landscape view if you are on the mobile device. For mixing mortar with one bag of cement, you’ll need (1.25 × 4) five cubic feet of sand. In this post we are discussing about cement plastering work. Disclaimer. Required Volume of Cement = 1/4 x 1.55 (void ratio ) x Mortar Volume = 1/4 x 1.55 x (10*0.015) = 0.058 cum or 1.67 Bags 1 Bag of cement in cubic metres = 0.0347 cubic meter. Multiplying the thickness of plaster with the plastering area you’ll get the mortar volume. The thickness of the Internal Wall Plastering = 12 to 15 mm . work may also be taking under a separate item, specially in the ceiling inside room. An experiment conducted by IS standard observed that the Abrams’ law of w/c is also applicable for cement mortar. If we see that in a mathematical term, we’ll find. Considering voids in sands, we assume that materials consists of 60% voids. Adding Bulking of Sand & Wastage. 1) Seal Joint: Rack the joints between RCC members and masonry out at least 10mm deep. The ratio of Cement Mortar for Ceiling Plastering = 1:4. Ensure you are using good quality of cement & Sand (In, Also, ensure you are using measuring box (not head pan) for site mix ( Here is the basic. Plaster thickness = 12 mm = 0.012 m Cement density = 1440 kg/m 3 1 m3 = 35.3147 ft3 Suggested Plaster Thickness 12 mm for internal walls or brick wall plain surface. Wall plastering calculation. 4. Procedure for calculation is: 1. The dry volume of motor required for plastering = 1.27 X Dry volume of plaster = 1.27 X 0.012 = 0.01524 cu. in this video it is shown that how to calculate sand and cement in plaster. Then cost of plaster is fixed for thickness of plaster is different of 12 mm and 10 mm. Calculation of Cement and Sand for Plastering Excel Sheet Thickness of Plastering . 15 MM cement plaster is required on the rough side of 9” and 4.5” wall. Just convert that sq.ft into Sqm using Google Instant Area Conversion Tool and then use this formula. But please correct the Cement quantity per SFT of plaster typed above quickly, it made me pretty puzzled to find it matched in proving my calculation. Saying, 0.001 wrongly, should be 0.01, no? Amount of plaster mortar required for plastering 100 sq.ft. Wall plastering calculation. And, for 1 square feet plastering surface, the required sand volume is. I’ve talked about this before on the post on how to calculate the dry volume of mortar. Thanks for sharing ideas. Cement = 50 kgs , Sand = 230 kgs and Water = 56 kgs. This calculator calculates cement and sand required to plaster a given surface area with plaster of specified thickness. Density of Cement sand mortar = 2200 kg/cum (Approximately) So, Amount of plaster mortar (1: 4) yielded with one Bag of cement (50 kgs) = 336/2200 = 0.153 cum . We know that cement mortar is mixture of cement and sand. To get the actual plaster quantity you need to deduct all the openings from your calculated plastering surface area. Now the question is, what is the 1.27. In this excel sheet, you will calculate the quantities of sand and cement for plastering. Thin rich cement mortar plastering in R.C.C. So to get 1.2 m 3 of wet cement mortar, we have to multiply the dry volume by 1.55. Please don’t use this tool until you are familiar with the above calculation. (Silt Content Test) Ensure you have all the Civil tools required for the construction. Product Calculator. This is the wet volume of mortar. 5. Points should be remembered while calculating the quantity of cement, sand for plastering work. Cement mortar calculation for 1m2 plastering Cement= (1/7) x 0.1458 = 0.0208 m 3 Density of Cement … Ans. For site mix calculations, refer to the concrete calculator. It can be used for lime mortar and ordinary portland cement mortars. The thickness of the Internal Wall Plastering … What is 1.55 constant in the calculation? 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. It is typed erroneously 0.001 bag instead of 0.01 bag. The thickness of the External Wall Plastering = 15 to 20 mm. Cement quantity in litres in 1 bag of cement = 34.7 litres. Mortar is the element that bonds bricks or other masonry units together and provides structural capacity to the wall or other structure. The most common mortar mix ratio for wall plastering is 1:6, here 1 part is cement and 6 part is sand in a workable amount of water. Step-3: Calculate Plaster volume required. 7. Your email address will not be published. Here, we will be calculating the quantities of materials i.e., cement and sand, required for plastering. Use good quality of cement & Sand for plastering. Whenever you want to get the cement quantity, you just need to multiply the plaster quantity with 0.01. m. Cement required = 1/7 X 0.01524 = 0.00217 cu. How do i calculate cement and sand quantity in 1:3 mortar? The strength of 1:6 ratio of mortar after 28 days is 3.0 N/mm2. Based on the experimental results, it is observed that the minimum w/c ratio required to make the cement mortar … So, for 100 square feet area of plastering surface with ½″ thickness and 1:4 ratio, we’ll need. In this construction video tutorial provides some step-by-step guidelines to how to calculate the cement sand quantity for plastering. How much sand and cement do I need to plaster a wall? metre area of wall and calculate accordingly. Formula: V = A x T X = V x 1.54 C = X x (M / G) S = X x (N / G) Where, Calculation of Cement and Sand required or plastering: We have to remember some general points before going to plastering calculation, they are . Cement quantity in litres in 1 bag of cement = 34.7 litres. Plaster Calculator . The thickness Plastering on Concrete Face = 6 to 8 mm. Required volume of Cement Mortar = plastering area x plastering thickness = 100 x 0.012 = 1.2 m 3. Plaster to be carried out in two layers of 10mm each. Quantity of cement, Sand or Mortar Required for Brickwork: 1:6 ratio of cement mortar is usually used for brickwork. So, Cement calculation requirement of cement = 1 * 1.33 = 1.33 cu.m, Multiplay plaster thickmess = 1.33 * 0.012 (thick Plaster) = 0.01596 Cu.m. Cement Mortar is one of the most common and cheapest binding materials used in construction industry.Cement mortar is basically a mixture of cement, sand & water.It is used in various aspects of civil engineering works such as masonry, brickwork, plastering, flooring etc.There are two types, dry mortar and wet mortar. Sand Density = 1450-1500 kg/m3. The calculations on this page is based on the following assumptions:-i) The mortar mix is 1:4 (cement:sand) ii) The thickness of plaster for wall interior is taken as 12mm and that of exterior side is 15mm iii) Wastage of 15% Moreover, some extra percentages are taken on volume for other construction works during the process. Total weight of the mixture = 50+230+56 kgs = 336 kgs. Different ratios of Cement mortar used for plastering are tabulated below: 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 its a rich mortar mix and it is used where external walls are prone to severe climatic conditions. Sum of ratio is = 7. Your email address will not be published. And if you want to calculate the required sand volume for plastering just multiply the plaster quantity with 0.043. Keep up doing a great job. As you now understand the mix ratio, you can calculate the required ingredients for any volume of mortar. 6. For 15mm thick cement plastering 1 : 6 on 100 sq.m. Adding Bulking of Sand & Wastage. Privacy Policy, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). For a better understanding, we are going to do this calculation for 100 Sq.m area. Plastering thickness should not be more than 12-15 mm. Plaster Sand Calculator. Here is the useful Plaster calculator to calculate cement and sand for plastering. Before beginning to work on the plastering calculation, note down these general things. Take the length and width of the surface and multiply both dimensions to get the area. Calculation of quantity of mortar and materials. Steps Used. quantity of cement and sand required for 1m 3 for various proportions, i.e., CM 1:2, 1:4, 1:6, 1:8 etc. Excel sheet to Calculate Cement and Sand for Plastering. The rate analysis of mortar need to be done for the calculated quantity required. as ½″ = 0.0417′, so 100′×0.0417′ is equal to 4.17. Moreover, some extra percentages are taken on volume for other construction works during the process.

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