How much solution is needed for 1 m3 of brickwork?

One of the most important questions you’ll have when starting a bricklaying project is figuring out how much mortar you’ll need. Precise measurements are essential to guarantee a strong and long-lasting structure with minimal waste or expense.

Bricks are held together by mortar, and the amount of mortar you use directly influences the stability and strength of your wall. It is necessary to comprehend a few fundamental masonry concepts and accepted practices in order to calculate the appropriate mortar quantity for 1 cubic meter of brickwork.

The size of the bricks, the thickness of the mortar joints, and the pattern you intend to use when bricklaying all affect how much mortar is needed. You can make more accurate estimates and ensure that you are ready for the project by taking these factors into account.

We’ll walk you through the process of estimating the amount of mortar required for one square meter of brickwork in this article. To help you get the best results for your masonry work, we’ll go over the common formulas and offer helpful hints.

Material Quantity per 1 m³ of Brickwork
Cement 300-400 kg
Sand 1,000-1,200 kg
Water 150-200 liters
Bricks 400-500 pieces

What solutions are used for brickwork

The solution can be prepared in different ratios for bricklaying by adding different mixture components and additives. Selecting the type of masonry mortar is crucial before beginning any work.

Modern construction mostly uses the following mixtures:

  • regular "cold mortar". The composition includes cement, sand and water. The simplest, classic method of preparing a strong mixture is used everywhere today. After the cement mortar hardens, the wall acquires sufficient strength and load-bearing capacity. This solution can be prepared in various proportions, it all depends on the desired grade of the final solution and the grade of dry cement. Mostly, M400-500 cement is used and it is prepared 1 to 4;
  • cement mortar with lime. Portland cement and lime are used simultaneously. Thanks to the combination of the composition, it is possible to significantly save on cement, and the structure turns out to be durable and with a sufficient level of moisture resistance. If necessary, additional dry components are added to the composition to increase frost resistance, water resistance and viscosity;
  • lime mixture. Quicklime is added to the mixture as a hardener instead of cement. The advantage of the solution is the high plasticity of the composition over a long period of time. The main disadvantage that prevents the active use of the mixture is that the material absorbs moisture, which makes it impossible to use a number of insulation materials and leads to the risk of wall destruction in the long term.

Crucial! It is crucial to understand the technology used to prepare the mixture before creating the solution because any deviations from this technology will render the structure brittle, prone to cracking, and potentially destructive.

The main factors affecting the consumption of mortar when laying bricks

You can quickly determine how much mortar is needed for 1 m2 of masonry with the help of a handy tool called a cement mortar calculator, but it’s not always accurate in accounting for all the factors that influence consumption. Numerous variables can alter the quantity of solution used in every cubic meter of brickwork.

What establishes the amount of mortar needed to create 1 m3 of masonry?

  • thickness of the structure. Here it is important to consider the role, load-bearing capacity of the wall and location. In partitions, a thickness of 1 brick is usually used, as well as in buildings under a low load. For the construction of a garage, outbuildings and other structures that must withstand the roof and have sufficient strength, a wall of 1.5 bricks is the ideal choice. The highest consumption of masonry mortar occurs when building thick walls;
  • thickness of the seams between rows. The main rule: the thicker the seam, the higher the consumption;
  • type of brick. The consumption of mortar per 1 m2 of brickwork without voids will be significantly less than when using hollow blocks. Additionally, the size of the brick plays a role: there are one and a half, double and single options. The highest consumption occurs when using a single brick, and the lowest – double. If you plan to use pieces of brick, the consumption will be the highest;
  • type of binder. To reduce the consumption of cement per cubic meter of mortar, clay or lime is added to the composition;
  • availability of professional skills. Masonry is not a difficult job from a technical point of view, but in the absence of proper experience, there is a strong overconsumption of mortar. Part of the mixture is lost, falling into the ground and becoming unsuitable for use, and inexperienced builders often make too thick seams.

Mortar consumption per cubic meter of brickwork

The law specifies the amount of mortar that must be used per m3 of masonry in accordance with GOST. Let’s look at the state-recommended mortar volume values per 1 m3 of masonry for building various brick wall thicknesses:

  • half consumption will be 0.189 m3;
  • 1 – 0.221 m3;
  • 1.5 – 0.234 m3;
  • 2 – 0.24 m3;
  • 2.5– 0.245 m3.

A single solid brick requires 0.0006305 m3 of mortar, per the standards. If you expand on the concept a bit, 1 m2 of wall masonry in 1 brick will require 75 liters of the mixture. Block laying is done in compliance with additional standards.

When hollow bricks are used, the consumption rises by 10% to 20% over the given values. It is sufficient to compute the area and multiply by the material costs to determine the necessary volume. Calculating the material consumption per m3 of mortar yields the amount of resources used.

Cement consumption for bricklaying

The grade of the dry mix originally used and the grade of the final mortar directly affect the amount of cement used per square meter of brickwork. In any event, we advise saving money on cement purchases because unanticipated mortar expenses frequently crop up during construction. It is important to take into account the significant error in the final amount if rounding down was done during measurements or computations.

Although it is determined elementarily, the amount of cement used per cubic meter of brickwork is contingent upon the percentage of mortar preparation:

  • if the mixture is 1 to 3, to understand the amount of cement costs, it is enough to divide 1 m3 by 4 (this is the part of the dry mixture). It turns out 0.25 m3 of cement per cube;
  • For the preparation of the mixture 1 to 4, the share of cement will be 0.2 m3;
  • If a third of the lime is used as a binder, that is, the mixture is obtained 1 part of the cement, 0.3 parts of lime and 3 parts of the sand, divide 1 by 4.3 and it turns out 0.232 m3.

Similar calculations are made with other mixture preparation ratios to determine how much cement is needed for each cubic cubic cubic cubic cubic cube. Cement is not calculated in cubic meters; instead, we must convert volume into weight, which necessitates understanding the standard for specific gravity (density). The type of cement and the degree of seal (fresh, hardened, or lying cement) have a significant impact; an average of 1300 kg/m3 is used.

Using the value that was acquired, we compute:

  • The amount of materials in the mixture 1 to 3: 0.25 m3 * 1300 kg/m3 = 325 kg, so much cement is required to prepare 1 m3 of solution. To calculate how much cement is needed for 1 cubic meter of masonry, multiply the number by the standard for the consumption of mortar for masonry. For example, we use the consumption for a single wall: 325 * 0.221 = 71.825 kg, round up to 72 kg and add an error of 75 kg. This is how much cement is needed for 1 cubic meter of masonry when using a proportion of 1 to 3;
  • to prepare a 1 to 4 solution, you will need less cement. We calculate using the same algorithm: 0.2 * 1300 = 260 kg, now 260 * 0.221 = 57.46, rounded up – 58, we add the error – 60 kg of dry cement.

The idea of a square meter of masonry is typically used for calculation ease. We can use a straightforward formula to determine how much mortar is used per square meter.

We won’t use the brick count calculation; instead, it would be better to research legal requirements and figure out how much resources cost per square meter:

  • in half a brick – 51 pcs * 0.0006305 = 0.0321 m3 of mixture per 1 m2 of masonry. We determine the amount of cement 0.0321 / 4 = 0.008025 m3 and multiply by 1300 = 10.43 kg of cement per 1 m2 of a 0.5 brick stele;
  • in brick – 102 pcs * 0.0006305 = 0.0643 m3, then 0.0643 / 4 = 0.0161 m3, now we multiply by 1300 kg / m3 and get 20.9 kg of cement per 1 m2;
  • in 1.5 bricks – 153 pcs * 0.0006305 = 0.0965 m3 / 4 = 0.0241 m3 * 1300 kg / m3 = 31.35 kg / m2;
  • in 2 bricks – 204 pcs * 0.0006305 = 0.1286 m3 / 4 = 0.03215 m3 * 1300 kg/m3 = 41.8 kg/m2.

The computations for the solution prepared in a ratio of one to three are listed.

For construction to be both efficient and economical, the amount of mortar required for 1 cubic meter of brickwork must be determined. For every cubic meter of brickwork, you will typically need 0.25 cubic meters of mortar. This estimate guarantees the bricks’ correct bond, resulting in durability and structural integrity. Builders can reduce waste and ensure a smoother construction process by accurately planning their materials by knowing this ratio.

Consumption rates for building mixture when laying different types of bricks

Although bricks with different designs and materials are frequently used in construction, the mortar consumption rate per square meter of masonry is calculated for a solid single brick.

It requires for hollow bricks:

  • 0.5 bricks – 0.223 m3;
  • 1 brick – 0.235 m3;
  • 1.5 bricks – 0.242 m3;
  • 2 bricks – 0.247 m3.

The amount of mixture used is less for one and a half bricks, which are 88 mm high rather than 65 mm. Wall consumption:

  • half, the consumption will be 0.160 m3;
  • single – 0.2 m3;
  • one and a half – 0.216 m3;
  • double – 0.222 m3;
  • two and a half bricks thick – 0.227 m3.

You must ascertain the cost of the mixture per brick in order to calculate the amount of mortar needed for every square meter of masonry. Then, you can use the straightforward algorithm that was outlined at the conclusion of the previous chapter.

Efficient and high-quality construction depend on knowing how much mortar to use for every cubic meter of brickwork. You can make sure that the brickwork is sturdy, long-lasting, and aesthetically pleasing by precisely calculating the quantities.

The kind and size of the bricks, the thickness of the mortar joints, and the particular mix ratios utilized can all affect how much mortar is required. You’ll usually need 0.3 cubic meters of mortar for every cubic meter of brickwork when using standard brick sizes and mortar joints. This number aids in precise project planning and budgeting.

The right quantity of mortar reduces waste and construction disruptions, which is economical and beneficial to the environment. A more efficient workflow and superior final outcomes for your masonry projects are also guaranteed by careful planning.

To sum up, knowing how much mortar you’ll need for your brickwork will help you achieve a sturdy, polished finish. The durability and aesthetic appeal of your construction can be improved by precisely measuring and combining your materials. For the best results, always take the time to estimate your needs and make the necessary preparations.

Video on the topic

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Bricklaying and consumption of ready-made mixture.

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Andrey Ivanov

Experienced civil engineer with more than 20 years of experience. Specializing in the construction of industrial and civil facilities. Author of many publications in professional journals.

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