Calculation of cement for house cladding calculator. Accurate consumption of mortar for brickwork

Varieties of solutions and their applicability

How to calculate masonry walls with a calculator?

What data will you receive when filling out the form of an online calculator for the number of bricks in a masonry?

masonry calculator

How to calculate the amount of masonry mortar?

Calculation of the amount of brick and mortar for brickwork independently

Factors that determine the need for a substance

The composition of the cement mixture

Consumption of mortar for masonry

Calculation of the amount of cement

Mortar for masonry

Consumption of mortar per cube of brick laying

Consumption of cement for bricklaying

Consumption of cement for bricklaying when facing

When planning the construction of brick walls, you should first calculate the amount of building materials and the consumption of cement for laying bricks - this allows you to save significant money. Being hygroscopic, cement powder loses its physical properties over time, so you should not buy it in bulk. Intermediate calculation of the volume of the solution
necessary for its rational use during a work shift or for a certain amount of masonry.

The link between the brick blocks is a mixture of binder with filler and water. The most common are 4 types of solutions.

Cement-sand. It is diluted with water, its proportions depend on the brand of cement, the method of laying. When solidified, this option is the most durable, but when deviating from the technology, it is prone to cracking;
Lime - in it cement is replaced by quicklime; plastic, but washed out by rains, therefore it is suitable only for mounting internal walls;
Mixed - cement and sand are diluted with liquid slaked lime (lime milk). The combination combines the best qualities of the first two options;
With a plasticizer - a polymer additive is mixed with cement and sand (fraction 2 mm) to increase the plasticity of the mixture. It is easier to make such a solution from a dry mortar by adding water according to the manufacturer's instructions.

Despite the composition, the requirements for the quality of the mixture are almost the same. All ingredients are cleaned of lumps, sand is sifted, liquid lime is filtered. To prepare the solution, the powder components are first thoroughly mixed, then cold liquid (20 ° C) is slowly poured in and mixed thoroughly so that setting does not occur. The process is accelerated using a concrete mixer or a hammer drill with a whisk attachment.

How much to prepare a mortar for masonry walls? This is determined by several conditions:

the skill of a bricklayer;
the structure of a brick block - products with voids take more mortar;
type of brick - hyper-pressed and front silicate absorbs the mortar less than ceramic or ordinary silicate with a rough surface;
wall thickness.

The average mortar consumption per 1 m3 of brick laying with a standard joint thickness (12 mm) is approximately 0.23 m3. Table 1 provides more accurate information.

Table 1

Name of works	brick type	Normative consumption (m3) with wall thickness, bricks
		0,5	1	1,5	2
Exterior and interior walls, simple decoration		0,221	0,234	0,24	0,245
	Hollow	0,223	0,236	0,242	0,247
	Modular	0,205	0,216	0,222	0,227
Medium architecture	Ceramic ordinary, silicate single solid	0,237	0,241	0,24	0,245

The composition of the mixture for erecting a brick wall varies depending on the quality of the initial components, weather conditions, and the number of storeys of the building. To properly mix the ingredients, you should know: a 10-liter bucket holds 14 kg of cement or 12 kg of sand.

In this case, the developer is interested in how much binder mixture will be consumed per square meter of wall. It depends on the water absorption of the building material, the season of work, the voidness and porosity of the blocks. The norms are laid down in SNiP 82-02-95, but the real numbers are always higher, so you should buy ready-made mortar or cement with a margin.

To save on consumables, 2 factors should be noted:
the larger the dimensions of the brick, the less the mortar will go;
the higher the percentage of voids and pores, the higher the flow rate of the mixture.

From this point of view, it is optimal to use a ceramic or silicate double brick of a sufficient strength grade. This choice will achieve a saving of 20% of the mortar mixture. Table 2 shows comparative data on the consumption of mortar per square meter of wall.

The consumption of cement per 1 m2 of masonry is calculated based on its proportional content. If the mixture is composed of 1: 3, then per square meter of a 380 mm thick solid brick wall you need: 0.095 x 490 \u003d 47 kg of cement.

The correct preparation of the mortar and the choice of the optimal dimensions of the stone allows the brickwork to withstand the consumption of cement within the standard limits.

Before building a brick house, it will be correct to calculate the amount of bricks in the masonry, and in this case, an online calculator will be a great helper, which will calculate the amount of brick and mortar for the future construction or cladding of the structure, as well as other related materials.

Thanks to the masonry calculator, you can calculate the amount of masonry mortar, flexible connections, and the result will be as accurate as possible, depending on the individual parameters entered by the user in the table.

Brick is the most popular and widespread building material, it serves for a long time and pleases with a neat appearance. To date, there are several types of bricks for the construction of buildings:

brick made of clay and other fillers, called adobe;
ceramic, the most used, from fired clay;
silicate, made from sand and lime;
with the addition of cement - hyperpressed;
clinker, from a special composition;
refractory.

Such materials are used both for laying the house and for the construction of additional finishes in the future, creating a facade, interior structures. Fireclay bricks can withstand high temperatures as well as various heating and cooling cycles without losing strength.

Bricks can be hollow, porous, the most common standard size of this product is 250 × 120 × 65 mm, with preliminary calculations of brick laying consumption, the dimensions of the brick increase by 10 mm of each parameter.

The total length of all walls of the structure along the perimeter of the structure.
The total area of the masonry of the outer side of the walls.
The wall thickness will be taken into account based on the thickness of the finished wall and the size of the mortar joint.
The total number of bricks and the total weight of the material.
The amount of mortar for the entire masonry will depend on the ratio of the components and the additives introduced.
And the length of flexible connections will be determined by the total thickness of the wall, taking into account the amount of insulation base.
The amount of masonry mesh will improve the overall strength of the structure.
The approximate weight of the finished walls will be calculated without taking into account the weight of insulation materials and cladding.

To make the calculation of a brick for masonry with a calculator - online, you need to enter the required parameters in the prepared table and click on the "calculate" button. Within a few seconds, the program will give the most accurate result. The percentage of error can range from 3 to 7%.

To make a mortar for masonry, you need to mix sand and cement to create a plastic mixture, usually this ratio of materials is equal to a third of the sand and one cement.

But the final consumption will be determined by the special requirements according to the laying material and the brand of raw materials used. Often, additional additives (clinker, marble, crushed stone, synthetic substances) are added to the finished mixture in order to increase the setting speed of the masonry and increase the strength of the material.

The calculation of the amount of mortar for brickwork can be done using an online calculator, which in a matter of seconds determines the amount of mortar per brickwork as accurately as possible.

Types of brick joints

The consumption of the solution depends on the type of the selected type of seams.

Such a program will allow you to make calculations regarding the total volume of the cement mixture. The reliability of the data obtained will be determined by the accuracy of specifying the dimensions of the wall and seams.

In the presence of concrete wall belts, a calculation is provided from the height of general measurements. The construction calculator for the consumption of mortar per 1 m 2 of brickwork makes it possible to quickly and conveniently calculate the desired parameters.

Types and sizes of bricks for masonry

Such data will allow you to navigate the cost of masonry, as well as calculate the required amount for the construction of the building. Depending on the additional additives, the rigidity, strength, mobility and setting of concrete will depend

The mortar consumption calculator for brickwork will help you avoid unnecessary material costs if you correctly calculate the consumption of other works, for example, pouring a foundation, screeding walls, etc.

There are other, more troublesome options for calculating the amount of brick in 1 m 2 of masonry and the required mortar. How to calculate the material per 1 m 3?

To build one cubic meter of wall, you need to take about 400 pieces. bricks with a margin of 10 pcs., Norm consumption - 0.23 m 3 per 1 cubic meter, if you use a hollow brick, then the mortar consumption will increase several times to fill all voids and depressions.

Without an online brickwork calculator, you need to manually produce a lot of calculated data, you need to know the geometric dimensions of the intended brickwork, taking into account the type of brick and its thickness.

It is best to entrust such work to specialists, so as not to follow false data and not lose material investments. If the construction of walls 5 m long and 3 m high is required, then the area of \u200b\u200bsuch a wall will be 15 m 2, 51 pieces of bricks will be required for such masonry.

There are many tables and prepared materials where you can get acquainted with data on the size of the brick, the type of work and the amount of mortar used. Based on these figures, you can get the desired result.

And when using the masonry calculator, the calculation work is performed much faster and most accurately, with a maximum number of deviations of up to 7%. Build and count quickly, correctly and enjoy the result!

Masonry mortar calculation table for walls of different thicknesses (per 1 m3)

Comments:

In order to avoid the problem of lack of material, it is necessary to know the consumption of cement for bricklaying. Indeed, to fix the elements of structures, a composition based on a cement binder is used. Such a tool must be prepared on site before starting work.

Brickwork is made on a cement mortar, which must be carefully calculated before starting work.

Carrying out the calculation specifically for cement is also important because it cannot be purchased with a margin, since excess material will quickly lose its properties under the influence of moisture and air. If it is possible to correctly determine the consumption of cement for laying bricks, then this will optimize construction costs (taking into account that the cost of building materials has a significant impact on the final calculation).

Cement mortar for bricklaying must be calculated in advance, because the remains quickly lose their properties under the influence of moisture.

The consumption of cement for laying bricks depends on two main parameters: the structure of the mixture and its needs during construction. The masonry substance may have a different cement content depending on the purpose of the structure (bearing, internal system, etc.) and the requirements for resistance to influencing factors. In this regard, two main types are distinguished: cement-sand and cement-lime-sand mixture, which have different proportions of ingredients.

The weight of the mortar during masonry depends on the design of the structure and the type of the brick element itself. A direct dependence of the need is observed on the thickness of the wall, which is usually expressed in the number of bricks laid in a row. The most common thickness is 0.5, 1, 1.5 and 2 bricks.

The volume of mortar for fastening the elements depends on the material from which the brick is made and its type (monolithic or hollow). The size of the joint and, as a result, the consumption of the agent are determined by the composition of the brick block (regular, red or silicate) and its dimensions (standard, modulated).

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When erecting a brick structure, mortars of the brand from M50 to M150 are used, depending on the requirements for the strength of the system. Most often, in private construction, a simple two-component composition is used - cement with sand, and the M75 brand is sufficient. In this case, the proportions of cement and sand are 1:3 (when using Portland cement M300). For other brands, the following ratio is accepted:

М50 - 1:5;
M100 - 1: 2;
M150 - 1: 1.5.

Compositions M100 and higher with a high content of binder are needed for high-strength systems (structures).

The consumption of the cement component can be reduced by introducing more durable Portland cement grades M400 and higher. So, when using the M400 brand, you can take a ratio of 1: 4.

The question of how to calculate the amount of Portland cement in a mixture at its different concentrations is solved very simply. For example, when the ratio of ingredients is 1:3, the volume of the cement component is ¼ of the total volume of the solution, i.e. 0.25 m³ per 1 m³ of the mixture. With an average material density of 1600 kg / m³, the need for cement per 1 m³ of mortar reaches 400 kg (8 standard bags of 50 kg each). Accordingly, for Portland cement M400, the volume will be 1/5 part, or 320 kg / m³.

To accurately calculate the weight of cement, it is necessary to take into account the width of the joints, the degree of alignment of each layer and other important nuances.

Experienced builders prefer to use a more plastic composition of cement, lime and sand in a ratio of 1:1:3 (grade M75 with Portland cement M300) or 1:1:4 (with Portland cement M400). For internal partitions, a composition corresponding to the M50 brand is used, with a proportion of 1: 0.5: 4.5 (Portland cement M400).

The assessment of the required weight of cement is carried out similarly to the previous case. At a ratio of 1:1:3, cement M300 is 1/5 of the volume of the mixture, or 320 kg / m³. Portland cement M400 is added in the amount of 1/6 of the total volume, which is about 0.17 m³, i.e. 272 kg. When erecting brick partitions on low-responsibility light structures (for example, outbuildings), cement savings are achieved by reducing its concentration to a ratio of 1:5 or 1:6.

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If you calculate the exact weight of cement per brickwork in each specific case, then you must take into account the actual width of the joints, the dispersion of the geometry of the element, the degree of alignment of each layer of laying and other process parameters. Such a calculation is very complicated, and the adjusted volume will differ by only a few kilograms from the standard estimated calculation, which is not significant. In this regard, it is customary to use generalized data on the cost of mortar for the construction of a wall section in a unit volume. These data are based on many years of construction practice.

In practice, it is customary to take into account the dependence of the mortar consumption on the wall thickness and the size of the brick itself. The following are reference values for the consumption of cement-sand or cement-lime-sand composition per 1 m³ of brickwork for a regular and thickened (modulated) element with different wall thicknesses.

Name of works	materials	Unit	Consumption rate for wall thickness, bricks / cm
Name of works	materials	Unit	1/25	1,5/38	2/51	2,5/64
Per 1 m³
Laying walls of ordinary brick or silicate single solid	Brick	PC	400	395	394	392
	Solution	m³	0,221	0,234	0,24	0,245

Masonry walls from ordinary or silicate single hollow	Brick	PC	400	395	394	392
	Solution	m³	0,223	0,236	0,242	0,247

Laying walls from ordinary or silicate modular	Brick	PC	300	296	294	292
	Solution	m³	0,205	0,216	0,222	0,227

Masonry of external walls from ordinary clay or silicate single solid with an average design	Brick	PC		402	400	398
	Solution	m³		0,237	0,241	0,245

The same, from ordinary clay or silicate single hollow brick with an average design	Brick	PC		402	400	398
	Solution	m³		0,239	0,243	0,247

In the manufacture of a brick structure, an expanded seam is sometimes used. The following are data on the need for a mixture for such styling.


Name of works	materials	Unit	Consumption rate when using bricks
Name of works	materials	Unit	single corpulent	single hollow	modular
per 1 m³ masonry
55 cm brick exterior walls with simple architectural design	Brick	PC	369	369	278
	Solution	m³	0,28	0,293	0,273

Exterior wall masonry 55 cm thick with medium architectural design	Brick	PC	373	373	281
	Solution	m³	0,274	0,277	0,263

Accordingly, we select the brand of cement, for the bearing wall the brand is higher than for partitions. The second is the thickness of the wall, measured in brick halves (0.5-2). The third is the type of brick itself: porous, with voids or solid, silicate. All these factors affect the amount of solution mixture.

An experienced bricklayer will take into account not only this. Cement in the process of storage loses its properties and how much it has lain depends on how much it needs to be spent. The longer it lies, the more it needs. Well, one more aspect that should be noted is the GOST standards for bricklaying.

It is impossible to reduce and save where strength and quality factor are needed. In a simple way - you can not save on the solution and reduce the seam to the limit. So that it doesn’t work out like in a joke, when the old house was blown up, a new one collapsed, around the corner.

The proportion here is standard and well-known - 4:1. This is if we mix sand, water and cement. If lime, gypsum or clay is added to the solution, then the ratio changes - from 3:1 to 6:1.

Let's take for example the calculation of a load-bearing wall in 2 bricks with an ordinary mortar (4: 1).

For 1 m3 of bricks (400 pieces), the empirical norm is 0.25-0.3 m3 of mortar.

Getting Started:

We determine the area of the wall, for example 2X5 \u003d 10 m2.
We determine the volume of the required masonry, that is, we recall that we have a wall of 2 bricks and therefore 0.51X10m2 = 5.1m3, based on the size of 2 bricks.
Having calculated the volume of the brick, we quickly determine the volume of the solution - 5.1x0.25 \u003d 1.275 m3.
We calculate the proportion of cement 1.275: 4 = 0.31.
And finally, we determine the weight of the desired cement 0.31X1300 \u003d 414 kg (we assume that m3 of cement weighs 1300 kg).

It is not difficult to determine how many bags of the desired cement you need to buy if the bag weighs 50 kg.

This is approximately 8 bags. Of course, this calculation is approximate and cannot be taken as a rule, but he suggested the direction of the calculation and, I think, even if you are not ready for laying yet, you can certainly calculate the amount of cement for laying. Also, you can use

When building from bricks, a reasonable question always arises about the amount of mortar needed for masonry.

Brick is one of the most popular building materials. For its installation, a solution is always needed. To know exactly how much cement and sand will be required to build a house, preliminary calculations are needed. We will help you to carry them out, because this is an important moment in planning the construction.

Type of brick

Wall thickness in bricks

(250×120×65mm)

Brick, pcs.

(250×120×65mm)

Solution, m 3

Modulated

(250×120×88mm)

Brick, pcs.

Modulated

(250×120×88mm)

Solution, m 3

A mortar for joining masonry is needed in any case. The most popular compositions are:

Cement-sand mortar. This is a classic, cement is mixed with pre-sifted sand, usually in a ratio of 1:3 or 1:4, although there are other options depending on the brand of cement. The mixture is diluted with water;
Lime. Quicklime is used instead of cement. This composition for external masonry is never used, only indoors, as it is easily washed out with water;
Mixed. A liquid of slaked lime is added to cement and sand, which is commonly called lime milk. The result is a composition that takes the best qualities of the first two options;
With the addition of a plasticizer. It will increase the plasticity of the mixture. Often such building compounds are sold ready-made, in dry form and simply diluted with water, according to the instructions. Sometimes bricklayers add detergent or washing powder as a plasticizer.

Despite the fact that the composition of the mortar for masonry may be different, the requirements for its consistency are the same. Sand must be sifted, liquid lime is filtered, there should be no lumps, water is added gradually. The mixing process will significantly speed up the use of the concrete mixer.

The following factors influence the amount of solution consumption:

wall thickness;
brick quality;
Type of brick - a hollow solution will take more for obvious reasons;
Mason skill;
Weather conditions, in particular humidity and temperature.

How difficult, you say. However, experts have long since derived average, but fairly accurate indicators of mortar consumption per 1 m3 of brickwork. The standard brick dimensions are well known - 250×120×65 mm. The expense will be:

There are approximately 404–405 bricks in 1 m3 of masonry. That is, one ordinary, single brick accounts for about 0.00063 m3 of mortar. We translate into liters - 0.63. When laying in one brick, there are approximately 100 blocks per square meter of wall. Experts insist that the mortar should be prepared with a small margin and indicate the ideal proportion - 75 liters of the mixture should be used per square meter of the wall. For a wall of one and a half bricks, the consumption will already be 115 liters.

Important! There is SNiP II-22-81, which puts forward requirements for the quality of brickwork. The optimal thickness of the seam, that is, the thickness of the mortar used, should be 10-12 mm.

All this is wonderful, thanks to specialists with solid experience in brick construction, you can say. But cement is sold in bags of 50 kg, so you need to make additional calculations.

As you remember from the school curriculum, 1 m3 = 1000 liters. The volume of a 50 kg bag of cement will depend on the density of the material. Let's take a standard indicator of 1300 kg/m3. 1300/1000 = 1.3 kg weighs a liter of cement.

Let's say you are making a classic mix of M400 or M500 cement with sand in a 1:3 ratio. In this case, you will need 333 liters of cement per cubic meter of sand, multiply by 1.3 = 432.9 kg, almost 9 bags.

As we remember from the table, 0.24 m3 of mortar is needed for laying a wall of one and a half silicate bricks. 432.9 * 0.24 \u003d 103.9 kg of cement or a little more than two standard bags per 1 m3 of masonry.

Now let's calculate how many bags of cement we need to build a one-story house with a height of 3.5 m, a size of 10x15 m and a wall thickness of two single bricks, that is, 51 cm. Let's remember the math. Volume \u003d (10 + 10 + 15 + 15) * 3.5 * 0.51 \u003d 89.25 m3. Again, we take a single silicate brick, which, according to our table, takes 0.24 m3 with a wall thickness of 51 cm. 89.25 * 0.24 \u003d 21.42 m3 or 21420 liters.

The calculations are not too complicated if you use the normative consumption indicators and remember the mathematics. Experts advise taking materials with a margin of at least 5%, because during the construction process unforeseen difficulties may arise and consumption will increase.published

If you have any questions on this topic, ask them to specialists and readers of our project.