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Construction calculator for bricks. Calculation of the number of bricks per house


Initial data

Step 1: The calculator is designed for calculating building and facing bricks of any type. To begin, select brick sizes from the drop-down list. If the required sizes are not in the list, set your sizes by selecting the appropriate item. Be careful here: set the length, width and height of the brick in relation to how the brick will lie in the masonry. Next, enter such building parameters as the height of the wall and the total length of the wall along the outer perimeter of the building.

Step 2: Then indicate the method of laying the brick. The thickness of future walls directly depends on these data. This can be a structure of half a brick (the thickness of the wall will be equal to the width of the brick), one brick (the thickness of the wall will be equal to the length of the brick), 1.5 bricks (wall thickness = length + width of the brick) and 2 bricks (wall thickness = 2 brick lengths). Choose the installation method depending on the designed number of storeys of the building, the type of floors and other features of the structure.

Step 3: To make the calculation more accurate, it is necessary to take into account the thickness masonry joint consisting of a solution. Sometimes the thickness of horizontal and vertical seams is different.

Step 4: To count masonry mesh you need to decide how many rows you will lay it. You don’t have to enter data about it by leaving the “Ignore” option in the column. Or count it, indicating that it lies through the Nth number of rows.

Step 5: Brick weight is an optional parameter. But if you want to calculate the approximate weight finished walls and the load from the walls on the foundation, then it is still advisable to indicate it. Price is also an optional parameter. Indicate it if you want to calculate the total cost of the brick.

Step 6: To take into account the gables of the building, as well as windows, doors and additional openings in the calculations, check the appropriate boxes and set the necessary parameters in the list that appears.

Step 7: After filling in all fields, click the "Calculate" button. You can print the results obtained or send them by email.

For convenience, it is better to count the various elements of the building separately. For example, external walls and interior partitions may differ both in height and in the method of laying bricks. In this case, perform two independent calculations.

Explanation of calculation results

Building perimeter The sum of the lengths of all walls taken into account in the calculations
Total masonry area Square outside walls Equals the area of ​​the required insulation, if it is included in the project
Wall thickness The thickness of the folded wall, taking into account the mortar joint(s). Minor deviations from the final result are allowed depending on the masonry method
Number of bricks The total number of all blocks required to build walls according to the specified parameters
Total weight and volume of bricks Net weight and volume of bricks (excluding mortar and masonry mesh). This information may be useful for choosing a delivery method.
Quantity of mortar for the entire masonry Volume mortar, which will be required to lay all the bricks. Deviations in the indicator are allowed. Depends on the ratio of components and added additives
Number of rows in masonry including seams It is determined by the height of the walls, the size of the materials used and the thickness of the masonry mortar. Gables are not taken into account
Optimal wall height The recommended height of a brick wall, which, as a rule, should be a multiple of the height of the brick itself along with the seam. You may agree with this recommendation - then recalculate by entering a new value for the height of the walls in the calculator
Quantity of masonry mesh Required quantity of masonry mesh in meters. Used to reinforce masonry, increasing solidity and overall strength of the structure
Approximate weight of finished walls Weight of finished walls, taking into account all bricks and mortar, but excluding the weight of insulation and cladding
Load without taking into account the weight of the roof and ceilings. This value is needed to select the strength characteristics of the foundation

When calculating the amount of bricks, it is important to take into account that approximately 5% of the material will need to be written off as damage or possible defects associated with transportation. Therefore, we recommend that you immediately include this in the estimate and buy with a reserve, since different batches may differ slightly, but still differ in terms of appearance and other parameters.

Fence calculator

Calculating the fence will require deciding on its width and height. The following standards must be taken into account: when laying 1 brick, 52 pieces of brick are required per 1 square meter; when laying double bricks, 104 pieces are required.

  1. Pillar. The size of a standard brick is 250*120*65. For laying 1 row supporting structure 380*380 mm we need 4 bricks. Dividing the height of the pillar by the height of the brick, we get a piece quantity required material.
  2. Flights. Their calculation depends on the type of masonry used. Most often, single brick masonry is used. We multiply the area of ​​one section by 52 and get the required amount of bricks.

How many bricks per square meter when building a house?

Before calculating the amount of brick that will be needed to build the wall of a house, you need to decide on the thickness of the future walls. Using the example of standard BARRUM brick, size 250*120*65 mm. You can lay it in one brick, then the thickness of the wall will be 250 mm, two bricks - 510 mm, half a brick - 120 mm, one and a half bricks - 380 mm and, accordingly, the width of the wall laid out in two and a half bricks will be equal to 640 mm.

Find the area of ​​all windows and doorways and subtract them from the total area and get the area of ​​the brick wall.

Considering standard height a seam equal to 10 mm, to lay a wall with an area of ​​1 square meter in two bricks, you will need 204 bricks, in two and a half - 255 bricks.

Knowing the consumption of bricks per 1 square meter, you can calculate how much material will be required for construction. To do this, multiply the norm by the area of ​​the brick wall.

2015-09-13T18:56:21+00:00

Calculation of the amount of facing bricks per wall laying

Algorithm for calculating the amount of facing bricks for building a house

1. Let's calculate the perimeter P (m) of the building; to do this, we add two lengths and two widths of the building.

2. Let's calculate total area Stotal (m2) of external walls, for this we multiply the calculated perimeter by the height of the building H (m).

3. Calculate the area of ​​window and door openings Sopen (m2).

4. We calculate the area of ​​the walls for facing with brick S (m2), for this, from the obtained result of the total area of ​​the external walls Stotal (m2) we subtract the area of ​​the window and door openings Sopening (m2)

S = Stotal (m2) - Sopening (m2).

5. Calculation of the consumption of facing bricks per square meter of masonry:

a) for masonry of half a brick, take its length and multiply by the height of the brick and get it

areaSbrick (m2), for standard brick 250?120?65 mm, where:

250 – brick length, mm (0.25 m),

120 – brick width, mm (0.12 m),

65 – brick height, mm (0.065 m),

Skirp=250?65=16250 mm2 (0.01625 m2);

b) in order to determine the number of bricks in one square meter, you need to divide the unit by the area of ​​one brick 1: 0.0162 = 61.538 (pieces),

We round up and find that 61 bricks are required per square meter, excluding the seam.

c) but masonry facing bricks is made using mortar, and then it is also necessary to take into account the thickness of the seams; for this we will add one side and one spoon seam to the size of the brick.

1-vertical seam, 2-horizontal seam.

As an example, let's take a seam equal to 10mm.

We get:

brick length 250+10=260 mm (0.26 m),

brick height 65+10=75 mm (0.075 m),

brick area including seams Skirp. seam = 0.26?0.075= 0.0195 (m2),

therefore, per square meter required 1: 0.0195 = 51.28 (pieces),

We round up and find that 51 pieces of brick are required per square meter, taking into account the seam.

6. The total quantity of facing bricks is calculated: S? quantity per 1 m2.

This calculation is the theoretical amount of bricks, but do not forget to take into account 5% of the battle!!!

Using the same analogy, you can calculate the required amount of brick per square meter when laying one brick, one and a half, two, etc.

Calculation of the required amount of bricks for building a house using an example

Suppose we need to calculate how much brick we need for cladding two-story house measuring 10.5 x 9.7 m, height 6 m, windows measuring 1.5 x 2 m, 10 pcs. and the doorway is 1.3?2 m. We will make the cladding in half a brick and choose a 9 mm seam.

When solving a problem, it is necessary to determine how many units of facing bricks will be required for finishing the exterior surfaces of the house.

1. Calculate the perimeter of the building: P = 10.5 + 9.7 + 10.5 + 9.7 = 40.4 m.

2. Calculate the total area of ​​the external walls: Stotal =40.4?6= 242.4 m2.

3. Calculate the area of ​​windows and doors: Sopening= Swindow+Sdoor,

area of ​​one window Sowind= 1.5?2= 3 m2,

then the area of ​​all ten windows will be Swindow = 3 m2? 10 = 30 m2,

door area Sdoor = 1.3?2 = 2.6 m2,

Sopening= Swindow+Sdoor= Sopening= 30+2.6 = 32.6 m2

4. Calculate the area of ​​the walls for brick cladding:

S = Stotal - Sopening (m2) = 242.4 - 32.6 = 209.8 (m2).

5. Let’s calculate the required amount of brick per square meter, taking into account the seam:

Skirp. seam =(250mm+9mm)?(65mm+9mm)=0.259?0.074= 0.019166 (m2).

Number of bricks per 1m2 = 1: 0.019166 = 52.175 pcs per 1m2. We accept 52 pieces per 1m2.

6. Calculate the total number of bricks: S? Number of bricks per 1m2.

Total quantity of facing bricks = 209.8 m2? 52 pcs per 1 m2 = 10909.6 pcs.

Taking into account the battle we get = 10909.6 units +5% = 11455 units.

Building brick is one of the most popular building materials in our country for the construction of residential buildings and other buildings. for various purposes. Before starting any construction brick building you need to purchase the required amount of bricks, for which you need to make a preliminary calculation. Correctly carried out calculations will allow you to avoid unnecessary costs for the purchase of excess building materials and avoid problems with their shortage during construction.

Before you start making calculations, you need to determine:

  • type of brick used;
  • method of laying bricks, depending on required thickness house walls;
  • the total area of ​​the walls of the house (external and internal);
  • the total area of ​​all window and door openings in all walls of the house.

At the beginning of work, it is necessary to calculate the load on the foundation.

Main types of bricks and laying methods

Standard bricks produced today by various manufacturers have same sizes in length and width (25x12cm) and differs in thickness by:

  • Single (0.65cm).
  • One and a half (0.88 cm).
  • Double (1.38cm).

The most aesthetically pleasing walls are those made of single brick. However, the use of one-and-a-half or double-thick bricks can greatly speed up and simplify the construction process. At the same time, the consumption of masonry mortar used is also significantly saved.

The thickness of the walls of the house depends on the methods of laying bricks. They may be:

  • half a brick (wall thickness 12cm);
  • 1 brick (wall thickness 25cm);
  • 1.5 bricks (wall thickness 38cm);
  • 2 bricks (wall thickness 51cm);
  • 2.5 bricks (wall thickness 64cm);

In the Russian climate, the most optimal wall thickness is 2 or 2.5 bricks.

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Calculation of the required amount of bricks

Calculation of the amount of brick can be carried out in two main ways:

  • Does not take into account the thickness of the mortar joint.
  • Taking into account the thickness of the seam, which is usually from 5 to 10mm.

It should be borne in mind that when using the first method, there may be an excess of building materials by 25-30%. The second method is more economical, but it is necessary to add 10-15% to the calculated value to take into account possible brick breakage during construction.

For clarity, let’s carry out the calculation using a specific example: It is necessary to build a one-story brick house 8 by 10m, walls 3m high and without internal brick walls. There is one opening in the external walls for front door 1 by 2m and three openings for windows 1.2 by 1.5m. The thickness of the walls is two bricks from a standard single brick with a joint thickness of 5mm.

The calculation procedure for the first method will be as follows:

  1. We determine the perimeter of the external walls: (8+10)*2=36m.
  2. We determine the total area of ​​the walls of the house: 36*3=108 sq.m.
  3. Determine the total area of ​​the door and window openings: (1*2)+(1.2*1.5)*3=7.4 sq.m.
  4. Calculating the area brickwork walls: 108-7.4=100.6 sq.m.
  5. We determine the amount of brick in one square meter, for which we calculate the end area of ​​one brick: 0.12*0.065=0.0078 and divide this value by one: 1/0.0078=128, after which we multiply by two (since the masonry will be 2 bricks). We get 128*2=256 bricks per 1 sq.m.
  6. We are counting required quantity bricks for building a house, multiplying the total area of ​​the walls excluding openings by the number of bricks in 1 sq.m: 100.6*56=25753.6.

Thus, 25,754 bricks will be needed to build the walls of the house.

Carrying out the calculation using the second method, to determine the amount of brick in 1 sq.m, we add 5 mm to the standard brick dimensions (joint thickness): (0.12+0.005)*(0.065+0.005)=0.00875. Accordingly, the amount of brick in 1 sq.m will be: 1/0.00875*2=229 bricks. Multiplying this number by the total area of ​​the masonry we get: 229*100.6=23037.4. Let's add to this value about 1500-2000 bricks per battle and we get the amount of bricks needed to build a house: approximately 24,500-25,000 bricks.

From the above example it can be seen that the second calculation method is more economical.

The calculation for other wall thicknesses is carried out similarly, taking into account the appropriate corrections. If you need calculate the number of foam blocks per house - see this article.

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Using online calculators for calculations

If you don’t want to do mathematical calculations, then to quickly calculate the required amount of bricks to build a house, you can use a free online calculator.

By entering the parameters of your future home into the appropriate fields, you can instantly get the desired result. In addition to calculating the required amount of bricks, many online calculators allow you to simultaneously calculate other useful parameters, for example, the required amount of mortar for laying walls.

chas-remonta.com

The construction of various structures using brickwork requires determining the exact amount of material to complete the work.

To carry out such calculations, special online calculators are used, widely available on the Internet, on sites engaged in the trade of building materials. When executing construction work it is necessary to strictly follow the norms and rules to ensure the further safe and long-term operation of the objects being built, therefore the parameters of the brickwork are calculated based on the purpose of the structure and environmental conditions.

In addition, bricks from various manufacturers may vary slightly in size and in their properties, which makes it difficult to quickly select the required amount of materials for construction.

The calculator for calculating bricks allows you not only to make calculations for the construction of ordinary walls, but also to make adjustments to the estimate, according to the type of masonry (from 0.5 to 2.5 bricks with dressing), the size of the object being built, the brick manufacturer and the type of mortar used. The calculations take into account the implementation of various openings for installing windows and doors with full consideration of their future length and width.


The calculator interface is very clear and does not require additional calculations. It is enough to enter the basic geometric parameters future construction to start calculations automatically. As a result, the consumer receives accurate data on the required number of bricks in pieces, the volume of brickwork in cubic meters, as well as the consumption of mortar during operation.

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General information on the calculation results

  • Building perimeter

    • The total length of all walls taken into account in the calculations.

  • Total masonry area

    • The area of ​​the outer side of the walls. Corresponds to the area necessary insulation, if such is provided for in the project.

  • Wall thickness

    • The thickness of the finished wall, taking into account the thickness of the mortar joint. May differ slightly from the final result depending on the type of masonry.

  • Quantity

    • The total number of bricks required to build walls according to given parameters

  • Total material weight

    • Weight of bricks excluding mortar and masonry mesh. Just like the total volume, it is necessary to select a delivery option.

  • Quantity of mortar for the entire masonry

    • The volume of mortar required to lay all the bricks. The volumetric weight of the solution may differ depending on the ratio of components and additives introduced.

  • Number of flexible links

    • Necessary for attaching the facing layer to the main load-bearing walls. The length of the flexible connections depends on the total thickness of the wall, taking into account the insulation.

  • Number of rows in masonry including seams

    • Depends on the height of the walls, the size of the material used and the thickness of the masonry mortar. Excluding gables.

  • Quantity of masonry mesh

    • Required amount of masonry mesh in meters. It is used to reinforce masonry, increasing the solidity and overall strength of the structure. Pay attention to the number of reinforced rows; by default, the reinforcement of every third row is indicated.

  • Approximate weight of finished walls

    • The weight of the finished walls including all bricks, mortar and masonry mesh, but excluding the weight of insulation and cladding.

    Load without taking into account the weight of the roof and ceilings. This parameter is necessary to select the strength characteristics of the foundation.

To calculate the material for partitions, you need to start a new calculation and indicate the length of only all partitions, the thickness of the walls to the floor of the brick, as well as other necessary parameters.

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Features of brick consumption on the wall

When we're talking about Regarding brick construction, it is necessary to take into account not only the size of the blocks themselves, as well as the total area and thickness of the walls being built, but also the features of the masonry. The following parameters play a role:

  • masonry width (from 0.5 to 2.5 bricks);
  • thickness of the mortar joint between the blocks (from 0.5 mm);
  • the number and location of door and window openings in the room.

It is worth taking into account the fact that even when purchasing bricks of a strictly “reference” size of 250x120x65 mm, you cannot be sure that the mortar joint between all blocks will be the same. Firstly, each batch of building materials may contain defects. Secondly, some bricks may be damaged during transportation. One way or another, the difference in size will have to be compensated by the thickness of the mortar joint. As a result, the pre-calculated amount of building material will differ significantly from what will be used in practice.

This picture can be avoided, firstly, by taking into account in advance the percentage of possible brick defects (5-8%; in some online calculators this parameter is enabled by default). Secondly, everything made using special tools To be on the safe side, the calculations should be duplicated independently, guided by the algorithm proposed below.

Calculation of the number of bricks per wall - table!


  • Width of external and interior walls buildings will differ significantly. The difference between load-bearing walls and simple partitions will be no less noticeable.
  • The total area of ​​the building's door and window openings will not be taken into account in the calculations.

To better understand the principles of this rather complex brick calculation, let’s look at the calculations using a specific example. Let's assume that the object we are planning has the following characteristics:

  • It is planned to lay out the internal load-bearing walls with a thickness of 1.5 one-and-a-half bricks. Their total length is 22 m.
  • The number of interior doorways is 4. Their dimensions are 1.25 m x 2.1 m.
  • The partitions are planned to be laid out with a thickness of 0.5. Their total length is 26 m.
  • The planned thickness of the external walls is 2 double.
  • The number of external doorways is 2 (1.3 x 2.15 m). Window – 7 (1.4 x 1.85 m).

Taking this data into account, in practice our calculation will look like this:

  • (2 x 15 x 3) + (2 x 8 x 3) – (7 x 1.4 x 1.85) = 119.86 m² - area of ​​the external walls;
  • (22 x 3) – 4(1.25 x 2.1) = 55.5 m² - area of ​​internal walls;
  • (26x3) = 78 m² - area of ​​partitions.

Using reference materials from the Internet, we learn that:

  • for 1 m² of masonry in 2 doubles, 104 pieces will be required;
  • for 1 m² of masonry of 1.5 one and a half square meters, 78 pieces will be required;
  • for 1 m² of masonry with 0.5 standard single bricks, 51 pieces will be required.

Therefore, in total (taking into account combat and marriage) we will need to purchase:

  • 1.08 x (119.86 x 104) = 13463 doubles;
  • 1.08 x (55.5 x 78) = 4675 one-and-a-half pieces;
  • 1.08 x (78 x 51) = 4296 standard pieces.

In this simple way you can make the necessary calculation of the building material.

domstrousam.ru

Brick calculator

To avoid interruption of the construction process due to a shortage of bricks and unwanted expenditure of funds on the delivery of purchased building materials, it is better to deliver everything at once. Excess material will significantly increase the cost of construction. Therefore, if you need to calculate bricks for masonry, the online calculator on the construction site is the best modern instrument for an accurate calculation.

The principle of determining brick consumption based on the volume of walls

The methodology is based on determining the quotient of dividing the total volume of walls (adjusted to take into account the deduction of openings for windows and doors) by the volume of one brick. The result is the required quantity in pieces for brickwork.

In practice, the problem is solved through several stages:

  • determination of the areas of internal walls and partitions, external load-bearing walls, differing in thickness;
  • calculation of the areas of window and door openings;
  • subtracting the size of openings from the wall area;
  • calculating wall volumes by multiplying their adjusted area by thickness;
  • calculation of bricks for laying external, internal walls and partitions by dividing the resulting wall volumes by the volume of one brick.

The task is complicated by the fact that there are seams between the bricks that are filled with mortar. Their standard thickness is taken to be 10 mm, but it can be less if the brick has an ideal geometry. A few millimeters of mortar between bricks on the scale of the entire building grows into a rather impressive value, reducing brick consumption.

The simplified calculation is based on standard sizes single brick of “normal shape” (1NF) – 250 x 120 x 65 mm (length, width, height). In a cubic meter of masonry, exactly 512.82 pieces of such bricks fit. Taking into account the seams (10 mm), the difference will be 118 bricks, which for the entire facility represents a mountain of unnecessary material. Using an online calculator, the purchase of excess building materials will be eliminated.

Any batch of bricks initially has a certain percentage of defects. Losses are inevitable during loading, transportation and unloading. This damage increases the calculated amount by 5 – 8%.

An example of calculating the required number of bricks per unit area

Design solution one-story house(ceiling height - 3 m) assumes a rectangular outline with a length of 15 meters and a width of 8 meters. The initial data are also:

  • length of internal load-bearing walls – 22 m;
  • length of partitions – 26 m;
  • number of doors in external walls – 2 pcs. (size 1.3 x 2.15 m);
  • number of doorways in internal walls – 4 pcs. (size 1.25 x 2.1 m);
  • number of windows – 7 (opening size 1.4 x 1.85 m);
  • type of masonry of external walls - 2 bricks (double);
  • internal load-bearing walls are designed to be 1.5 bricks (0.38 m);
  • The thickness of the partitions is 0.5 bricks (0.12 m).

The calculations boil down to determining:

  • 1.Adjusted area of ​​masonry of external walls (without openings):
  • S= ((2 x 15 x 3) + (2 x 8 x 3) – (7 x 1.4 x 1.85)) = ((90 + 48) – 18.13) = 119.86 m².
  • 2.Areas of internal walls:
  • V int.st. = ((22 x 3) – 4(1.25 x 2.1)) = 55.5 m².
  • 3. Areas of partitions:
  • V lane = (26x3) = 78 m².

Using a reference table, the value of how many bricks are in 1 m2 of masonry is determined:

Based on the fact that for a unit of masonry area of ​​2 bricks (using double bricks) 104 pieces are needed, then the external walls of the entire building must:

119.86 x 104 = 12466 pcs. double bricks.

For internal load-bearing walls of 1.5 bricks (one-and-a-half bricks) you need: 78 x 55.5 = 4329 pieces, where 78 is the average value showing how many one-and-a-half bricks are in 1 m2 of masonry with a thickness of 0.38 m.

For partitions of 0.5 bricks of material you will need: 78 x 51 = 3978 pieces of single brick.

That. single bricks need to be purchased 3978 x 1.08 = 4296 pieces, one-and-a-half bricks - 4329 x 1.08 = 4675 pieces, and double bricks - 12466 x 1.08 = 13463 pieces - taking into account 8% waste from breakage and scrap.

Using a bricklaying calculator, calculating the required quantity is reduced only to entering the initial data.

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Types and sizes of bricks

The start of construction is preceded by the calculation and purchase of the required building materials. A correctly carried out calculation will prevent a shortage of material during construction or its excess during construction. large quantities. Experts recommend purchasing bricks one-time to avoid color discrepancies. To calculate the amount of material, you will need the following information:

  • type of bricks used;
  • masonry method, determined based on optimal thickness walls of future housing;
  • area is calculated separately internal partitions and external walls of housing;
  • The dimensions of future windows and doors are taken into account.

Depending on the purpose of the building, in what climatic conditions it will be located, choose the type of brick. Based on the material of manufacture, it is classified into the following types:

  • Adobe products consist of clay and various fillers.
  • The most common ceramic material is made from fired clay.
  • Sand-lime brick contains sand and lime.
  • The hyper-pressed material includes lime and cement.
  • Clinker bricks are produced from special baked clay.
  • Fireclay is the source of fireclay bricks.

Depending on the purpose of use, brick can be:

  • Construction (private). Suitable for arranging interior and exterior walls of buildings. Considering its unattractive appearance and the likelihood of minor chips, when used externally, the walls of the future home are subject to insulation and protective finish. External condition the product does not reduce its strength.
  • The facing (facade, front) material is characterized by an ideal surface and the absence of defects. In the role facing material ceramic, silicate and hyper-pressed products can be used. The maximum deviations in dimensions according to GOST are 2, 3 and 4 cm in height, width and length, respectively.

In places high humidity(lowlands or natural areas with a cold climate), ceramic material is optimal due to its low hygroscopicity. From option sand-lime brick in this case it is better to refuse due to its hydrophobic properties. Most suitable conditions exploitation of silicate material - dry and hot latitudes. Facing brick, in turn, is divided into textured and facade materials.

Depending on the filling, bricks are divided into solid and hollow.

Size of all bricks produced by different manufacturers, has established standards: the width and length of the product do not change and are 120 and 250 mm, respectively, the thickness is available in 3 options:

  • single - 65 mm;
  • one and a half - 88 mm;
  • double - 138 mm.

From an aesthetic point of view, single brick masonry is the most attractive. One-and-a-half and double thickness of the product helps simplify and speed up the housing construction process. In addition to this, there is a significant saving in the solution consumed.

Masonry methods

To calculate the amount of material required paramount importance has a laying method. The main types of solid masonry are represented by the following options:

  • The thickness of a half-brick wall is 12 cm. This method is used exclusively for internal partitions.
  • A wall of 1 brick has a thickness of 38 cm.
  • 51 cm - standard wall of 2 bricks;
  • The wall thickness of 64 cm indicates a masonry of 2.5 bricks.

The walls of a home are subject to loads in three directions: compression, lateral rotation or displacement. In the first case, vertical forces from structures located above tend to flatten the wall. In low-rise private houses these loads are small and side surfaces have a sufficient margin of strength against compression. Rotational and horizontal forces occur as a result of soil pressure on the basement wall or increased cross winds. Such loads tend to displace a section of the wall from its occupied position. Housing with thin walls is at risk of cracking or even breaking. To ensure a margin of resistance to displacement forces, the increased thickness of the outer side surfaces is included in the design calculations. Taking into account climatic features Russian regions, the most acceptable is considered to be a laying of 2 or 2.5 bricks.

Calculation method

There are two main options for determining the amount of brick needed for housing construction:

  • the thickness of the connecting seams is not taken into account;
  • taking into account the size of the mortar joint, which ranges from 5 to 10 mm.

Calculation according to the first option usually leads to the formation of excess building materials. The second option is more economical, but 10-15% is added to the result obtained in case of possible losses during construction.

We give the calculation procedure using an example with specific data:

  • it is planned to build a 1-story brick house 9x10 m, 3 m high;
  • laying of external walls in 2 bricks, 1 door 1x2 m and 4 windows 1.2x1.5 m are provided;
  • a single brick is used, the thickness of the mortar joint on the outer side surfaces and partitions is 7 mm;
  • internal partitions made of half a brick, two 10 m long, one 9 m long;
  • partitions have 5 doors 1x2 m;

First of all, the amount of material for the outer side structures is determined. The calculation algorithm includes the following steps:

  • Perimeter of load-bearing walls: (9+10)x2=38 m.
  • Total area of ​​external side structures: 38x3=114 m2.
  • Total area of ​​window openings and doors: 4x(1.2x1.5)+1x2=9.2 m2.
  • Net masonry area of ​​external walls: 114-9.2=104.8 m2.
  • To calculate the amount of building material in 1 m2, we determine the area of ​​the end part of one product: 0.12x0.065 = 0.0078 m2, respectively, in 1 m2 there will be 1/0.0078 = 128 products. Taking into account the laying method, the value doubles and the result is 256 pieces per 1 m2.
  • For the construction of load-bearing side surfaces you will need: 104.8x256 = 26829 copies of the product.

The amount of material for internal partitions is calculated in a similar way:

  • Total area of ​​internal structures: 2x(10x3)+9x3=87 m2.
  • Square internal doors: 5x1x2=10 m2.
  • Net area of ​​partitions: 87-10=77 m2.
  • Area of ​​1 product (spoon part): 0.25x0.065=0.01625 m2.
  • Quantity per 1 m2: 1/0.01625=61.5 pieces.
  • For all partitions: 77x33.3=4736 pieces.

We determine the total amount of material for external and internal walls: 26829+4736=31565 pieces.

In the second option, when calculating the area of ​​the brick, we add the size of the mortar joint:

  • For external walls: (0.12+0.007)x(0.065+0.007)=0.00914
  • Quantity per 1 m2: 1/0.00914=109.4 pcs., taking into account the laying of 2 bricks: 109.4x2=219 pcs.
  • Total quantity for external walls: 104.8x219=22951 pieces.
  • Area of ​​the tray part of the brick for internal partitions: (0.25+0.007)x(0.065+0.007)=0.0185 m2.
  • Quantity per 1 m2: 1/0.0185=54 pieces.
  • Total quantity for internal partitions: 77x54=4158 pieces.
  • Total for external and internal walls: 22951+4158=27109 pieces.

The results of calculating the total area of ​​the external side surfaces allow you to purchase insulation, if it is provided for in the project. If you don’t want to make calculations on the amount of brick required yourself, an online calculator will come to the rescue.

Brick is considered the most popular building material in the construction of both residential and non-residential buildings. Before starting the construction process, it is necessary to carry out a preliminary calculation to understand how much brick will be needed. This is done in order to avoid unnecessary costs and eliminate the possibility of a shortage of building materials during construction. However, before proceeding with the calculations, it is necessary to take into account several points, namely:

  • Type of brick;
  • The masonry method is selected depending on the desired thickness of the future walls;
  • The area of ​​walls, as well as door and window openings.

Main types of bricks and methods of laying them

In accordance with GOST, the size of an ordinary brick must be the same length and width (25x12 cm). Only the thickness can differ:

  • Single – 0.65 cm;
  • For one and a half - 0.88 cm;
  • Double – 1.38 cm.

Advice. The walls that were built from single bricks have the most aesthetic appearance. However, the use of one-and-a-half and double bricks significantly speeds up and facilitates the construction process. In addition, the consumption of masonry mortar is reduced.

The masonry method directly affects the thickness of future walls. Masonry is of the following types:

  • Half a brick (thickness 12 cm);
  • In full brick (thickness 25 cm);
  • One and a half bricks (thickness 38 cm);
  • In two bricks (thickness 51 cm);
  • Two and a half bricks (64 cm).

Advice. Considering the features climatic zones, most optimal solution The walls will be laid in two and two and a half bricks.

Calculation of the amount of building material

When calculating, two methods are often used. In one, calculations are carried out taking into account the mortar joint, and in the second they are not taken into account. Typically its thickness ranges from 5 to 10 mm.

Important to know! If the second method is used in the calculation, there is a chance of obtaining an excess of building materials, approximately 30%. The first method is more economical, but it also has its pitfalls. 10-15% should be added to the resulting amount of material. These percentages take into account possible brick breakage during construction.

Example. For better understanding, let's look at an example. It is necessary to build a one-story brick house with the following dimensions:

  • Length – 12 m;
  • Width – 10 m;
  • Height – 4 m.

The calculation is carried out only taking into account external walls. They have one door (1x2 m) and three window (1.2x1.5 m) openings. Brick type: regular single. Laying method: two bricks. Mortar joint: 7 mm.

So, calculating the amount of building materials for the construction of the specified house using the first method should look like this:

First you need to determine the perimeter of the external walls (1). Then you can calculate their area (2). Next you need to calculate the area of ​​the openings (3). Now you can calculate the area of ​​the masonry itself (4). The next step will be to determine the amount of building material per 1. To do this, you need to calculate the area of ​​the frontal surface of the brick (5) and divide the resulting value by 1 (6), and then multiply by 2, since in our case the laying is carried out in two bricks (7). Total: 256 bricks per 1.

Result: to build the walls of a house according to the above parameters, you will need 31,898 bricks.

To calculate the amount of building material using another method, you need to add the thickness of the seam to the size of the brick, in our case it is 7 mm (9). From this it turns out that the number of bricks per 1 will be 219 pieces (10). Now we multiply this amount by the total area of ​​the masonry (11), additionally adding the amount of material for scrap (1500-2000 pieces) and we get approximately 28,800-29,300 pieces.

Calculations:

  1. Рн= (12+10)х2=44 m.
  2. Sc=44x3=132 m^2.
  3. Sp=(1x2)+(1.2x1.5)x3=7.4.
  4. Sk=132-7.4=124.6.
  5. 0.12x0.065=0.0078.
  6. 1/0,0078=128.
  7. 128x2=256.
  8. 124.6x56=31897.6
  9. (0.12+0.007)x(0.065+0.007)=0.009144.
  10. 1/0.009144x2=218.723.
  11. 219xSk=219x124.6=27287.4.

Having analyzed both calculation options using an example, you can see that the first method is more economical.

Calculation using an online calculator

If you don’t want to bother your head with a lot of numbers or you are simply afraid of making mistakes in the calculations, then you can use special online calculators. With their help, you can quickly calculate the required amount of brick. Simply enter the required parameters in the appropriate fields and the calculator will immediately display the result. In addition to calculating the amount of brick, an online calculator can be used to determine other parameters necessary for construction. The main advantage of such calculators is their convenience and accuracy. Using this method calculation, the chance of making a mistake is reduced to zero. Plus they are completely free.