Brick and its dimensions

Most often, brick is used for the installation of stone walls using the dry masonry method. Its classification depends on the raw material, structure, manufacturing technology and purpose of application. Each type of this building material must meet certain parameters. Consider one of them, namely, dimensions.

The optimal size of a single brick is 250*120*65.

General brick dimensions

First of all, we find out what the main dimensions of the brick should be: length, width and height. These indicators have undergone many changes before they reached the numbers we are used to.

Standard dimensions were established back in 1927, before that each manufacturer produced products of its own sizes.

Also, in addition to standard bricks, there is a EURO brick, its dimensions are 250 * 85 * 65 mm.

But empirically, the optimal values \u200b\u200bfor construction were chosen: 250 * 120 * 65 mm. So the most common and in our time, the so-called single brick, appeared. Construction technology does not stand still, soon there was a need to produce bricks of other dimensions. In order to save time, one and a half bricks with dimensions of 250 * 120 * 88 mm were invented, double - 250 * 120 * 140 mm, modular - 280 * 130 * 80 mm. There is also the so-called EURO brick, its dimensions are 250 * 85 * 65 mm. Of course, these dimensions are very important, since the appearance of the wall and the complexity during its construction depend on them. For example, when laying out 1 cubic meter, 512 single bricks will be required, and one and a half - 378, that is, 26% less.

Weight in this topic is a dimension that has an approximate value. It is much more important to establish the specific gravity of the brickwork. When calculating it, the weight of the solution consumed per 1 cubic meter is taken into account. m walls. But still it is worth giving information on the mass of the brick. On average, a single full-bodied product weighs from 3.6 to 4.3 kg. To reduce the mass and increase the heat-shielding properties, voids are made in this building stone during molding. The following number of holes is allowed: 18, 19, 28, 31, 32, 60. The diameter of vertical voids should not exceed 20 mm. Slit-like can be up to 16 mm wide. The thickness of the outer walls of the hollow product must be at least 12 mm.

Differences between building and facing material

Facing bricks should not have defects - the aesthetics of the facade / fence / wall depends on this.

In addition to the main ones, the concept of dimensions includes permissions for deviations from the norm, the so-called defects. And here it is already important to consider what kind of brick is to be laid - building or facing. It is clear that the material used in the cladding is subject to higher requirements than the one hidden from view.

So for building solid bricks it is allowed:

curvature of edges and faces up to 0.3 cm;
the presence of chips and bluntness of the ribs and corners no more than two and the size along the length of the rib is less than 1.5 cm;
on the spoon (lateral longitudinal) faces there can be one through crack with a length of up to 3 cm across the width of the brick.

When using a building hollow product, it is possible:

curvature along the bed (upper and lower large faces) up to 0.3 and along the spoon up to 0.4 cm inclusive;
a maximum of two bruises or dullness on the ribs or corners from 1 to 1.5 cm long, not reaching the voids;
cracks in the bed in full thickness, while in width they can reach the first row of voids;
no more than one crack on the spoon and bonder (lateral transverse) faces.

In addition to single, there are also one and a half bricks with dimensions of 250 * 120 * 88 mm, and double - 250 * 120 * 140 mm.

For facing bricks it is strictly not allowed:

the presence of cracks;
chipped corners deeper than 1.5 cm;
broken ribs with a depth of more than 0.3 and a length of more than 1.5 cm.

A cladding product will be accepted for work if it has:

individual cuts, in total having a length of less than 4 cm;
no more than one broken corners up to 1.5 cm in depth;
maximum one broken rib less than 3 cm deep and up to 1.5 cm long.

Dimensions during production are laid down during the molding process. The decision on compliance with all existing standards is made by the technical control of the manufacturer. To do this, acceptance tests are carried out for each batch of building and facing products.