The sizes of masonry nets for brickwork (GOST)

In order for the brickwork to last longer, a special masonry net should be used. Among other things, it allows you to reduce the consumption of the material used in the work. On the market, this product can be found in the form of cards or rolls. The sizes of masonry nets will be mentioned below, which will help you decide the choice. It should be noted that the described material is most often used when working with hollow bricks.

general description

Reinforcing mesh is a product in which wire rods of different diameters are welded together perpendicularly. The main difference from other grids made of metal is the use of reinforcing wire, which belongs to the BP-1 class, it has a corrugated surface. Thanks to this structure, the material is cemented securely with cement and bricks.

additional characteristics

The sizes of masonry nets should be selected before purchasing the goods. The latter is made of well-bending high-carbon steel. The rods are covered with PVC or zinc in the production process for more impressive strength. A number of specialists prefer a galvanized wire mesh. However, in recent years, glass fiber reinforced plastic coatings have become increasingly common, which give the product the best quality characteristics. The grid in the latter case is easier, its strength is increased, and the top layer protects against corrosion. If you want the armature to last longer, then you should use a product that is covered with fiberglass.

Masonry grid dimensions for brick

The sizes of masonry nets can be completely different. Technical characteristics will depend on which document was used as the main one in production. These can be technical conditions or state standards. In the role of the main dimensions of the grid is the diameter of the rods, which can vary from 2.5 to 8 millimeters. The size of the holes is also important, it varies from 30 to 250 millimeters. The last in shape can be square or rectangular. Manufacturers use the following dimensions as the standard size of one single sheet: 380x1500 millimeters.

Using different mesh sizes during construction

The sizes of masonry nets have been mentioned above, however the most popular among buyers are products whose dimensions are 50x50 or 100x100 mm. It is important to take into account the diameter of the wire. Specialists most often use products whose bar thickness varies from 4 to 5 millimeters. Manufacturers to reduce the final cost of goods deliberately produce products with a more impressive size of cells. It is important when buying a mesh in the store to pay attention to the size of the cells, which must necessarily correspond to the parameters declared by the manufacturer.

The difference in mesh varieties in manufacturing technology

The masonry grid for bricks, the dimensions of which were mentioned above, can differ by the manufacturing method. Thus, as a result, you can get a welded, twisted, prefabricated or woven mesh.

GOST 23279-85

Masonry grid, the size, the photo of which you can find in the article, is made according to the above GOST. In the production process, a Class III A valve is used. Oversized products of this type with a square cell of 50 millimeters are used to reinforce masonry made of bricks. Larger cells, equivalent to 100-200 millimeters, are used to arrange floor screeding, pouring concrete, and reinforcing all kinds of solutions. The thickness of the bar also has its own meaning, so in multi-storey buildings on the lower floor it is recommended to use a grid using a wire of 5 millimeters. This is due to the fact that it has the maximum strength characteristics. On the upper floors a 4 mm grid is used. For a cottage in which two floors are supposed to exist, a 3 mm grid will suffice.

Dependence of the grid size on the wall thickness

The size of the masonry grid for brickwork will depend on the expected thickness of the wall. Thus, for a wall of 1.5 bricks, you will need a map with the following dimensions: 0.38x2 meters. When increasing the thickness to 2 bricks, you should use a grid with dimensions equal to 0.5x2 meters. The dimensions of the mesh cells in all these cases can remain unchanged. For a brick wall of 2.5 bricks, you should use a map with dimensions equivalent to 0,63x2 meters.

Positive grid features

If you have not decided yet whether it is worth reinforcing the masonry, then you need to consider the advantages that the grid gives. It is resistant to the negative effects of chemicals and moisture, exhibits tensile strength, and also retains its original form even if the integrity of the structure is impaired. The material has very little thermal conductivity, it serves a long time, and also shows the ability to quickly cope with the vibrations. You can rely on reliable adhesion to materials, and transportation can be carried out independently, without attracting additional transportation.

Features of using a grid

Masonry nets, the sizes, GOST of which were mentioned above, should be stacked every 5 kinds. However, the frequency of laying, as well as the material consumption of the master can be changed independently, everything will depend on the purpose of the building and the established standards. If a material is used in the course of work that can be corroded, it is necessary to carefully protect the rods with a layer of cement mortar. Above the surface of the masonry rods should rise by 3 millimeters.

Conclusion

If you have not yet decided which reinforcement method to use for brick laying, then experts advise to apply the mesh, as it takes much less time compared to other methods. With the help of sheets you can hide a fairly impressive surface area. One can not help but note the insignificant diameter of the wire, which it is possible to drown in cement mortar. This is especially important if you want to extend the lifespan of the entire structure. However, the latest products in this area are covered with special substances that perform a protective function, making the material more stable and durable, as well as durable.