Masonry aerated concrete blocks with their hands: the features and description of technology

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2018-03-24 12:04:13

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Aerated concrete represents today one of the most inexpensive building materials. Because it makes the blocks, which have an impressive size and negligible weight. These qualities provide ease of installation, and that made the concrete so popular among individual developers and professionals. If you too have decided to use concrete, we should start to see the technology of masonry. Only in this way you will be able to achieve high quality work.

Recommendations for masonry

masonry concrete

The walls of the concrete specialists is carried out only after the products are further processed. It uses a special plane. This recommendation is due to the fact that the specificity of the production of the described material requires a tolerance in size on sides. Generally, specialists use a variety of tools for masonry of aerated concrete blocks, this you know, after reading the article.

Expert Advice

masonry of aerated concrete blocks with their hands

It is Important to remember that concrete is a porous material. Despite the fact that it is uniform and dense, the surface absorbs moisture. This indicates the need of furnishing a cut-off of waterproofing. Some inexperienced builders do not give this issue much importance. If this stage is ignored, the moisture will penetrate from below, moving along the wall and climbing up to the third floor. Typically use cheap and common material today – roofing.

However, you should consider its durability. Even under the most favorable conditions it is 5 years old. Therefore, the best option will be water-repellent film. Brickwork of aerated concrete blocks with their hands is better to implement using the products, the sides of which are recesses in the form of spikes and grooves. Such blocks can be adjusted to each other quite tightly, which will provide structural strength.

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Preparation before you start laying

walls of concrete

After you pour the Foundation and strength of the concrete at its surface, you must perform a leveling screed. The solution for her is made from cement and sand. With this structure it is possible to eliminate the mismatch in heights that could cause uneven walls.

The Levelness of all the parts of the tape should monitor the building level. The top is placed a waterproofing material. Previously it should be cut into strips, the width of which is slightly larger compared to the Foundation. On each side of the material should hang down 10 cm.

Installation Guidelines

how much is the masonry of aerated concrete blocks

The Masonry of aerated concrete blocks by means of special adhesives, which are presented for sale in the form of dry mixtures. But some artists prefer to use a traditional mortar, and shuts in the ratio of 1 to 3.

In favor of purchased products it should be said that with its use the thickness of the seam can be as little as 2 mm. This indicates that the cold joints in the wall will not. In addition, this method of fastening blocks reduces installation time. For breeding glue additional space will be required. But for a solution you need to bring the cement and sand, not to mention the dirt and dust on the site.

To Start laying the concrete is necessary from the corners. As soon as the last block will be installed and aligned between them is necessary to stretch the rope by which the master will be guided when laying the rest of the products. So it does not SAG, you should use nylon cord or fishing line. For stronger coupling between the bricks of the side faces, spikes and grooves are processed by glue.

When laying the first row, it is important to control the location of the upper edge in the plane of the horizon. If necessary, it is possible to carry out processing of the blocks with a plane. The second level is built on the same principle. However, it is important to note that the joints in adjacent vertical rows should not overlap. The first corner unit in this regard should be cut in half. Through the level will be located one-half block, then in the next row – a one-piece product.

The Masonry of aerated concrete blocks must be implemented at intervals of 2 hours between the rows. So the adhesive grabs well. Therefore, it is necessary to breed with the expectation of one level. Under Windows and doors you need to leave empty space. Before mounting the blocks of the next row according to the level of these places are further reinforced. Over the openings to install a jumper from the reinforcement rods. They must be sawn through in the grooves. On the wall they should start 20 cm from each side of the opening.

Features of the masonry of the first row

a tool for masonry of aerated concrete blocks

Whether properly laid in the first row depends on the accuracy of the geometry of the whole building. If you did everything correctly, then the subsequent numbers will be able to build much faster. Brickwork of aerated concrete blocks in the first row should be cement-sand mortar. This will smooth out spikes. The solution should be to add water-retaining substance, while applyingis carried out with a trowel. The Supplement will help to eliminate the rapid absorption of moisture by the material, because we know that to set the strength of the solution does not need to quickly lose moisture.

To Start work on laying the first row you need from the highest point of the Foundation. If you purchased the blocks with grooves and ridges, the products should be positioned in such a way that the crests were sent out. This will facilitate finishing works. As practice shows, to sand piles is much easier than to fill in their plaster mixture. As soon as the aerated concrete block will fail to install, check the level and correct if necessary with a rubber hammer. Normal use is impossible, as it will damage the surface.

Description

the first row of masonry of aerated concrete blocks

Align the outer corners of the first row, you must use building level. The location can be checked using the level. Between the set of external angles, stretch the cord and fill the number of blocks. Line facilitate control of masonry.

After filling in the number and setting time of cement mortar should perform reinforcement of the first row. It argued that this step can be bypassed, because the blocks are stacked on the Foundation. Some do it, it saves, but in the end supporting walls crack.

Features of the work

laying the first row of concrete features

By Studying the features of the masonry of the first row of gas blocks, you will be able to understand that perfect alignment of the products in the corners of the building is impossible to achieve. However, it is important to ensure that the difference in height of individual corners not turned out to be above 3 cm.

The Blocks are placed so that they slightly protrude above the cap. This option needs to make 50 mm. Area, which is reference, doesn't have to be lower than estimated. This zone consists of a perimeter block, which is in contact with the Foundation. For laying the subsequent rows of the first experts recommend the use of adhesive “Cerezyme ST-21”. This recommendation is due to the fact that the composition contains water-retaining additive. It does not freeze for a whole hour. This mixture is quite expensive, however, justifies a high price. For the above time, the wizard will correct the mistakes made during installation.

Acquiring a cheap glue, you will not be able to guarantee a successful outcome. Pulling on the cord, it should be strengthened between the lighthouse blocks. If the distance between them is quite large, the centre should establish another intermediate product, which would eliminate any slack in the cord. Flatness of the first row of masonry of aerated concrete blocks depends not only the stability and reliability of the building, but also the flow of the adhesive composition. It is important to follow the standard, which States that for cubic meter unit should take about 1.2 per bag of dry mix. If in the process, the used gas blocks with tongue and groove, the said volume of material will need one bag of glue. For alignment of the obtained layer, use a grater.

Conclusion

House masters who have no experience in the conduct described in the article works quite often wonder about how much it costs for masonry of aerated concrete blocks. To pay for cubic meter of masonry of aerated concrete blocks with tongue-and-groove system will have 1100 rubles. The maximum price is 2700 RUB. If you plan to use flat concrete, the minimum price per cubic meter of masonry will be 1200 rubles., while the maximum-2800 RUB.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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