The blind area of ​​concrete: the rules of the device.

Concrete blind area, as a rule, is poured around the entire perimeter of the building and is like a stone belt around the house.

This construction serves for such purposes:

1. Protects the foundation tape from moisture. Here it turns out that due to the presence of such concrete protection, the meltwater and just the rainwater are not absorbed directly under the walls, but are about half a meter away from the house. Accordingly, the foundation is not so destroyed and lasts longer.

1. Strengthens the overall structure of the house. This is possible because the concrete belt, as it were, does not allow the walls to “diverge”, and the foundation to move aside.

Please note that the blind area is not a "panacea" for all ills. That is, if the soil is very fragile and mobile, and the house is built incorrectly, then it will not be possible to protect walls from deformation with the help of such protection from concrete.

1. The technology of the device of the stone belt around the house with your hands allows you to slightly improve the appearance of the house. After all, if such “edging” is done carefully, then it will visually emphasize the smooth lines of the walls. Plus, it will bring its contrast and stone with a lawn, for example.

So, it turns out that the blind area is very desirable. And if you want to end up with a solid house with a solid foundation, then this is a must. There is no need to neglect this element of the building, because the estimate for the work will need a little, but the benefits of this design will bring a lot.

Consider the key installation requirements for a similar concrete belt.

Basic rules for blind area construction

First of all, it is worth noting that the construction of the blind area of ​​concrete implies a width not less than the width of the eaves of the roof. And best of all, when the concrete protrudes at least 20 centimeters to the side relative to the line of eaves.

Note! If around your home moving and subsiding soils, then in any case the concrete should be poured to a width of at least a meter. Otherwise, the level of protection of the foundation from moisture will be very doubtful.

The next point to be remembered is that the technology of the device of the blind area of ​​concrete implies the presence of a slope from the plane of the walls to the ground. Otherwise, the water simply will not drain from the surface of the belt. In principle, based on the width of one meter, the height difference should be from three to five centimeters.

As for what should be the thickness of the blind area of ​​concrete, the optimum is a figure in 10-15 centimeters (this is the thickness of the layer from the solution). This is sufficient for the strength of the belt and the quantity of materials is reasonable.

Tip: if you produce a device of the pavement of asphalt, then take care of the absence in the belt of different roots. The fact is that if such organic matter is present in the soil, it will gradually destroy the asphalt layer, because it is certainly not as durable as concrete.

We reviewed the rules and nuances - now a brief installation manual for this design.

Correct work sequence

It should be noted that we will “disassemble” the simplest and most versatile fill option. Today, of course, there are quite a few ways to set up a blind area, but there’s really no point in overpaying and “bothering”, believe me - after all, the result, the effect will be about the same.

Let's start with the markup and rough work.

Preparatory stage

The markup and the first stage of work are performed as follows:

1. At the corners of the house we drive in pegs. Indent from the line of walls, as we remember, should be oriented to the line of eaves.
2. Between the pegs we stretch the threads - these will be the beacons of the outer edge of the future blind area.
3. We take a shovel and delve into the ground at a distance of 20 centimeters. You need to go all the perimeter of the house, of course.
4. On the outer edge of the grooves, we place boards “on the edge” of such width that the tree protrudes slightly above the ground level. This will be a blind area for pouring concrete.
5. We fall asleep crushed stone for concrete in a uniform layer at the bottom of the trench and tamp it down.

This preparation is completed, you can proceed to another stage.

Laying the waterproofing layer

Waterproofing a structure is a very important job, the quality of which ultimately determines the reliability of the whole structure.

That is why here you need to carefully and responsibly treat not only the process of work, but also the choice of material.

The essence of waterproofing lies in the fact that strips of roofing felt are laid on top of the tamped rubble.

It is important that the ruberoid was of good quality - on a film basis. The price of such rolls is, of course, more expensive than the material with a paper layer, but the strength is completely different. Expensive roofing material is unlikely to tear during the pouring of the mixture.

So, you need to do a very simple thing - roll the roofing material around the perimeter of the trench with a slight overlap on the wall plane.

After this, it is necessary to mount the framework of the reinforcement and actually pour the concrete.

Mounting frame and pouring concrete

Cut the bars from the reinforcement with a length slightly longer than the width of the trench. The ends of the rods need to be inserted into the wall, into the pre-drilled holes. If the house is brick, then the holes are easily made with a perforator. But if it is very strong stone blocks, then it is likely that such a service as diamond drilling of holes in concrete will be needed.

The distance between the holes should be about a meter or one and a half.

It turns out that here the order of operation is as follows:

1. Insert the armature into the holes.
2. We lay on top long rods that will run parallel to the line of the walls.
3. We bind the metal with steel wire.
4. Prepare the concrete mix on the basis of rubble and fill the blind area (do not forget about the slope).

1. When everything is dry, we remove the formwork and the structure is ready for use.

In principle, this work is completed. If you have done everything without saving and from quality materials, then the blind area will last a very long time and without any cracks. By the way, if in the future you need to make any niches in it (for example, for laying waste pipes), then cutting the reinforced concrete with diamond circles will be relevant - everything will be done smoothly and accurately.

Let's summarize.

Conclusion

We have dealt with quite a bit in how the device is being made for the blind area of ​​concrete and why it is needed at all. As you can see, everything is completely understandable here and there is nothing supercomplex in this matter. We hope that all the above information is useful to you in practice.

Well, if you want to know even more information on this topic, we recommend that you also view the video in this article.

And if you are interested in a detailed device of the blind area of ​​concrete - the estimate is attached in other materials on our information portal.