All about the blind area with a bias

Any building can serve for many years without unnecessary problems if it is protected from negative external factors. Water can have a devastating effect on buildings. It seriously damages the condition of the foundation structures. To a greater extent, those houses that are located on slopes and uneven areas suffer from such problems. For them, it is necessary to make a high-quality blind area with a slope.

Installation of a high-quality blind area is a must. The main function of this structure is to protect the foundation. The blind area, equipped around the house, is capable of diverting melt and rainwater around the entire perimeter from the basement walls.

A building with a slope must necessarily be supplemented with a suitable insulating layer. Typically, on soil slopes, a fairly thin layer of earth remains between the foundation and the environment. He cannot properly keep the cold, which is why the foundation begins to freeze quickly. That is why the selection of suitable insulation is so important.

Installation of the structure under consideration with a slope provides for the organization of good drainage in the environment of the building. In addition, it is very important to adhere to the permissible values ​​of the declination of the structure itself. Under normal conditions, the smallest slope is 3 to 5% of the total width. It is necessary to take into account the fact that higher requirements are imposed on structures built on difficult terrain and steep slopes.

The sloped structure can be made from different materials. Most often, concrete is used for its installation. If you properly organize the device of such a structure, taking into account the terrain on which it is mounted, then you can get a very reliable and effective blind area.

The oblique type blind area is divided into several subspecies. Each of them has its own characteristics, distinctive characteristics and performance. Consider what parameters various types of blind areas have.

• Concrete blind area. As mentioned above, most often the blind areas are made of concrete. These options are considered the simplest. Their popularity and demand are explained by the fact that the cost of work is affordable, and as a result, durable and effective designs are still obtained.

• From sidewalk slabs. The sloped structure can be made from such materials. These options boast a long service life as well as excellent decorative properties.

• Natural stone. If you want to choose a more original and durable type of construction, then you should take a closer look at the blind areas made of natural stone. Such specimens look gorgeous, but they turn out to be rather difficult to install.

• Asphalt concrete. This type of blind area is also highly decorative, but it does not require large financial investments. However, in hot weather, such a structure can give off a not very pleasant bitumen smell.

• Soft blind area. This type of inclined blind area is most often used in situations where water diversion was initially thought out with the utmost care, equipped at the highest level. This applies to drainage systems from the roof, as well as drainage of melt and rainwater.

A reliable and durable blind area with a slope can be assembled by hand. There is nothing prohibitively difficult in carrying out such work, but it is advisable to adhere to the correct technology. Only if this condition is met can one expect good results.

Let's consider in stages how exactly you can mount a high-quality blind area on an uneven area.

If you have planned an independent installation of a blind area on a slope, then first you will need to do the preparatory work. Don't underestimate their importance. The quality of the future design will depend on the correct preparation.

We will find out what the correct preparation should be for the further installation of a blind area with a slope.

• The first step is to mark the future structure. In this case, it is very important to observe absolutely all the necessary parameters. To this end, it will be necessary to drive in pegs around the perimeter of the house, and then pull the twine.
• Next, you need to remove the vegetation layer along with the top soil layer until clay or lime appears. The smallest depth is 45 cm.
• In order for the protective properties of the blind area to be higher, the prepared base will need to be covered with geotextiles. A layer of granite gravel 5-10 cm thick is laid on top of this material. This layer will need to be leveled and then tamped well.
• Further, the geotextile must be covered with a sand layer at least 20 cm thick. This layer is compacted manually or with special equipment.
• In the next step, the sand is abundantly wetted with water and compacted again. A similar construction procedure can be repeated several times, if necessary.

When the base is qualitatively prepared for the further installation of the inclined blind area, then you can proceed to its direct installation.

• The blind area around the house will need to be equipped with a special gutter for drainage. This is one of the features of slope mounting. To do this, a ditch with a width of about 15 cm is dug along the entire blind area. Pre-prepared trays are laid out in it. You can fix them with a concrete solution.
• Next, a layer of the selected insulation is laid on top of the compacted sand layer. For this, different options are suitable, for example, extruded polystyrene foam.
• An important stage in the installation of an inclined blind area is working with expansion and expansion joints. The first type does not allow the blind area and the foundation base to come into contact with each other. The expansion joint is mounted using roofing material laid out in the space between the blind area and the foundation in 2 layers.
• If the blind area on the slope is planned to be concrete, then it will definitely need to be reinforced. For these purposes, a mesh is assembled from reinforcement, consisting of cells with dimensions of 10x10 mm. A bundle of rods is realized using thin wire or special clamps.
• The final stage of the installation of the inclined blind area is to lay the selected coating on the prepared surface.

If you have planned to independently make a reliable blind area with a slope, then you can use some useful tips.

• It is very important not to forget about the installation of the expansion joint. It should be borne in mind that the optimal indicator of its width is 2 cm.
• According to the rules, hydraulic insulation should be removed up to the blind area. It is recommended to beware of its blind connection to the plinth or wall, as this may adversely affect the condition of the cladding.
• It is important to choose the correct width for the ramp construction.A suitable indicator will be more than the overhang of the roof by 20 cm.In this case, the smallest value will be at least 1 cm.
• Any unevenness that you find on the surface of the finished blind area, it is advisable to remove it with a special polishing machine.
• If the inclined blind area is planned to be poured with a concrete solution, then it is recommended to choose concrete of the F100 brand. Such a material can provide a higher resistance to temperature shocks.
• When preparing concrete for the installation of an inclined blind area, it is very important to strictly adhere to the correct proportions. Only with a properly prepared composition will it be possible to concrete the base with high quality.
• If an inclined blind area is made of concrete, then it is necessary to take into account how long it takes to gain the required level of strength. On average, this takes about 28 days, provided the average daily temperature reaches +20 degrees Celsius. If the temperature is lower, then more time will be required.
• Independently engaged in the installation of a strong concrete blind area, first of all, it is necessary to mix water and cement. Only after that, gravel and sand should be added to the resulting solution.
• Before engaging in installation work, it is imperative to carry out all the necessary calculations. Starting from them, you will need to mark the work surface.

For information on how to make a blind area with a large slope, see below.