Concrete Floor In The Garage: How To Fill And Paint With Your Own Hands, Fill And Paint, Fill In Correctly

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Concrete Floor In The Garage: How To Fill And Paint With Your Own Hands, Fill And Paint, Fill In Correctly
Concrete Floor In The Garage: How To Fill And Paint With Your Own Hands, Fill And Paint, Fill In Correctly
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When building a garage, it is important to take care of all the nuances and important details. In addition to strong walls and a secure roof, the most important element of the garage is the floor. If it is too thin and fragile, then under the weight of the car it deforms and loses its qualities very quickly, therefore it is very important to be able to properly fill the concrete floor in this room.

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Features of the

In order to make a reliable and durable floor in the garage, it is important to choose a material that will meet all the stated requirements, in addition, it must also be moisture resistant. The most successful option for this is concrete. It is the concrete floor in the garage that is most often used, since it is easy to work with it, and the result exceeds all expectations.

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To fill such a coating, it is important to prepare the surface, for which you need to remove the entire topsoil. This is done in order to minimize subsidence of the soil, get rid of unnecessary microorganisms, since it is in this layer that too many live, and clean soil almost does not contain them. The work on creating a floor for a garage will consist of several stages:

  • preparation of the basis for work;
  • determination of the zero level;
  • determination of the optimal thickness of the concrete layer;
  • laying a pillow for concrete;
  • damper tape laying;
  • hydro and heat insulation of the garage floor;
  • surface reinforcement;
  • screed beacons;
  • pouring a layer of concrete.
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The choice of concrete for flooring in a garage is not accidental, since this coating must withstand many tests.

The fortress should guarantee the integrity of the surface even under the influence of a large mass of the car, resistance to crumbling and cracking, if something heavy or metal falls on the floor, resistance to various chemicals, to temperature extremes, safety in case of fire. Concrete floor allows for quick and easy cleaning of the garage, and a long service life will allow you not to worry about replacing this element of the garage.

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How thick should the fill be?

To create a solid concrete floor, it is important to dig a pit of a suitable depth and correctly place all layers in it under the main covering. The lowest layer should be soil, which, due to its underlying location, will be well compacted, crushed stone is poured on top of it. The size of this layer can vary from eight to twenty centimeters, it depends on the area of ​​the garage, and on the dimensions and weight of the car. After that, a layer of sand is poured, which can be 5-10 cm thick. Concrete is poured last.

If there is one car in the garage, then the optimal concrete thickness is 10 cm, for a heavy car or the presence of two cars in one garage, it is better to increase the thickness to 15 cm. a pit for preparing the floor must be dug at least 25 centimeters deep. If additional coverage is planned on top of concrete, then this also needs to be calculated during the laying of the pit.

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The simplest option for processing concrete for more comfortable use, cleaning and high strength is impregnation.

Polymer compositions can include various components, therefore it is important to know what and in what case should be used. Thanks to such impregnation, the strength of concrete increases several times, in addition, it helps to better withstand large temperature differences and resists the appearance of dust.

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There are three options for such impregnations:

  • Polyurethane impregnation promotes waterproofing.In addition, when mixed with sand, it can be used to get rid of cracks and chips.
  • Water dispersive the mixture helps to strengthen the concrete surface and prevents the appearance of dust on the surface.
  • Epoxy impregnation has a two-component structure and performs a waterproofing role. You need to prepare such a composition immediately before application.
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It is possible to open concrete with paint, the rubber coating helps to strengthen the waterproofing and adds durability. The floor with such paint is convenient and easy to clean, you can use alkaline detergents. Of the shortcomings, it is possible to note that the surface is too even, which in winter can become slippery, which is traumatic. To prevent the car from spoiling the rubber coating, slipping at the start or arrival, it is better to put rubber bands under the wheels, which will save the floors for a long time.

Preparation of the base

In order to make a hole for the future floor, it is necessary to prepare a shovel and a cart for transporting earth from the inside of the garage outside of it. If you need to quickly make a deepening or maximize it, then calling an excavator would be the best solution. Any layer that will be the basis for the floor must be tamped efficiently and evenly, for which it is necessary to have a manual or mechanical rammer.

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When preparing the base for the flooring, you need to have a regular or laser level, tape measure, pegs with thread and a pencil with you. For marking, the zero level is marked. Each layer assumes the presence of auxiliary tools that must be prepared in advance. When everything is ready, you can start working.

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The first step is to dig a hole, which will serve as the foundation for the concrete floor, but if there was already something in the garage, then the first step will be to dismantle the old coating and prepare the soil for a new one. If an inspection pit is planned in the garage, then a significant depression is dug in the center of the room, where a metal box is placed. Then it is sheathed with wood.

The surface of the soil after tamping must be heat and sound insulated, which is achieved thanks to expanded polystyrene. It is important to make the formwork so that the floor does not come into contact with the walls of the garage, otherwise this will negatively affect the strength of the structure as a whole. The height of the tape is set so that it is equal to the height of the future floor or is slightly higher, and after the end of the work, all excess is cut off with a knife.

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Near the inspection pit, you need to lay wires for lighting and sockets, which are placed in a special tube. She is not afraid of external influences, so the electrician will be safe.

Before pouring new layers of concrete onto the ground, the base must be carefully removed so that there is no debris, plants or any other foreign objects on it. Only after this is the bottom of the pit tamped. When this stage is completed, the future floor is marked, the height of each layer is calculated.

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It is necessary to mark each layer with a marker or pencil so that it is clearly visible. It is also important to place pegs in each corner and in the middle of the narrow garage wall. A thread of a certain height is pulled on them so that the layer height is verified absolutely precisely.

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Crushed stone - the first layer that is poured onto the ground - has a dense structure and allows you to stably hold the rest of the floor elements. When the crushed stone is compacted, a layer of sand is poured, which also needs to be compacted. To check how well the job was done, you need to walk on the sand. If there are deep marks from the shoes, then re-ramming is necessary, if they are shallow, then you can continue to work.

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The next step will be heat and waterproofing, for which a special insulating coating is laid on the floor and installed on the walls with a large margin.Concrete will be poured from above, and when it dries, excess elements need to be cut off. Before the concrete is poured, it is better to reinforce the floor so that the structure is stronger. For this, a special wire is suitable, from which a lattice with a cage of 15 cm is laid out.

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It is very important to raise this structure above the surface of the waterproofing layer by at least 5 mm so that the metal is in the middle of the concrete layer, and not under it. Only this can give the desired effect.

The last step of the renovation will be the pouring of concrete, which is carried out using beacons purchased or prepared in advance. The floor is leveled with a long and even board, which is called the "rule". A day later, the beacons are removed, the remnants of the solution are poured in their place and leveled. After that, the floor must be irrigated with water all week so that it cures correctly. It is better to keep the doors constantly closed, and on the concrete surface that dries, you need to spread burlap or film.

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Subtleties of the process

In the process of filling the floor of the garage with concrete, the necessary procedure will be the choice of the brand of this material. The M250 is considered the best for this kind of work.which has good strength and strength as well as durability. It will be difficult to make a solution with your own hands, so it is better to rent a concrete mixer. Concreting is a complex process that cannot be dealt with alone, so it is advisable to have several assistants. Their job, first of all, will be to add concrete to the car so that the amount of mortar is at a stable level and flows into the prepared basement of the garage.

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If there is no way to find assistants, you can work alone, but it will not be possible to concrete the floor right away, since the work will be carried out in parts. The downside of this option may be cracks that will appear due to an inhomogeneous floor covering.

It is important to level the surface only along the beacons., filling it with solid or parts. It is not necessary to buy ready-made structures, you can use everything that is at hand, the main thing is that the object is even and long. They are set at a mark on the wall, which serves as a guideline for the future height of the concrete floor.

The placement of lighthouses goes from the wall removed from the entrance to the garage and to the gate itself. It is important to set them at such a width that the rule is 30 cm longer. This helps to avoid bouncing and uneven alignment. The installation of the first beacon should be 30 cm, all the others are already placed depending on the length of the rule.

If a concrete mixer is used, and concrete enters the garage through a special channel, then pour it not from the edge, but into the middle of the room, and level it from there. Thanks to the screed, the concrete floor will be durable and can withstand any weight.

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In addition to internal strength and reliability, you can also take care of the top layer, which can look like cement or be painted. Correctly selected materials in this case will help to achieve the desired result. The application of polyurethane impregnation will help to strengthen the waterproofing of the floor. Water dispersion impregnation helps to remove dust from the floor and further strengthen it. Garage floors can only be reinforced after they are completely dry, otherwise there will be no effect.

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It is important to clearly understand what exactly needs to be added to the concrete floor for ease of use.

This will make it possible to choose the desired impregnation option and mixture for painting the newly made floor. Painting the floor has a decorative effect because the coating is smooth and attractive, and not only serves as a surface hardener.

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To get a reliable and beautiful garage, it is important to take care of a good base for the floor, fill in all the necessary layers, and then use the main material. Concrete the garage floor thoroughly, because the convenience of using the premises, the safety of the car and everyone who will enter it will depend on it.

Hydro and thermal insulation

When working on a floor covering for a garage, a very important aspect is good hydro and thermal insulation, which is associated with the harmful effects of moisture on the car and other elements that will be in this room for a long time. When the insulating layer is not used, moisture leaves the concrete in the sand, after drying, the top layer becomes weaker and after a while, under the influence of loads, it begins to crumble. Groundwater, rising upwards, negatively affects the microclimate in the garage, which should not be allowed.

For waterproofing, a dense film of 250 microns or more must be laid on the sand layer, it can be reinforced. For conditions with high groundwater levels, it is important to use the thickest waterproofing possible. The canvases are superimposed on one another with an overlap of at least fifteen centimeters, and sealed with double-sided tape. It is important to install the waterproofing on the wall above the level of the damper tape.

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Thermal insulation can be installed both during the work with the floor, and after their completion. It is best to do everything at once, laying it in parts on the waterproofing layer, and on top of it will be laying the reinforcing mesh and pouring concrete.

It is recommended to use extruded polystyrene foam for insulation. Its density should be more than 35 kg / m3, it is resistant to loads, does not allow water and steam to pass through.

If you refuse to use thermal insulation, then very soon it will be clear that there will be no comfort from being on a cold floor, in addition, this will negatively affect the condition of the car. When planning the arrangement of the garage, it is worth taking care of complete comfort in the room so that you do not have any problems with it for many years. It is important to consider the depth of the base if thermal insulation is to be used.

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Tips & Tricks

Various materials can be used to cover the floor in the garage, but only concrete has all the necessary properties that are needed for such a room. Convenience lies in the fact that the work on the arrangement of the floor can be done on your own, without resorting to calling a special team.

When buying concrete, it is important not to make the wrong choice. It is best to buy concrete M 250, which is ideal for work on the manufacture of a garage floor. At the same time, you need to purchase a sufficient amount of crushed stone and sand. The sand must be clean, free from unnatural elements, clay particles or other debris. The size of crushed stone for such work is recommended to be medium or small.

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In the process of installing the formwork, it is better to use spacers, otherwise, under the weight of the solution, the concrete mixture acts on the boards and dries incorrectly, having an uneven shape.

If the floor is very dusty after the concrete has dried, then it is better to paint it so that the molecules are bound and do not scatter to the sides, this will get rid of excess dirt and make the floor stronger. There are several options for such coatings, and each is intended for its own purpose. By choosing the right one, you can get a good final result. It is not necessary to do such staining, although floors with it last much longer, but the cost of such processing is relatively high, and not everyone can afford it.

It is very important to have all the necessary materials and a ready-made work plan available so that you do not have to buy something in the process of concreting. Not only will the lack of the necessary components slow down the process, but can also cause unwanted results in the form of cracks or a weaker floor surface. You should not save on flooring, because this is the basis on which all the contents of the garage stand.

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If the solution will not be mixed in a concrete mixer, it is better to buy concrete grade M400 or 500which mixes with clean sand and water.It is important to mix so that there are no air bubbles in the finished solution. As soon as the main work is completed, it is necessary to process the top layer of the floor with various additives. Correctly selected paint will not only make the floor beautiful, but also improve its performance.

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For those garages where the cleaning of the car will take place inside or the room itself is cleaned with the use of a large amount of water, it is important to organize the slope of the floor covering towards the drain and sewer, which are located on the street. This slope is not perceptible, it is from one to two percent of the difference.

When laying thermal insulation, it is important to do this so that the vertical seam in one row does not coincide with that in the other, this will give the best thermal insulation performance. In the process of pouring layers, it is better not to dilute the ready-made concrete solution with water, because the resulting consistency after drying will not be so strong.

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For information on how to pour a concrete floor in a garage, see the video below.

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