You will need
- - water;
- - sponge;
- - rags;
- - bucket;
- - scraper;
- - brush for cleaning windows;
- - blade;
- - chisel and hammer (options: drill with brush, grinder);
- - remover for cement;
- - vinegar.
Instructions
Moisten dried cement stains hot water using a foam sponge or rag. First, scrub them with a sponge, then use a suitable tool. Windows can be gently cleaned with a cleaning scraper hobs, then rinse with a special brush for washing windows.
Scrape off any hardened cement residue with the flat of a razor blade. Be careful not to leave scratches - do not point sharp corners towards dirt. After cleaning the dirt, wash the surface in two waters.
You can clean tiles from old cement grout (if it does not lend itself to gentle methods) using the proven old-fashioned method - with a chisel and a hammer. Secure the tile to a perfectly flat surface, otherwise it will break. This method of cleaning cement can only be used with certain skill, as you run a high risk of damaging the material.
Try using the drill at low speeds with a soft brush on it. This tool can be replaced grinder with adjustable speed. Low speeds will protect the surface being cleaned from excessive heating. Your task is to fix the tile in a certain position as best as possible.
Buy a special cement cleaner at a building supply store and carefully read the instructions. These washes are based on acid (phosphoric or hydrochloric), which easily deals with hardened cement splashes.
Read the information on the packaging to see if the cleaner is suitable for a particular material - applying acid to some surfaces is prohibited. Be especially careful when working on a tiled wall so that you don’t remove the grout joints along with the stains on the tiles.
Treat the contaminated surface with cement remover according to the instructions. It is usually recommended to pre-wet stains with water; apply an acid cleaner: for large old mortars - without dilution, for cement deposits - 1 part of the remover and 3-5 parts of water. Wait 10 minutes and remove the softened dirt with a spatula. At the finish, rinse the surface with water using a soft rag.
Some craftsmen successfully wash off cement splashes from windows with table vinegar. The acid is applied to the small area to be cleaned, and as the cement softens, it is scraped off with a brush. Of course, all manipulations with acids (including industrial removers) must be performed only with personal protective equipment (overall clothing, gloves, goggles, and always a respirator to avoid breathing harmful fumes).
In some cases, it is necessary to clean various surfaces from cement that were contaminated during construction work. In addition to the fact that the process of washing off plaque is quite labor-intensive, it should be carried out in special clothing. It will protect the skin from the penetration of aggressive substances necessary for cleaning.
During plastering or other work, problems arise with blots getting onto the finishing surfaces. If corrected in a timely manner, you can not only avoid hardening, but also protect coatings from damage during laundering. However, if you are not careful, constantly wiping off fresh stains significantly extends the work time, so this is done after construction is completed.
The most labor-intensive process is washing off old cement that has managed to harden on the floor or walls. Special products are widely used for cleaning construction mixtures from the working surface. One of the main components is phosphoric acid.
When the solution is in a soft state, it can be easily cleaned using a wooden or plastic spatula. But it is not recommended to use metal scrapers and brushes, as they can damage linoleum, tiles and others. If the cement has set, it must be soaked with acidic compounds. Although their use is not always able to help with dried blots, then additional cleaning methods are used.
Review of popular solvents
1. Lugato ZementschleierEntferner – it contains amidosulfonic acid. Capable of cleaning earthenware sanitary ware, ceramic coatings without glaze, as well as chrome products. Very effective for processing and grouting joints between tiles.
The product is prohibited for bases that actively interact with acids; it is also undesirable to use it for terrazzo and marble. Packaged in canisters of 1 and 5 liters.
2. Barracuda 10K - refers to concentrated detergents based on synthetic acid. It is one of the most practical compositions for removing from surfaces such as glass, brick, ceramics, wood, metal, plastic. Barracuda successfully fights deposits on construction tools, concrete mixers, mixers, and also cleans pouring molds and pool bowls with a gentle effect on the material. No less practical in the cold season. Packaging is presented in canisters of 1 and 10 liters and barrels of 200 liters.
3. Prosept Cement Cleaner - presented itself as a highly effective product for cleaning tools and building materials from cement mortar, salt deposits and soot. Able to remove excess production from any surface, removes blots from brick, fights lime and concrete splashes. Removes defects after grouting tile joints and is used for post-construction cleaning.
A product for facades that removes soot and sulfur deposits, thoroughly cleans filling molds. Recommended undiluted for old plaque and diluted with water 1:3-1:4 for splashing and cleaning seams. Packaged in 1 and 5 liter canisters.
4. Docker Zement – refers to aqueous solutions concentrated type and is used for any finishing surfaces, including cladding. The composition does not contain mercury, heavy metals, chlorine and other harmful substances, so it is relatively safe.
There is no specific odor when applied, and drying time is no more than 15-20 minutes, packaging is 5 and 11 kilograms.
5. Mapei Keranet – containing organic acid. Suitable for removing efflorescence, lime and cement splashes indoors and outdoors. The drug is effective for the following surfaces: terracotta, mosaic and ceramic tiles, natural stone (except for those containing calcite).
However, before use, you must make sure that the coating does not interact with the acids in its composition. Available in the form of powder and aqueous emulsion in volumes of 1,5,10 and 25 kg.
6. Mite Himfrez - for brick, glass, ceramic and decorative bases. It also improves the adhesive properties of waterproofing materials for surface treatment.
There are no hydrochloric, acetic and hydrofluoric acids, it interacts safely with concrete and artificial stone. Packaged in 5 and 10 liter canisters.
Advantages of solvents
The products are relatively safe for human health and environment, however, it is not recommended to neglect safety precautions and sanitary standards. If the solution gets on the skin, simply rinse the area with plenty of running water and detergent. It is also important to note the following positive factors:
- During use, hazardous gases and compounds are not released into the air.
- They are completely fireproof as there are no flammable components. However, bottles under pressure tend to explode.
- When treating large areas, the odor does not irritate the mucous membranes, so there is no possibility of allergic reactions.
- When it gets into the soil, the composition quickly decomposes and does not affect the fertility characteristics.
Plaque removal process
First, all surfaces must be cleaned of large pieces, debris and dust. Spraying is carried out with a sprayer or spray gun onto a wet or dry surface. After some time, the resulting foam is removed using a water jet. The cement washes off well if reapplied.
Preparations in the form of a concentrate are most effective, since they can be prepared in any consistency. This will allow you to control the saturation of active substances used for a particular surface. Use is carried out according to a certain scheme:
- Old traces are removed with undiluted solution.
- Fresh “bloopers” are cleaned off with a diluted solution in a ratio of 1:3.
- Construction tools and equipment are cleaned with solvent in a ratio of 1:10. Detergent or other household chemicals are also added.
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Removing cement: effective methods
Removing cement is not an easy task and takes a certain amount of time. In this case, this process must be carried out in special protective clothing, since the active substances included in the products can damage the skin.
During repair or construction work, cement mortars or other compounds inevitably fall on clean surfaces and contaminate them. Timely treatment of surfaces will help correct this misunderstanding and return them to their beautiful appearance. When working with cement, it is important not to let it dry out, otherwise frozen drops will be extremely difficult to remove.
Grout remover can be purchased at any hardware store. This composition will easily remove drops of cement and mineral deposits from any surface. Such products usually contain phosphoric acid.
To remove soft cement, you can use a shovel: scrape off the bulk, then remove the remainder with a solution. Hardened cement will be much more difficult to remove.
Methods for removing contaminants
Many people prefer to use tools such as iron nails and a hammer. The mechanical method of influencing cement will be justified only if there is no risk of damage to the material. In other cases, an acidic cement cleaner will help, which will keep the surface in excellent condition.
When cleaning tiles, it is recommended to place them in water so that the cement particles are completely submerged. Soft material can be scraped off with a chisel. During this process, fix the tile on a flat horizontal surface.
Instead of water, you can use a high-quality cement cleaner, the active substances of which will accelerate the softening reaction. Removing contamination with this product will take about half an hour.
You should remove dirt with an angle grinder only at minimum speed. Pre-fix the material that has cement particles on it.
DIY cement removal
Methods for removing cement independently come down to mechanical or chemical action on contaminated surfaces. Here it is important to check the strength of a particular surface being treated. Mechanical methods are most suitable for strong and smooth surfaces. The following tools will be useful for this: a spatula, a hammer and nails. Chemical treatment will ensure surface integrity and full recovery its original form.
To remove cement, it is best to use a special concentrated Docker Zement product. With its help, you will also get rid of lime and salt deposits, contamination with cement mortars, putty, limescale, urinary stone, etc. from various surfaces.
Judging by the reviews of many users of industrial chemicals, cement solvent is really effective remedy, allowing you to save time. Using available cement removers, first prepare the area. If you need to clean a separate item, secure it securely. Then proceed directly to cleaning.
It is best to wash cement while it has not yet set or hardened. In this case, water, a brush and a rag will be enough. If for one reason or another the cement has set or, even worse, dried out, the information in this article will help.
How to wash cement from various surfaces?
In nature there are two effective ways cleaning surfaces from hardened mortar and concrete: mechanical and complex, let's call it chemical-mechanical.
In order to effectively and reliably wash (clean) cement, you will need the following tools and materials:
- Metal brush for metal;
- Construction spatula;
- Chisel or chisel;
- Builder's hammer-pick;
- Hammer and chisel;
- Grinder and abrasive wheel “for concrete”;
- Liquid for removing cement: “HG 1”, “HG”, “Glutoclean” or other types.
Removing cement residues and concrete sagging
- Large-scale growths and “blots” are removed by the usual trivial knocking down with a handy tool: a blade and a chisel, a hammer and a chisel (chisel). It should be borne in mind that this method of removing cement is not allowed for “facial” surfaces: ceramic tiles and building facades. Typically, this method is used to “plan” the rough surface and clean up excess cement at the seams. It should be noted that chisels or chisels are not intended for removing cement. Therefore, they quickly become dull and become unusable.
- Frozen cement mortar removed from previously used bricks that are planned for recycling with a special hammer-pick (sold at any hardware store). If you don't have a pickaxe hammer, you can use a regular hammer and an ax as a pickaxe. In this case, the blade of the hammer should be inserted between the brick and the cement, after which light blows with the hammer should be applied to the butt. You should be aware that strong blows to the butt of the ax can lead to its splitting “through the body.”
- Unusual surfaces can be cleaned using an angle grinder and a concrete abrasive wheel. This method of removing material requires extreme care, otherwise deep marks from the wheel will remain on the surface being cleaned.
- Remove cement from the surface of glass or ceramic tiles using a stove scraper, a window brush, or a safety razor blade. Before removing the material, it is moistened generously with water. Next, the remaining cement is carefully scraped off with one or another specified tool, and the process is completed by washing the glass with a sponge or rag soaked in water with the addition of detergent.
Chemical-mechanical method for removing cement from the surface
The practical meaning of this method is as follows. A special washing liquid based on orthophosphoric or sulfuric acid is applied to the surface of the cement.
Phosphoric and sulfuric acids belong to the class of strong acids, and phosphoric acid will even destroy glass. The acid contained in the remover enters into a chemical reaction with the cement, softens it, after which the material is easily removed with any “scraper” tool.
When choosing a chemical method, you should adhere to the following rules:
- Cement remover is not suitable for all types of base. For example, sand-lime brick cannot be cleaned in this way. In other words, before purchasing a liquid, carefully study the instructions and purpose;
- When using liquids containing acids, strictly follow safety precautions: protect your eyes and open areas of the body from getting liquid, and if this does happen, immediately wash it off with running water;
- Don't save money! Some “close-by” Internet resources provide recipes for preparing cement remover using battery acid (sulfuric acid) on your own. If you do not have practical experience working with strong acids, such savings can result in severe chemical burns to the skin and eyes!
During construction work, some compounds may fall on clean surfaces and spoil the result. Prompt processing of materials allows you to easily correct the misunderstanding and return the surfaces great view. When working with cement, you need to ensure that the procedures are carried out carefully, otherwise the frozen drops of the solution will be very difficult to remove.
Special compounds sold in hardware stores allow you to remove mineral deposits and drops of cement from any surface. As a rule, such solutions are based on phosphoric acid. When answering the question of how to clean cement, it is also important to take into account its physical condition. The soft material can be scraped off with a special spatula, and the residue can be removed with mortar; hardened cement requires much longer work.
Approaches to Removing Contaminants
Many resort to the help of a hammer and iron nails, destroying the hardened parts of the cement, they want to tear it off the surface. This option is only suitable if there is no risk of causing damage to the material. important role. In other cases, it is better to use an acidic cement cleaner, correct application which will help keep the surface in good condition.
In order to clean the tiles, experts recommend placing them in water, completely covering the cement particles. After the material becomes soft, it needs to be scraped off with a chisel, and it is very important to hold the tile horizontally, fixing it on a flat surface.
A high-quality cement cleaner can be used instead of water; its active substances accelerate the softening reaction, as a result of which the contamination can be removed within 20-30 minutes. You can clean off dirt with a grinder only when you set the minimum speed of the tool; first, the material on which there is solution residue should be well fixed.
Trying to remove cement with your own hands
There are many options for removing cement, but they all boil down to mechanical or chemical action on the frozen masses. When starting to directly address the issue, you need to analyze whether the surface on which the cement remains is hard and strong, or whether strong mechanical stress can cause the formation of chips and cracks.
If we talk about how to clean brick from cement, in this case it is best to use chemical solutions so as not to damage the integrity of the brick and not spoil the overall appearance buildings. If the risk of damaging the bricks is minimal, and the size of the hardened parts of the cement is quite large, you can always carry out the work using a spatula, a hammer and a large nail.
Practice shows that cement solvent really saves time; it allows you to change the structure of the building composition, thereby making it removable. In order to remove contamination from the surface using available means, first of all, it is necessary to clear the space and securely secure the surface, if we are talking about a separate element, for example, glass or ceramic tiles.
To understand how to dissolve cement, just go to a specialized store and find a product designed for a specific surface. You need to be prepared for the fact that some compounds can negatively affect the surface pattern and leave whitish streaks and marks on it.
However, there is no 100% safe solution to the problem of how to remove cement from tiles. By placing a nail under a piece of cement and starting to slowly destroy the mass, there is a risk of making too strong a blow and leaving scratches.
The chemical solution can come into contact with the coating of the material, so the question of how to wipe off the cement will be resolved quickly, but the person will have to independently eliminate the consequences of the chemical reaction. Only careful selection of the product and extremely careful work will avoid trouble.
