Advice 1: Solvents for removing old paint

During the execution of the finishing works it is often necessary to remove the old paint. This can be done by using special washes and solvents. In most cases these tools help to remove the rust.
Old paint can be removed with a special wash

Remover for removing old paint

The base washes for paint and fillers – solvents made of organic matter. These include acetone, benzene, turpentine, etc. in Addition, the composition washes is composed of various acids on the basis of organic (acetic, formic), thickeners (various resinous substances, naphthalene, etc.), retarder that prevents evaporation (paraffin). Typically, the washes used in the case, if you need to remove the old car paint or too thick a layer of any of a decorative.

Among the Russian brands are the most effective "Autosmile", "paint Remover Stroy", SP-6, SD, SPS-1, SPS-2. Good feedback on the paint remover "Paint Remover", which lets the firm from the United States "ABRO Industries". This product is sold in the form of an aerosol and gel soluble water.

Generally, each drug is best "works" with any specific type of paint. For example, cleanser PCA-1 perfectly removes coatings alkyd and epoxy. SP-6 and SP-7, quickly remove the layer of polyacrylate and metamorphismregional paint. In a statement to "Autosmile" indicates that it is able to remove nitroemali, in fact she rarely succeeds. But this tool efficiently removes coatings based on metasilicate.

Russian drug "Anticrash-Universal is able to remove all known types of coatings: oil, bitumen, latex, glyptal, etc. in Addition, it removes rust and has anti-corrosion property. "Anticrash-Universal is available in the form of a viscous paste and can be diluted with water. It can be used to clean all types of primers and fillers.

Remover for old paint SD successfully remove the coating of oil-based. After application, after a few minutes the paint will start to flake off. Further, it can be effortlessly removed with the spatula. But use diabetes are recommended in cases if the painted metal surface.

Solvents for removing old paint

One of the most effective solvents for removing old paint – methylene chloride (dichloromethane). He served most modern coatings. The concentration of this solvent in a variety of washes reaches 70%.

Nitroenamel easiest to remove with acetone, solvent No. 646 or 647. For removal of coatings bitumen based perfect coal xylene. Petrol is a solvent you can use for removing heavy-bodied paints and varnishes thickened. Gasoline for removal of coatings based on bitumen.

The solvent aft-1 effective for removing oil paints and varnishes, nitrocellulose. This tool should be applied to the painted surface and leave for 30 minutes. You can then remove the old coating.

Advice 2 : How to clean old paint from the wall

When carrying out repairs it is necessary to prepare all surfaces for painting by clearing them from oblepias old layers. You can use different ways, depending on the type of painted surface and type of paint.
How to clean old paint from the wall
You will need
  • respirator;
  • protection sunglasses;
  • - gloves;
  • - spatula;
  • - chisel;
  • - a hard brush;
  • - abrasive cloth;
  • - electric dryer construction;
  • - blowtorch;
  • - grinder;
  • - remover;
  • - a solution of vinegar;
  • - solvent.
Hammer chisel thick layers of oil paint. Chipping should be small pieces of 2-3 mm. It is a time-consuming process, so in large areas it is more expedient to combine different ways. Using concrete and brick walls, the hard disk sander with showerheads, you will save your time and effort.If after this treatment left untreated plots, can be applied chemical method. Take care to protect the respiratory system of the eyes and skin when using toxic substances. Wear a respirator, goggles and gloves, open the Windows. Apply with a brush a wash to the surface and wait 10-15 minutes. The old paint is soft and easily removed with a spatula.
Use the thermal cleaning method. Oil paint under the influence of heat starts to melt and burn. Alternately apply heat to areas of the wall with a blowtorch or a Hairdryer and then with a spatula, scrape the sticky mass. This method is good to use on wooden surfaces.
Remove latex paint from small areas. If it is PVA based, it is easily destroyed by moisture. Soak the surface with hot water and scrub with a stiff brush. If latex paint produced on the basis of a durable acrylic resin - usablity her statelem or chisel.To clean the walls or ceiling, use the sander and sandpaper (grain 40, 60, 80). To remove chalk paints and glue, use a spatula.Starting from the ceiling, soak the wall with hot water using a brush. Carefully clean off wet paint with a spatula, removing the peeled layer. If it does not respond, DAB a solution of vinegar (3 %). Flatten irregularities on the surface of walls and ceiling, and proceed to the next stages of repair.
When removing paint, do not use grinding disks for metal surface treatment.
Useful advice
Remove all surface paint, even if in some places it is well kept. Curtain out of the room with a wet cloth – this will protect the other rooms from the great dust and dirt.
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