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August 12, 2017 18:06

Overview of varnishes for furniture and their application

Overview of varnishes for furniture and their application

Furniture varnish helps not only give it an attractive appearance, but also perfectly protects the surface from mechanical stress, moisture and dirt.

Currently, furniture coated with a layer of varnish is in great demand among the population.

When using varnish, a wooden surface, you can give an interesting structure, which many times increases its attractiveness.

Lacquered furniture is absolutely safe from an environmental point of view and has no foreign smell; it is great for a child’s room.

Acrylic and craquelure compositions, water-based polyurethane varnishes, as well as many others allow even old furniture to be changed beyond recognition. Instagram profiles gramhum Browse Instagram with the best experience.

Meanwhile, varnishes are successfully used not only for furniture, but also for any other wooden base.

Very often, these universal compounds cover entrance doors, windows, as well as floors on a wooden base.

Currently produced in color, black, colorless, as well as matte and glossy compositions, which are suitable, including, for the restoration of absolutely any wooden surface.

It should be noted that very often there is a need at home to get rid of varnish, which is not so simple to do.

Removing the lacquer surface from old furniture or a wooden surface is best done using special chemicals.

In this case, you must adhere to certain rules and safety precautions.

Content:

  • Features of varnishes
  • Varieties of varnishes
  • Marking of varnishes
  • How to remove varnish from furniture?

Features of varnishes

Currently, for the restoration of furniture, you can use a variety of compositions, however, varnishes on a different basis are most popular.

By themselves, these compounds are completely environmentally friendly and odorless, which means they are suitable even for children's furniture. It is customary for masters to divide varnishes into several different types.

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The main difference between this conditional division is the type of surface for which they are mainly intended.

So, the first group includes those compositions that are mainly used for the treatment of floor coverings on a wooden basis.

The second group includes those varnishes that are suitable for coating wooden objects located in rooms with high humidity, such as in the bathroom.

The main group consists of those compositions that are designed for the restoration of furniture items, as well as wooden foundations, located indoors.

In order to choose the right varnish, you need to determine exactly which surface you have to work with. In addition, a number of different parameters should be taken into account.

It is best to choose those compounds that not only do not have an unpleasant odor, but are also completely safe when used.

Such varnishes include, first of all, those made on a water basis. It is easy to work with them, and besides this, they are also suitable for the restoration of children's furniture.

Those formulations that are made from various organic solvents, as a rule, have a specific smell, which negatively affects the respiratory system.

When working with them, be sure to use a special protective mask. These organic varnishes include craquelure, as well as polyurethane compounds.

In the event that a furniture lacquer is selected, it is better to dwell on water-based compounds, which are odorless, safe to use, and in addition, have high rates fire safety.

Varieties of varnishes

The main characteristic of all varnishes is their composition. There are water and oil based varnishes, in addition, there are alkyd, polyurethane, epoxy, as well as craquelure and epoxy compounds.

All of them are suitable for the restoration of old furniture, despite the fact that they have both their advantages and disadvantages, which must be taken into account.

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Very often alkyd varnish is used for furniture. It consists of various groups of resins, as well as organic solvents.

These varnishes are distinguished by high strength, excellent moisture resistance and good aesthetic characteristics.

Their significant drawback is the long time period of drying, as well as the presence of an unpleasant odor.

For the production of oil varnishes for furniture use all kinds of resins, oils of vegetable origin, as well as solvents of the organic group.

It is best to use these formulations if necessary to perform the primary coating.

Furniture varnishes also include nitro varnishes. For their preparation, colloxin, various plasticizers, and also resins are taken in different proportions.

Such compositions dry quickly enough, and in addition, have good adhesion to the work surface, give it increased strength.

The disadvantages of such varnishes include low environmental performance and the presence of an unpleasant odor, which excludes their use in the children's room.

Also, for applying to furniture, an epoxy coating is used, which has a high resistance to abrasion and various mechanical effects.

Polyurethane varnishes are very popular, which are widely used not only in the furniture sector, but are also very often used for interior decoration.

The most safe and fireproof are water-based acrylic compounds. They are odorless, safe to use and can be used to cover children's furniture.

In order to correctly determine which varnish to choose, it is necessary to first determine not only the type of surface, but also the subsequent conditions for its use.

Marking of varnishes

Currently, furniture varnishes of both domestic and foreign manufacturers are presented on the modern construction market.

In order to accurately understand which particular composition to work with, as well as determine its characteristics and properties, you need to learn how to read the markings correctly.

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Knowing the markings will help you choose exactly the furniture lacquer that is needed.

It should be noted that foreign products are usually marked with four groups of certain symbols.

Of course, craquelure varnish or water-based composition will have different symbols and designations.

So, the first characters will always indicate the type of varnish itself, as well as describe the pigment included in the composition.

According to the second group of notations, you can find out the characteristics of the film-forming substance that is part of this varnish.

Considered safe and suitable for use in the children's room, those compounds that are made on the basis of natural resins.

According to the third group, a symbol can understand what exactly this coating is intended for.

So, in this category of symbols, varnishes are divided into varieties, for example, weather-resistant, water-repellent, fire-resistant, and so on.

The fourth designation gives information about the manufacturer of furniture varnish and the place where the production itself is located.

The last marking indicates the type of furniture covering, for example matte or glossy.

When choosing a furniture cover, you should carefully study all the markings on the packaging, especially if this tool is chosen for work in a children's room.

In this case, it is better to use furniture compositions on a water basis, in extreme cases, craquelure varnish.

In any case, before making a purchase, it is necessary to collect the most complete information about the purchased product.

How to remove varnish from furniture?

Very often there is a need at home to remove its main coating from the furniture surface.

It should be noted right away that it is not easy to remove the varnish from the furniture and in some cases it is possible to completely get rid of the application only by cycling.

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This fully applies both to the colored surface and to the furniture surface on which a black or matte shade of varnish is applied.

You can try to get rid of the coating in various ways, while you should consider not only the characteristics of the composition used, but also the material of the furniture.

For example, you can remove the coating from the oak surface using various methods, ranging from mechanical stress and ending with the use of various solvents.

This is due, first of all, to the fact that oak furniture has a fairly strong structure that is able to effectively counteract various chemical compounds.

In turn, removing the coating from a softer material will be much more difficult.

It should be noted that you should not even try to get rid of the coating that is applied to the furniture from chipboard.

If it is necessary to remove the coating as carefully as possible, then special chemicals should be used, which are called washes.

In this case, even ordinary acetone or methylated spirits can help get rid of furniture.

Quickly and effectively remove the old layer from furniture at home with special gels that should be applied to the surface with a brush.

To do this, thoroughly moisten the item with a chemical agent, and then cover it with a film for a while. After that, the coating is removed using a spatula.

Then the processed furniture should be washed well with water and dried. You can also remove the old coating from furniture using a special layer, which forms a layer of foam on the surface.

This tool, although it has good effectiveness, is used mainly when a thin coating is applied to the furniture.

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The most time-consuming process of removing old coatings from furniture is cycling. In this case, the work will have to be done as carefully as possible so as not to damage the main surface of the furniture.

The varnish is able not only to give the furniture an aesthetic appearance, but also to protect it from moisture, mechanical damage, as well as dirt.

This coating should be selected based on its main characteristics, as well as the structure and operating conditions of the item itself.

If it is necessary to remove the coating from a wooden object, it is necessary, first of all, to choose a method that eliminates the possibility of damage to its base.