How to properly paint the floor in a bathhouse - wooden and concrete


When it comes to painting, it is worth distinguishing between what can be used to paint a bathhouse inside and outside. In order to give the most complete picture of the available options, we divided the story into two parts, and the one that is now in front of you is entirely devoted to what to paint the inside of the bathhouse with. And here is a link to the second part, where exterior painting is discussed in equal detail. You can also read the entire section on painting or just the review article on paints suitable for baths.

Types of coatings

Let's look at all possible coatings, regardless of what material they are intended for, because this will be discussed below.

Antiseptic

Mold, unfortunately, does not make much difference between the materials on which it settles, and its harm to human health is a known thing. Therefore, it seems that surfaces need to be treated everywhere, but with some nuances.

IMPORTANT! Antiseptics are poisonous not only to mold, but also to humans!

Finnish bath paint Supi Lattiaolju

And we have said more than once or twice that elevated temperature is an excellent way to make all sorts of chemical hazards volatile, after which they enter your respiratory tract and poison your life.

On the other hand, we have to conclude that the Finns do not like themselves, because in the compositions intended specifically for the steam room, you will find the obligatory antiseptic. Or they found a product that does not evaporate at high temperatures. Or it evaporates, but does no harm. We have no more hypotheses.

In general, the conclusion from all that has been said so far is this: antiseptics are needed everywhere, including in the steam room. But we would still recommend using any type of separately sold antiseptics throughout the bathhouse, except for the steam room, and in the steam room only those paints that are intended only for it . Because we believe in GOSTs and other standards.

Fire retardant

This impregnation, of course, only applies to flammable materials , because it prevents them from igniting or does not allow them to maintain combustion. In general, the main application is the protection of wooden structures.

Fire retardant for interior and exterior treatment

There are only two classes of fire retardants - one suppresses fire for a short time, and if the temperature is exceeded, it loses ground and allows the tree to catch fire, the second is not afraid of heat, it actively protects the tree, releasing gases that cool the surface, creating a layer that prevents oxygen from reaching the wood.

The second class is not so much the composition as the method of impregnation. It should be deep, done under pressure, in general, work for a pro. But in practice, a composition is often used that can be applied manually, which ensures shallow impregnation. But even so, it’s good, because bathhouses burn most often.

INTERESTING! Fire retardants most often contain either boron or urea compounds.

Oil and wax impregnation

Again we are talking about wood. This material has the ability to absorb water, which causes not only swelling, but also warping, and can cause rot. Therefore, it becomes important to make the wood hydrophobic.

oils or can cope with this task . Usually linseed oil is used to impregnate wood , also known as drying oil , but it is not recommended to use drying oil in a steam room. Instead, you can use some store-bought mixture.

Moreover, ready-made formulations can be based either on natural oils or on petroleum distillation products - paraffin oil, for example.

It is also worth paying attention to oil emulsions - these are particles of fat suspended in water, which are convenient to apply to a wooden surface. In general, the consistency of oil impregnations can be different, including a solid substance if wax (then it is called “oil wax”).

It is assumed that impregnations of this kind are a good answer to the question “how to paint a bathhouse inside a steam room,” where they can cover shelves, and, if desired, walls, ceilings, frames, doors and even floors! After absorption and drying, the impregnation guarantees not only protection from water and wood cracking, but also dirt-repellent properties and color preservation.

If the impregnation is based on water , it will have to be renewed more often. You will notice by a change in the properties of the wood that it is time to re-coat.

Dye

All types of paint and varnish products that can be found on the market are applicable in the bath. There are some reasonable restrictions, but not prohibitions.

In total, we have several classes of paints at our disposal:

  • enamels;
  • oil;
  • water soluble.

Enamels are coatings that are so smooth and even that they resemble old enamels. In fact, these are varnishes with covering pigments, which gives an opaque and glassy layer. The varnishes used as the base of enamels are alkyd with various variations: simply alkyd (pentaphthalic and glyphthalic), alkyd-oil, alkyd-phenolic, alkyd-melamine.

In all cases, we are talking about flammable and toxic compounds, the use of which when painting the inside of a bathhouse is recommended only with the possibility of ventilation and the use of respiratory protection during the application process. When using enamel, limit its use to areas other than the steam room.

In fact, oil paints appeared first and a very long time ago - they are a mixture of pigments and drying oils, ultimately forming a hard, water-insoluble film. Typically, the base of oil paint was natural drying oil - for example, linseed oil that had undergone long-term heat treatment. However, over time, artificial drying oils based on alkyd resins appeared.

Today, oil paints can still be purchased, and they are very inexpensive, but they are also flammable, and the solvents used to dilute them have no health benefits.

The restrictions are the same as for enamels.

Water-soluble paints have different bases. These can be acrylic and silicone resins, as well as various composites when, for example, latex or polyurethane is added to acrylic.

Water-soluble paints are based on resins that dissolve well in water before polymerization, but after polymerization do not dissolve at all. (In this case, dissolution should be understood as the formation of a suspension of resin particles in water - similar to milk, for example.)

As mentioned above, paints appeared gradually - oil paints were known (in painting at least) centuries ago, enamels appeared during the intensive growth of the chemical industry, and the current water-based paints are a tribute to technical progress in ecology. In general, quality and safety are increasing as we approach today, but, unfortunately, the price is also increasing along with them.

ADVICE! However, we would still risk recommending water-dispersion paints for painting the inside of a bathhouse.

Lucky

Varnishes are commonly used to coat wood because they provide (unlike paints) a transparent finish (in various shades as desired) that does not hide the natural grain of the wood.

By its nature, varnish is a resin or artificial polymer. Before application to the surface, it is maintained in liquid form by solvents, but they erode during application and the resin film hardens.

Solvents for varnishes were invented in a variety of ways, including different ones in toxicity. Today, water-soluble varnishes are the safest . This is still the same suspension of acrylates in water. However, it forms a transparent film.

Varnishes are used to cover any wooden surfaces, but if we are talking about floors, then you should take into account abrasion (the more people walk in the room, the more it is), and buy varnishes with high wear resistance .

In addition, there are varnishes that are suitable for wet rooms. They can be used in the washing room, and some even in the steam room.

Floor painting

Floors in bathhouses are often not only varnished, but also painted in order to further extend the life of the coating. However, when choosing what to paint the floor in a bathhouse with, you need to take into account that the paint must be safe for health, that is, not release toxins when heated. In addition, in the steam room it is better to do without paint at all.

If you need a product to paint the floor of a bathhouse in a washroom, make sure it meets the following requirements:

  • ensured the formation of a thin protective film on the surface after application, preventing the accumulation of moisture, dirt and excessive overheating;
  • prevented fungal growth and mechanical wear.

Before painting the floor in the dressing room, you should perform all the same preliminary procedures as when varnishing the surface.

Types of premises

Fortunately, there are not many rooms in the bathhouse (in a standard one). Therefore, we will quickly go through the options of what paint to paint the inside of the bathhouse.

Steam room

This is the most problematic room. Many believe that there is no need to paint anything at all , but the price for such a decision is rapid darkening of the wood (and almost everyone has a steam room made of wood or lined with wood), cracking of the wood (this happens more often from poor ventilation during drying), susceptibility to rotting and mold damage (linden and aspen are very unstable species).

So the absence of any protective coatings, on the one hand, should be considered environmentally friendly, and on the other, costly in terms of future repairs.

We believe that a compromise is possible: there are absolutely safe impregnations that protect wood, preventing moisture and dirt from being absorbed. If you have doubts about whether it is worth using drying oils, take paraffin oil or another ready-made product intended specifically for the steam room.

You can paint the inside of the steam room with both paints and varnishes, but let them be water-soluble paints. And it would be nice if the label mentioning GOST standards stated that this composition is applicable in the steam room.

Washing

silicone and acrylic paints are suitable here In general, everything that patiently endures the effects of moisture.

Other paints will crack and peel off in pieces under constant exposure to water.

ADVICE! Water dispersions do not tolerate frost well: if the water in the paint freezes, then after defrosting it will lose its quality. Therefore, buy them in the warm season, produced recently.

Impregnations and varnishes are also suitable for painting a sink. Again we draw your attention to scuba gear.

What paint to paint the rest room and dressing room

These rooms are the least demanding on the composition of paints, so it is best to proceed from budgetary considerations. If it doesn’t run out, you can give yourself a gift and use water-soluble paints again, otherwise, choose a paint that is suitable in color, dullness and durability of the coating from cheaper ones.

Of course, in the second case, it is better to paint when it is possible to ensure the best ventilation and the absence of people. Don't forget to use respiratory protection.

IMPORTANT! Remember that enamels and alkyd paints are fire hazards, but water-soluble paints are not.

Requirements for modern paints

The dye used for the bath must not only have important properties, but also meet certain standards:

Often home craftsmen are interested in how to paint a stove in a bathhouse, so that this design pleases not only with warmth, but also with an attractive appearance. Most often, this question arises when painting walls, because an unpainted stove will stand out from the updated interior.

Traditional whitewashed stove.

The two simplest methods most often used in Rus' are whitewashing with chalk or lime.

Let's take a closer look at how to paint a sauna stove:

  1. Preparatory stage. If small defects (potholes, unevenness) are noticed on the stove, then it is advisable to first plaster its surface, or coat the seams between the bricks with clay mortar.

Plaster is prepared from a mixture of clay and asbestos, applied to a well-heated stove. Once the plaster layer has dried, you can begin painting.

  • To do this, put pieces of chalk in a bucket and fill them with water so that it completely covers the chalk. After this, let the solution infuse for about an hour.
  • In another container, prepare a solution of animal glue mixed with water in a ratio of 25:1.
  • Mix both solutions until a homogeneous thick mass is obtained.

Painting is carried out in two layers. The second layer is applied only then. When the first one is completely dry.

Apply lime mortar.

  • To prepare the solution, take 1 kg of freshly slaked lime and fill it with 1.5 liters of water. Add a teaspoon of drying oil, 25 grams of blue and 5 grams of salt to the mixture. Blue gives whitewash a bluish tint.
  • The solution is also applied in two layers, only the second layer is applied before the first one is completely dry.

When deciding how to paint an iron sauna stove with your own hands, you should pay attention to silicon-organic enamels, which can withstand temperatures up to 600 degrees Celsius.

Iron stove covered with enamel.

Types of surfaces and material

Perhaps you don’t want to read the entire article because you are interested in a specific answer to an equally specific question - which paint composition is applicable to this or that part of the room - the ceiling or floor, or walls.

Ceiling

There are no specialized paints just for the ceiling . Usually ceilings are painted with the same paint that is suitable for walls.

If you have wooden ceilings, you may decide to coat them with varnish or acrylate, like Tikkurilov's Supi Saunasuoya.

ATTENTION! Ceiling varnish is suitable without additives that increase its wear resistance, which reduces its price.

If you don’t want to preserve the look and texture of wood, you can use any wall paint. Just remember that in wet rooms you should use paints with special markings. These could be silicone or acrylic paints for bathrooms, for example.

Where it is dry, you can paint the ceiling in a bathhouse with ordinary water-based paint, as for a living room.

Floor

There are only flooring options that can be found in a bathhouse - wood or concrete. The latter is found in damp rooms; it is not always covered with tiles, but as an alternative to tiles it is covered with special paints, for example, paint for concrete pools , which guarantees resistance to water and good adhesion (sticking) specifically to this material.

Paint for concrete pools Hydrostone

As for the wooden floor, here you still have the same choice - either use an opaque composition, or a transparent one - that is, paint or varnish. If the bathhouse is used frequently, then it makes sense to look for a coating with special additives that reduce its abrasion (polyurethane, urethane). Otherwise, you can save money on this.

In principle, the floor is the coldest part even in a steam room, so your choice is not limited by anything (except for humidity, which should be taken into account). You can use alkyd varnishes and paints, even oil-based ones if you want. Yacht varnishes are designed for direct action of water.

The floor in the steam room can be covered with Finnish paints - there are impregnations, varnishes, and acrylate protection on sale.

For those who would like to read more detailed material on floor paints and varnishes, read this article.

Walls

The material of the walls themselves can be very different: wood, brick, blocks. However, they do not remain unfinished, so you will paint either timber/framework, or lining, or, less likely, plaster. The bathhouse is traditionally decorated with wood, but we will still tell you about all the existing options, in case it comes in handy for someone.

Wooden

As already mentioned, wood can be either a direct structural material from which the walls are built, or a finishing material - a thin layer of lining placed on the sheathing. By the way, for reasons of thermal insulation, even log houses are sometimes covered with clapboard inside.

How to paint the lining inside a bathhouse

If you want to enjoy the wooden decor in all its glory, then it is better to paint the lining inside the bathhouse with varnish, for example, aqualak. We're talking about walls, so any other wall you can afford will do.

However, before applying the finishing coat, do not forget to protect the wood from fungi and bacteria, as well as from fire.

ATTENTION! When choosing paint, look to see if it contains a fungicide (kills fungi, including mold) and other protective additives. If it contains additives, pre-treatment is no longer needed.

The lining in the steam room can be coated either impregnation , or with the protective acrylate composition we discussed above. They are tinted, so there will be no problems with choosing a color. You can read about impregnations in general here. Here is an article that talks exclusively about painting bath walls.

In general, there is a practice when the lining is coated with varnish, paint or a protective compound on all sides for the first time before installation, and for the second time only on the front side - after.

How to paint a timber bathhouse inside

If the owner of a bathhouse built it from timber or logs, and decided that it is sufficiently insulated without additional tricks, then he will have to make a number of efforts to ensure that the timber or log does not crack or be damaged by insects and fungi.

To do this, it is necessary to treat all rooms with an antiseptic, except for the steam room. Fire retardant - optional. But it is worth remembering that the depth of penetration of the composition is also important for impregnations, so the antiseptic in the paint in this case may not be enough.

Before painting the inside of a timber bathhouse, you should first remove the top layer - this will clean the wood, reveal its texture, after which you may want to preserve it and use either oil impregnations or varnishes.

We repeat: in dry rooms you can use any paints you like; in wet rooms - only those intended for bathrooms or yacht varnishes. In the steam room, it is advisable to use colors that were developed only for it - focus on the Finns, their sauna is hotter than a Russian bath.

Yes, it’s also worth saying that the answers to the questions “how to paint a bathhouse made of logs inside”, “how to treat it” are exactly the same as regarding the timber.

Brick walls

It is very difficult to imagine a brick wall inside a bath without finishing, except for the cutting wall that is erected in the steam room, wanting to bring the firebox into the next room so that it creates the illusion of a fireplace there.

The cutting wall can easily do without finishing , especially if we are talking about the side that goes into the steam room. But if desired, and for the sake of design, it can be painted, for example, with heat-resistant silicone enamel, but, of course, designed for temperatures much lower than the enamel, which will be discussed below in the chapter on painting stoves.

On the side of, say, a rest room, the brick can be treated not with paint, but with the so-called “ clinker oil ” - it enhances the natural color, gives it depth, and protects the wall from dirt. The composition includes drying oil, turpentine and resins .

Stone walls

But the stone wall in the bathhouse is definitely a decorative element. This could be stone tiles, which, by the way, do not need any painting, or pebbles beautifully laid on the wall.

In the latter case, it is appropriate to resort to some tricks with painting, because unpolished stone looks dull and colorless. acrylic or can be used to enhance the color .

Furnaces

Not only the bathhouse, but also what is commonly called its “heart” - the stove - needs painting. And not only iron, by the way.

Iron

Of course, factory ones come painted, but there are also many homemade stoves made from scrap materials, steels with different carbon contents that are prone to corrosion .

In order to protect your stove from thermal and water corrosion, it would be good to cover it with heat-resistant paint . On the market you will find it under the name “organosilicon enamel”. It can be designed for different temperatures - from the maximum temperatures of a conventional radiator to 1000 degrees of some solid fuel heating boiler that runs on coal.

For a sauna stove, you should take enamel with maximum temperatures of 650-1000 degrees. You can cover it just for protection in one layer, but the appearance depends on the hiding power -

if the look is good, then one layer is enough, and if it turns out unevenly, do a second one.

On sale you can find enamels of different colors, not just black. By the way, it is clear that black objects absorb different radiation better (say, visible light and infrared), but where does the idea come from that they also emit it better?

In addition to painting, you can use the old method of bluing to protect against corrosion . For more details, see the article about painting stoves on our website.

Brick

With brick stoves, there are only two options: either whitewashing with lime/chalk, or painting with the same silicone enamel. Only in the case of the latter, again, there is no need to spend money on a high-temperature one - the surface of the brick stove does not heat up too high (unfortunately, we cannot provide exact figures).

By the way, all this applies not only to stoves, but also to screens that cover metal stoves.

Types of floors in the bathhouse

For baths characterized by high humidity and sudden temperature changes, as a rule, two types of floors are used:

  1. Wooden flooring.
  2. Concrete screed.

Concrete screed is often installed in steam rooms and washrooms. Ceramic tiles are usually laid on top of such a floor, choosing non-slip, durable and intended for rooms with high humidity levels.

Alternatively, when deciding how to cover the floor in a steam room, you can choose wooden lattice panels for laying on concrete, which will protect your feet from direct contact with the cold floor (pro

Tools and technologies

The main tools for painting with almost any composition have been and will be the following:

  • brush;
  • roller;
  • spray gun.

In addition, you can buy some types of paints in aerosol cans, but their cost is significantly higher than their counterpart in a can.

Brushes come in different types: from natural bristles, artificial and mixed bristles. All of them are used for applying paints to one or another prepared surface. It is better to apply water-soluble paints using artificial bristle brushes; they do not retain water.

The brush is wetted by a third in the paint, on both sides. After that, with short (!) strokes. The direction of the strokes should always be along the grain of the wood.

Rollers are also different:

  • foam;
  • velor;
  • fur;
  • polyamide.

With the exception of foam rubber, all can be used for applying paints on any basis; foam rubber is suitable for water-soluble paints and nothing more.

The spray gun is convenient, but not as accessible as brushes and rollers. You will find varieties for water-soluble and alkyd paints, with an upper or lower location of the tank for the spray composition.

The paint is supplied under air pressure from the compressor, so you must first adjust its viscosity (using a solvent), and then adjust the air supply. This is often done experimentally. First, the maximum spraying is set, the flow of paint is checked - if it falls in the smallest drops, everything is fine, otherwise a solvent is added in an amount of 5% of the volume. Check again.

The air supply is calibrated by the type of drips under the stained spot: if they are at the edges, then the air flow should be reduced, if under the middle of the spot, then increase it.

The paint should be applied evenly, perpendicular to the surface, from a distance of 15 to 25 cm . Overlap the layers, but make sure that the width of the overlap is not more than half the area already painted.

Technique for uniform painting without drips

In order for the varnish or paint to lay evenly on the surface, the wood must be carefully processed.

  • Clean from dust, oily stains and other dirt that can be removed mechanically.
  • Before painting, the floor is sanded with a special machine. At the end of this work, the sawdust is swept away and the surface is thoroughly wiped with a damp (but not wet) rag.
  • Treated with an antiseptic. Wait for it to dry completely.
  • Paint or varnish is applied with a roller or brush.
  • If oil stains appear, remove them with a soft sponge.
  • If necessary, the floor is re-coated, but only after the previous layer has completely dried.


The varnish or paint will be distributed evenly over the surface if the preliminary work is done carefully.

What types of paints are there?

Universal fire protection products, as the name suggests, perform the functions of an antiseptic and a fire retardant at the same time.

Some compositions have a tinting property, or require subsequent painting and act as a primer. Along with impregnations, there are varnishes and paints that perform the functions of fire protection and protection against insects.

The purpose of the primer is to strengthen the wood structure and enhance adhesion (“sticking” of paint to the surface being painted). Some primers contain bioprotective components. When choosing a primer, you must follow the paint manufacturer's recommendations: the compositions must be compatible.

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