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Sheathing osb. Which side to mount the OSB sheet

The use of sheet materials in construction and home decoration has long been known. But if in the past it was necessary to get by with only chipboard, fiberboard or plywood, today the ranks of traditional samples have been replenished with new analogues with improved properties, which makes them more suitable for certain types of work.

One example of such products is OSB boards for interior decoration, which will be discussed next.

What is OSB board?

OSB (OSB) is oriented strand board. The material is panels made from pressed shavings of coniferous and deciduous trees. Chip sizes can range from 60 to 150 mm.

OSB boards have high strength and density, due to the combination of several layers in them. In the middle, the chips are located across the sheet, and in the lower and upper layers - along.

All layers of the material are pressed under high temperature and pressure and impregnated with waterproof resins and paraffin. Used as a binder phenolic and formaldehyde resins. Finished slabs have a homogeneous structure - without cracks, chips and cavities.

Read more about the characteristics of OSB in our article.

Is it harmful to use a stove for interior decoration?

The possibility of using OSB for finishing depends on the marking of the product, which in turn is determined by the amount of content in the material of synthetic resins that emit during operation harmful fumes.

The largest amount of toxic substances (from 10 to 30 mg per 100 g of dry matter) is contained in plates of class E2 and E3. OSB panels marked E0 and E1 contain in their composition a minimum proportion of harmful components - from 6.5 to 10 mg. These are, as a rule, products of foreign manufacturers: Glunz (Germany), Norbord (Canada), Egger (Austria).

Thus, the products of the last two brands are most suitable for use for interior decoration.

Materials of class E2 and E3 can only be used for outdoor work.

To protect yourself from buying "dangerous" material, it is worth considering some points that partially determine right choice OSB:

  • stove smell. With a high content of harmful substances, the material smells strongly of formalin and cheap plastic;
  • products must have a certificate certified by a seal from the manufacturer or supplier. A copy of the document can be requested from the seller;
  • it is also not superfluous to inspect the packaging, if any. Products of major manufacturers are usually labeled and provided with inserts with information.

How to make a partition from OSB inside the house and what screws to fix?

OSB - quite suitable material for the construction of internal partitions of rooms. strength and a light weight sheets clearly testify in favor of this product. OSB boards can be mounted on (as GKL) or on wooden frame.

If the second option is used, the wood should be treated with protective materials against mold and mildew, as well as fire retardants.

Now as regards wall mounting diagrams, which will be considered on the example of a wooden frame:

  1. At the installation site of the structure, markup is made. Lines are drawn along the floor and ceiling, which will serve as guidelines for the installation of horizontal guides.
  2. Bars with a section of 4x6 cm are attached along the marking lines. If the wall is subjected to serious loads (for example, it is planned to hang furniture on it), it is better to use thicker bars - 5-8 cm. The guides are attached with dowels.
  3. Install vertical racks that are fixed to horizontal bars using metal corners and screws.

    4. The step between the racks depends on the width of the plate, which is different. So, if the transverse dimension of the OSB sheet is 125 cm (the value inherent in European brands), then optimal distance between the axes of the vertical bars - 62.5 cm. In this case, it will be possible to screw the edges and the middle of the plate to the frame.

  4. After installing the racks, the OSB panels are mounted.

They are fixed with self-tapping screws, whose length depends on the thickness of the sheets and should be 45-50 mm more than this value. For example, when using a material with a thickness of 12 mm, the recommended length of self-tapping screws will be 60-65 mm.

In the middle of the plate, screws are screwed in increments of 30 cm, along the edges - every 15 cm. The indent from the edge is 1 cm. A gap of 1 cm is left between the plates and the floor. The same gap should remain between the OSB and the ceiling.

Also, the panels should not be installed closely, but at a distance of 3 mm from each other. This will protect the sheets from deformation during changes in humidity.

Making a partition from bars and OSB - watch the video:

Internal wall cladding

This process, like the procedure described above, requires the preliminary construction of a frame, for which all the same wooden bars or profile. Now an example for arranging a crate will serve as metal version , since the wooden frame was discussed earlier.

Finishing the walls of OSB with a slab consists of the following steps:

  1. The first step is, as always, markup.

    2. If the wall is uneven, you should find the most protruding section of it, from which you should push off. Lines are drawn along the wall, after which a starting UD profile is attached to the floor and ceiling using self-tapping screws or dowels.

  2. Further, vertical CD profiles are inserted into the installed guides and also fixed - to the wall with the help of self-tapping screws and metal hangers, to the horizontal guides - with drilling screws. The step between the posts is the same as in the case of a wooden frame.
  3. To stiffen the crate, the vertical posts are reinforced with transverse profiles. At standard height ceilings (2.5 m) it will be enough to install two elements for each span.

Installation of plates is carried out in accordance with the rules mentioned in the instructions for the construction of partitions.

How to finish the stove inside the room?

Interior decoration of wooden country houses as in the photo can be completely different in cost and design. For surface finishing from OSB sheets are used various materials. Let's consider them further.

Is it possible to fix drywall on OSB?

Can. Moreover, for this it is not necessary to use a metal profile, but it is enough to fasten the material to the base with self-tapping screws.

The main thing here is to the humidity level in the room was not high, because otherwise it can lead to OSB deformation and, consequently, to the plasterboard sheathing. Self-tapping screws are screwed around the perimeter and in the center of the GKL in increments of 10-15 cm.

Painting with varnish and acrylic paint

varnish increases moisture resistance OSB boards. This finishing method is good for use in wet areas. Plates can be painted with any varnish intended for natural wood. The surface is cleaned of dirt, degreased, cleaned with sandpaper and treated with a primer. Varnished OSB has a smooth surface, but retains its texture.

Also a good option for finishing OSB -. It rolls well with a roller on the surface and forms a durable and "breathable" coating.

For the best effect, it is desirable to paint in two layers.

Puttying with gypsum putty

Putty materials do not adhere well to wood. Therefore, it is best to use compounds that have maximum adhesion to wooden surfaces. It can be dry mixtures "Rodband" or "Goldband", containing polymer additives and most suitable for working with wood. As a finish, you can use "Vitonit KR".

Before puttying OSB primed with a special compound, where glue, interlining and a little putty mixture. If this measure is neglected, then the impregnation of the base can act on finished surface, causing the finish to become stained.

How to plaster the surface of OSB boards?

For plastering OSB, it is best to use a special mixture. For instance, Knauf Sevener. The stucco finishing technology itself includes the following steps:

  • The joints between the plates are puttied and pasted over with a sickle.
  • The surface is treated with a primer (you can take Knauf Tifengrund).
  • The first layer of plaster is applied and a reinforcing mesh is sunk into it.
  • A covering and leveling layer is applied on top.

Glass wall sticker

If the plates smooth (polished), wallpaper can be glued directly on them. Otherwise, you will have to plaster and putty the surface, doing this according to the technology described above.

Glass fiber is glued to special compounds. In this case, the dry mixture "Methylan Fiberglass Premium" and the granular composition "Methylan Granulate Premium" are suitable.

Learn how to glue wallpaper on OSB from the video:

How to glue ceramic tiles?

You can paste it in several ways:

  • fix the expanded mesh on the surface and lay the cladding on any adhesive for ceramic tiles;
  • install directly on the OSB board using adhesive for deformable surfaces;
  • use epoxy grout instead of adhesive.

Liquid wallpaper

This type of finish is applied to OSB in the same way as on ordinary wall. All you need is prepare the ground, sealing the joints and treating the surface with a primer.

Behind 12 hours before work starts the composition is kneaded and left in a plastic bag. Finished material applied with a spatula in an even layer from 3 to 7 mm.

One of the advantages of such a material is that it is not afraid of small surface defects. They simply smooth out when applying the mixture.

Is it possible to sheathe a bathhouse and a garage inside the OSB with a slab?

OSB sheets are a material that is suitable not only for finishing residential premises. It can also be successfully used for sheathing or garage.

In the first case, of course, you need to use only eco-friendly grades of material.

OSB in the bath should be processed 2-3 layers of water-soluble varnish, which will give shine to the surface and protect it from moisture.

As for the plating, here suitable OSB of any marking, because in non-residential premises concern for the environment is the tenth thing and the harmfulness of the material does not matter.

From the foregoing, we can conclude that OSB boards are a versatile product suitable for use under different kinds finishes. This quality, combined with the strength of the panels, makes OSB a worthy representative of the sheet materials category.

How to putty OSB with your own hands - a detailed course for beginners:

Wizard's advice

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To Oil paint does not dry out during storage and so that a film does not form on it, place a mug of thick paper on the surface of the paint and "fill it thin layer drying oils.

" plastic film, covering a balcony or a greenhouse, protects the towline from breaking by the wind, stretched on both sides at intervals of 10-15 cm. "

"To work with concrete mix was lighter, clay is usually added to it, but clay reduces the strength of the mixture. Add a spoon to it washing powder per bucket of water. "

"So that the screw, the head of which is hidden behind the barrier, does not rotate with the tightened nut, you need to throw several turns of thread or thin wire on it and slightly tighten the ends. Due to friction, the screw is well held in place. The ends of the thread can be cut off after tightening. "

"It is possible to cut a birdhouse notch without a brace. It is enough to split the front side of the board in the center and cut out half-holes with a chisel or hatchet required size and then put the halves back together. "

Wooden plugs for screws crumble and fall out of the wall. Do not rush to cut a new cork. Stuff the hole in the wall tightly with nylon from an old stocking. With a red-hot nail of a suitable diameter, melt a hole for the screw. Ra fused capron will turn into a solid cork.

" A carpenter's level can easily be turned into a theodolite by providing it with a sighting device from a slot and a front sight. "

"In order for two strips of linoleum to lie end-to-end, it is convenient to use a self-adhesive decorative film, placing it under the base of the linoleum."

"For the nail to go in the right direction and did not bend when driving into a deep hole or groove, it should be placed inside the tube, fixed with crumpled paper or plasticine. "

Before punching a hole in concrete wall, fasten a piece of paper just below. Dust and fragments of concrete will not fly around the room.

"To cut the pipe exactly at a right angle, we advise you to drink like this. Take an even strip of paper and screw it onto the pipe along the sawing line. The plane passing through the edge of the paper will be strictly perpendicular to the axis of the pipe."

"Turn logs or wooden beams a simple device will help - a piece of a motorcycle or bicycle chain, supplemented with a hook on one side and attached to a crowbar on the other side. "

"In order to be able to work with a two-handed saw alone, we recommend using a simple trick: move the saw handle from the top position to the bottom. "

You can cut a piece of slate of the required size with a saw, but it is better and easier to punch holes along the line of the intended cut with a nail with a frequency of 2-3 cm, and then break off the slate on the support.

" The best way glue the tile to the wall: take bitumen, melt and drip only four drops at the corners of the tile. Sticks to the dead. "

Shaped holes in the manufacture of figured window frames are most conveniently cut with a hacksaw with a turned blade.

"Making stained-glass windows is a long and difficult task. You can make a quick imitation of a stained-glass window. To do this, they take thin slats or rods of a vine, glue them to a sheet of glass, and then paint the glass and varnish it."

"If there is no dowel at hand, it can be made from a piece of plastic tube. The body of a ballpoint pen may also be suitable for this. Having sawed off a piece desired length, make a longitudinal cut, about halfway, and the dowel is ready. "

" It is known how difficult it is to hang a door when working alone. But it is enough to shorten the bottom pin by 2-3 mm and it will become much easier to work. "

"A very strong, non-shrinking and sufficiently waterproof putty is obtained from bustilate mixed with any powder - chalk, gypsum, cement!, sawdust, etc."

"If you need to screw into the butt chipboard screw, drill a hole slightly smaller than the diameter of the screw, fill the hole with Moment glue (but not epoxy!), Screw the screw in a day. The plate does not delaminate. However, the resulting connection can be put under load only after a day. "

" Fix portraits, photographs, paintings in wooden frames with glass it is more convenient not with carnations, but with the help of pushpins bent at right angles. The buttons are gently pressed with a screwdriver. Compared to nails, the risk of splitting thin frames is reduced to a minimum. "

"It is not so easy to wrap a screw in hard wood. If you prick a hole for the screw with an awl, and rub the screw liberally with soap, then after such an operation the work will go like clockwork."

To save time, the edge of the wallpaper can be trimmed with a sharp knife without unrolling the roll. To do this, you must first align the end of the roll and with a simple pencil circle the border of the Edge from the outside. Working with a knife, the roll must be gradually turned in the direction of folding.

For carrying large sheets of plywood, glass or thin iron at home, it is convenient to use a wire holder with three hooks at the bottom and a handle at the top.

IF you need to cut a round stick into the distance, this work is most conveniently done using a template. It is made of a metal tube with a groove in the middle. The diameter is chosen so that the template slides freely on the stick.

It will become easier to work with a hacksaw if in its middle part it is increased by 1/3 of the height of the teeth.

If you attach a weight of about a kilogram to the front of the bow saw machine, it will become easier to work. The load must be made removable so that the saw can be used to perform other work.

" A waxy finish can be obtained by painting the surface with diluted PVA glue. To obtain desired color, you need to dilute the glue with water, tinted with watercolors. "

"Make a blade sheath ax is easier simple. A piece is taken, a rubber tube, cut lengthwise and put on the blade. It is protected from jumping off by a ring cut out of old car mobile camera. "

"Do without clamps when gluing wooden frames a linen cord will help. Put four short loops on the corners of the frame and pull the frames diagonally with two long loops. The angles are adjusted with sticks that twist the middle loops. "

"How to silence a creaking floorboard? Between the floorboards, you need to drill a hole at an angle of 45 ° with a diameter of 6-8 mm, hammer a wooden pin smeared with wood glue into it, cut off the protruding end with a chisel and putty the floor surface. "

"To make it easier to scrape a floor covered with varnish or paint, iron it through a damp cloth - and it will become easier to work."

"Slight decay on wood can be eliminated as follows: the affected wood is removed from the healthy layer, and then impregnated with a 10% formalin solution. After drying, the area is puttied and painted over."

" Door hinges they will not creak if they are lubricated in time - this is a well-known rule. But you can do without lubrication. To do this, it is necessary to make a washer from a polyethylene cork and put it on the hinge pin. "

"A failed door latch due to a broken spring can be repaired as follows: the role of a spring will be successfully performed by a piece of rubber tube with a diameter of 15 mm or a piece of elastic rubber installed between the bolt and the latch bodies. "

We offer a simple device for fixing the window frame in the open position: a wooden or plastic plate, in which a number of holes for the latch are drilled. The plate is fastened to the window frame with a screw.

" Cut in sheet material big hole you can do it in a simple way: clamp a nail in a vise (it will serve as an axis) and a piece of a drill (this will be a cutter). The circle is cut by rotating the sheet around the axis. "

It is desirable that the installation of OSB on the walls is carried out by specialists. OSB (oriented strand board) is a material that has gained popularity in the field of construction and home decoration. He is different big amount advantages that allow it to be used in exterior finish dwellings, in the lining of internal walls and the design of partitions in the process of redevelopment. In view of the increasing demand for this material, it is worth considering what are the advantages of OSB boards and where they are used, as well as what finishing methods exist for this material.

Advantages and disadvantages of OSB boards

According to builders, wall decoration with OSB boards has a number of advantages:

  1. Compared to other materials sold in sheets, OSB walls are relatively inexpensive.
  2. The method of manufacture assumes resistance to damage, which ensures a minimum of defects during production, transportation and after installation.
  3. They are lightweight, so the installation of plates on the walls does not carry a large load on the supporting structures. Also, due to the lightness, these plates are easy to carry from place to place and install with your own hands.
  4. These plates look attractive on their own. There are several options for additional decorative finishes.
  5. This material is resistant to moisture, decay, fungal infection and is of little interest to insects.
  6. The strength of the structure of the plates does not prevent them from drilling or processing in any other way.

All these properties make the material suitable for external and internal works. However, when choosing, you should pay attention to the reputation of the manufacturer. For the sake of economy, some firms do not comply with technology, so their products turn out to be of poor quality from an environmental point of view. Such plates can emit harmful substances. Any OSB product does not allow moisture and steam to pass through, therefore, in rooms with such a finish, it is worth taking care of decent ventilation.

Areas of use

There are two main ways to work with OSB boards. Firstly, this is the rough cladding of the main wall inside or outside. This option allows you to reduce the number of joints, align the wall and make it more durable. To achieve such results, it is worth considering a number of points:

  1. The fastening of the material is carried out after 30 cm in the intermediate sections and twice as often at the joints.
  2. The outer edges are attached to the wall every 10 cm at a distance of at least 10 cm from the end of the sheet.
  3. For ventilation, gaps are left between them, which are then filled with sealant. This is one of the main ways to provide ventilation for exterior walls.
  4. When finishing a wall of OSB boards, you should take care of protection from wind and excessive moisture. Taking into account the characteristics of the material for working outside, it is worth using a superdiffusion membrane; foil polyethylene is useful for finishing inside.

Other nuances in the question of how to sheathe a wall with OSB boards are discussed in the following video:

Secondly, to change the layout of the rooms, you can from the OSB. For this, installation on a wooden or metal profiles. Drywall is fixed in a similar way. The difference between OSB partitions is the resistance of this material to deformation, therefore, such interior elements do not bend under their own weight and are more reliably protected from cracks and other damage.

Since wood is included in the basis of the material in chip fragments, in the manufacture of OSB boards they are covered with a special composition. It includes resins, wax or paraffin. It not only has a bonding effect, but also gives the surface evenness and smoothness, therefore additional finishing OSB walls are associated with additional difficulties. Firstly, the outer layer does not differ in adhesive properties. Secondly, some components contain fat and other substances that can seep through the outer Finishing work and spoil the final look, so you should consider options for decorative processing of the material before finishing the OSB walls inside the house.

Paint or varnish finish

Wall painting or varnishing is one of the budget methods decoration of the walls of the rooms. But in order for the layers to lie evenly, and in the future there will be no unpleasant surprises, it is worth considering a number of points.

First you need to inspect all the places where the plates are attached for not fully hammered nails or twisted screws. Such minor flaws can lead to the manifestation rusty spots through the paint. In the case of nails, it is worth using a hammer, because when working with a hammer, not only will there not be a sufficient result, but the wall cladding will also suffer.

If it is planned that internal walls will be painted, for processing joints it is worth using acrylic sealant, since the paint does not fit well enough on the silicone look.

An obligatory stage of work is the surface. It will provide the material with great adhesive properties. In addition, the layer will lie more evenly on the prepared surface and give the appropriate effect. After the first coat of primer, it is necessary to pay attention to the condition of the pile. After such processing, it can rise, and the wall will lose evenness.

To correct this shortcoming, the surface must be treated sandpaper and apply another coat of primer. After that, you can finish the walls of the room with varnish or paint. Depending on the humidity of the room, you can use the option on alkyd or acrylic. In some cases, suitable water-based paint. Some builders recommend acrylic lacquer for walls.

For reliability and aesthetic beauty, it is recommended to apply the coating in 2-3 layers.


Preparing OSB walls for wallpapering

Wallpaper is considered the most popular option for wall decoration, so they are used in rooms with walls finished with OSB boards. Sometimes such a need arises in the process of redevelopment of space. So, before you make a partition, you should make sure that it is in harmony with the rest of the interior.

It can be used if there is a need for the finished wall to become universal for applying any kind of decorative coating. With this type of wall processing, you should pay attention to some features:

  1. Putty is applied to a clean surface. The presence of dust, dirt or traces of other building materials on the wall can adversely affect the quality of the coating, so it is worth washing the wall well before applying the putty composition.
  2. It is worth paying attention that the heads of nails and self-tapping screws are recessed as deep as possible, and upper layer better off with sandpaper. The surface for puttying should be slightly rough.
  3. The joints between the plates are best treated with nitro putty. This will ensure evenness and strength. Alternatively, bodywork putty can be used, since its properties are designed for a moving object. In this regard, the composition has not only lightness, but also great connecting properties, and it does not collapse on the wall for a long time. After finishing preparatory work putty layer is applied.
  4. After applying the composition, you can proceed to the primer of the surface.

This option is convenient because now you can use any primer over the primer layer. decorative material without regard to the features of OSB plates.


OSB boards are universal material for sheathing the walls of the house or decorating the rooms inside it. This raw material is used both to strengthen walls and create partitions. It is quite durable, lightweight and resistant to mechanical stress, moisture, fungus and insects.

In order for this coating to last as long as possible, it is worth considering several factors before fixing the OSB. This is especially true for the distance between nails and screws, as well as the location of the joints. The appearance allows the use of OSB boards without any decorative treatment. However, they can be puttied, painted, varnished or prepared for wallpaper. With the observance of technology, the result will be smooth walls, which will be the basis for any interior and will delight its owner for many years.

Installation of OSB on the walls is carried out on final stage building construction. Depending on the purpose of the building, sheathing is carried out on internal and external surfaces. When carrying out repairs, OSB boards can be used to level the floor. In addition, this sheet material excellent for creating a solid foundation for laying roofing on the roof. Today, oriented strand board is one of the most sought-after materials in residential and commercial construction.

Features of OSB boards

This construction material appeared relatively recently, thanks to inventions in the field of chemistry. OSB boards are glued and pressed wood shavings. Synthetic polymer resin is used as a binder. The chips are laid in layers in different directions. During pressing, the wood is impregnated with an adhesive composition. The result is products that are highly durable and resistant to moisture. Various additives in the adhesive make it possible to use OSB even outdoors.

Based specifications, products are divided into classes:

  1. Standard. It is used for the manufacture of furniture and interior cladding in rooms with normal humidity.
  2. Reinforced. The thickness of the plates allows them to be used to create partitions, walls, ceilings and floors.
  3. Moisture resistant. This material is used for interior decoration with high humidity(pools, showers, bathrooms).
  4. High strength moisture resistant. Plates of this class in terms of strength are not inferior to glued beams. Of these, load-bearing structures are created that experience an increased load.

Finished products can have a raw, sanded, laminated or varnished surface. For creating monolithic surfaces plates are equipped with locks at the ends. The thickness of the OSB varies between 8-26 mm.

Advantages of oriented strand boards:

  1. High strength, which is achieved by using composite material. OSB partitions are more reliable than those made of drywall and foam blocks. They withstand high impact loads.
  2. Ecological purity. Manufactured using components that are safe for humans and environment. The release of harmful fumes does not occur even at high temperatures.
  3. Presentable appearance. The adhesive composition emphasizes the natural beauty of wood. Large chips create a beautiful and interesting pattern.
  4. Resistant to decay, mold, insects and rodents due to factory impregnation with an antiseptic.
  5. Water resistance. Products without consequences endure a long stay in a humid environment.
  6. Flexibility. This quality allows the plates, without cracking or breaking, to change their shape when the house is deformed.
  7. Durability. Since OSB is resistant to influence external factors, their service life can be 50 years or more.
  8. Affordable cost. In production, woodworking waste and inexpensive products of the chemical industry are used.

A definite minus of OSB is their complete airtightness. This property must be taken into account during construction. Properly equipped ventilation system will help to solve this issue.

Preparatory activities

OSB are fixed on a frame made of timber or steel profile. To improve the insulating qualities of the finish, it is recommended to use a heater. Before you start covering the premises, you need to do a little preparatory work. First of all, you need to prepare the tool.

In order to carry out the installation of OSB, you will need:

  • perforator;
  • level;
  • metal scissors;
  • jigsaw;
  • screwdriver;
  • steel profile and hangers;
  • self-tapping screws for metal;
  • plastic dowels;
  • acrylic sealant;
  • antiseptic solution;
  • oriented strand boards 8-10 mm thick;
  • basalt wool;
  • paint brush;
  • rubber spatula.

It is worth thinking in advance about the finish coating of oriented strand boards. To do this, you can use varnish, acrylic paint or washable wallpaper on any basis. Surface coating allowed ceramic tiles, fabric or leather.

Before starting work, it is necessary to treat the walls with an antiseptic. After sheathing, a healthy microclimate should be in the resulting cavity.

Mounting OSB on walls

In order to sheathe the walls with this unique material, no special skill is needed. It's enough just to be careful.

The work is carried out in the following sequence:

  1. The layout of the OSB on the surface is made. Plates can be fixed in any orientation. Cutting is carried out so that there is less waste.
  2. Markings are made on the walls for attaching the frame. It is advisable to choose a step between uprights 58 cm. The width of the insulation is 60 cm. It will hold well between the posts without additional fixation.
  3. Holes are drilled into which plastic dowels are inserted.
  4. With the help of steel suspensions, guides and bearing profiles, the frame is assembled. Its verticality and strength are checked.
  5. OSB boards are sawn into blanks. They are screwed to the frame. The recommended pitch between the screws is 15 cm. The edges of the plates must be on the supporting profile. This will help prevent cracks in the finish.
  6. The seams between the plates are sealed with acrylic sealant. For this, a mounting gun and a rubber spatula are used. Chips and recesses above the screws are sealed with wood putty.
  7. The surface is ground and polished with sandpaper.

Tsugunov Anton Valerievich

Reading time: 4 minutes

What to do if there is an old wooden floor in the room, which is inappropriate to paint or varnish? If the boards stagger and ? You can resort to a labor-intensive and expensive method - to tear off the old coating, make a new one or lay fresh ones. But there is another, more practical, faster and cheaper solution - doing laying OSB on the wooden floor.

This method has its own nuances that are taken into account during OSB laying. Looking ahead, it is worth saying that the basis of technology is proper preparation grounds. Below is detailed guide, following which will achieve an excellent result in terms of leveling the surface of the old wooden floor and subsequent installation decorative coatings: laminate, linoleum, etc.

Tools and materials for work

The list of necessary devices is minimal:

  • crowbar nail puller;
  • hammer;
  • perforator, drill, drills;
  • screwdriver;
  • a large bubble or laser level (with a second tool it will be more convenient to detect irregularities).

Necessary materials:

  • OSB board;
  • fasteners - hardened self-tapping screws with a length of at least 45 mm;
  • washers for screws (their presence is desirable, but not required).

Choosing this method of "resuscitation" of old wooden floors, you need to have an idea about the material used for this purpose in order to choose it correctly. The alignment result directly depends on this.

Characteristics of OSB boards

OSB is a building analogue and chipboard. These slabs are more durable and perfectly adapted for finishing. The material appeared on the market relatively recently. OSB is made from wood chips, which are laid in 3 layers. They stick together special formulations resin based. In this case, the layer in the middle is laid perpendicular to the other 2. Due to this, the resistance of the material to loads is formed.

This parameter is marked with a number. The lower the value, the lower the resistance to stress and the effects of destructive factors such as humidity. For example, index 2 means that the OSB board is not moisture resistant and is not able to withstand intense long-term loads. And the number 4 indicates that the product can be used as an overlap that will not collapse even when exposed to moisture.

The material for laying on the floor is selected on the basis of the mentioned designations in order to form an even rough surface. You should not save on the quality of OSB-plates. This is fraught with the need for laying an additional layer, which is expensive and inconvenient. The best option- OSB 3 board.

The question often arises: “Do I need a substrate for OSB?”. From a practical point of view, no. The wood itself is excellent. thermal insulation material, and if we take into account that it fits on wooden planks, no padding is needed. But sometimes, to achieve the maximum possible soundproofing effect, it is still used.

Foundation preparation

Correctly performed preparatory stage- this is more than half the success of floor leveling work. Thorough research first wooden surface. This is done using bubble or laser level. All protruding, as well as loose parts are marked, so it will be easier to strengthen them.

The next step is to securely fix the boards. Some experts recommend doing this with dowels, but a more reliable option would be to pull loose elements with self-tapping screws to the lags. It is necessary to fix the old coating as securely as possible. To do this, you can use several mounts in one area. The result is considered ideal when the “walking” floor fragments are recessed or level with the rest.

  • The gap between the wall and the slabs must be at least 10 mm;
  • Plates should not be closely adjacent to each other. The minimum gap between them is 3 mm.

Attention! Slots are needed in order to avoid the "crawling" of the plates on top of each other, deformation of the decorative floor covering. This is due to the expansion of the material due to changes in humidity.

Laying process

After completing all the preparatory work, it remains only to tighten the plates with self-tapping screws to the old wood flooring and fill construction foam gap between OSB and wall. After the foam dries, it is cut flush with the flooring.

The plates are fastened with self-tapping screws around the perimeter every 20–30 cm, but this distance can be reduced. Some experts recommend that you prepare the holes first, but with a screwdriver you can quickly and efficiently tighten self-tapping screws without pre-drilling.

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