What is better OSB or drywall. Comparison of drywall boards and osb. Why plaster is still relevant

The modern range of building and finishing materials is wide and diverse. Here you can find almost any material, or rather what meets all your technical needs or personal preferences. For example, OSB, drywall (GKL) or gypsum chipboard (GSP). They have a lot in common, so they are used to interior decoration. On the other hand, they have many differences and features. Preference should be given based on the specific requirements of the upcoming repair, decoration or cosmetic repairs and partial rescheduling.

So, the difference is based on raw material and the composition that forms a particular material. So, the GSP slab consists of 83% gypsum, 15% wood chips and 2% moisture. Drywall is 91.1% gypsum, 5.78% cardboard and the rest is water. Outwardly - a core of gypsum and covered with two layers of thick paper or cardboard. OSB is presented sawdust(95%), on the quality and breed of which the properties largely depend future plate, and a certain amount of impregnation, that is, paraffins and glue. In some cases, it is additionally treated with wax, which increases the moisture-resistant qualities. With regard to drywall, everything is simple: the middle layer is a hardened mixture of gypsum, and the entire sheet is a core glued to cardboard. OSB, like gypsum board, are made in compliance with strictly defined temperature parameters and under a certain pressure. Hence their high strength and wear resistance.

Today you can buy GSP or OSB, GKL of any desired size. Especially if you contact the manufacturer. For example, gypsum board comes in the same sizes as drywall. And the interior decoration with this material is also simple and convenient. OSB is slightly different in size. Here the main thing is the uniqueness of some of their properties. Namely:

• OSB is highly moisture resistant. This is the presence of special impregnations, and the use of paraffin in the composition, and rubbing the plate with wax. The absence of gypsum;
• the environmental friendliness that GSP has is the highest: the complete absence of glues and resins, mastics and paraffins in the composition. During the production of the material, these substances are not needed;
• ease of installation and cost savings. This quality is important, but tracking it is not so easy. So, GSP is more profitable and economical to use, because it is easier to make corners and bends with it than drywall. OSB in these qualities is close to gypsum board, and these properties completely depend on the type of wood and the impregnation from which it is made;
• lightness or density. OSB has a density of 650 kg / m³; GSP - 1100-1200 kg / m³; GKL - 750-800 kg / m³. You can immediately see what is easier and what is harder. Lightness speaks not only about the physical weight, but also about the degree of reliability of the structure. It is easier and more convenient to work with light sheets, but it is worth remembering that you can also easily break through a drywall wall.

Now a little about the areas of application. Today, interior decoration of both GSP and OSB premises is widespread. Everyone has their own preferences. The most popular material is drywall, followed by gypsum board, which is convenient to work with. In addition, the floor, walls and ceiling made of GSP have high strength, environmental friendliness and are endowed with a lower consumption of primer, grout and paint, which are necessarily used in interior finishing work.

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4. Subject to the assembly technology of suspended plasterboard ceilings they long years retain their original appearance.
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Repair always involves a certain waste of time and money. Everyone is well aware of this and strive to save both. That is why the question of what to choose: plaster or drywall will never lose its relevance. Both materials have already gained confidence (one earlier, the other later, but with equal success). But who can be trusted more, people have not yet decided. Let's try to sort out the doubts.

Why is stucco still relevant?

It would seem that this finishing material should have long and hopelessly lost its position as obsolete. However, it continues to be used, and in the eternal rivalry, which is more reliable and better: plaster or drywall, confidently keeps on a par with a competitor. And all because it has some qualities inaccessible to it.

1. If the plastering work is carried out at the proper level, you won’t have to return to it for 30 years. Yes, you will change the wallpaper, re-paint or re-tile the tiles, but there will be no need to restore the foundation.
2. high cost plastering works- the main argument when choosing between plaster and drywall sheets. However, this is a myth blown up to incredible proportions. The work of a professional, of course, is not cheap. However, the drywall masters will cost you a pretty penny. But with regard to Supplies plaster is simply incomparable with plasterboard. If we consider impartially, it will cost 2-2.5 times cheaper than the famous designs.
3. When choosing between plaster or hl, first of all, you should think about the reliability of the resulting surfaces. First resistant to impacts and absolutely indifferent to water. The second can be broken through by hitting it well with your elbow, and from moisture it swells and deforms.
4. The main advantage of plaster is that any heavy objects can be attached to it without fear, from air conditioners and water heaters to heavy bookshelves and dish cabinets.

Disadvantages of plaster mixture

However, nothing is perfect in the world. Drywall strengthens its position due to the inherent shortcomings of plaster.

1. Plastering is a dirty process that requires cleaning, and not only in the room where the work is being carried out: their traces somehow imperceptibly spread throughout the apartment.
2. An important argument against plaster is the delay in time. Before proceeding with the final finish, you need to wait until it dries.
3. With large defects in the walls, it is extremely difficult to achieve their smoothness with a plaster layer.
4. And the main thing: without being a professional builder, you are unlikely to be able to accurately determine how well the plasterer worked. All troubles will appear already when painting or wallpapering, when it will be too late to make claims.

Positive and negative qualities of drywall

Consider for a start the advantages of the GCR.

However, all this bouquet of amenities is accompanied by a set of some inconveniences and limitations.

1. A room surrounded by a plasterboard structure loses some volume. AT individual cases- much.
2. Nothing heavy on drywall surface you won't hang it. Even under the chandelier, you have to make a hole in the casing and fasten it to the floor slab. And the fragility of the walls does not please.
3. The dismantling of final coatings with gypsum boards is associated with certain difficulties. If the wallpaper is still being removed from the puttied surfaces, then in many cases the tiles have to be torn off along with the sheets.
4. Mold, insects, and even rodents can start between the sheathing and the wall. This is especially true in private homes. So before starting the construction of structures, you need to take care of preventive measures.

However, in thought: plaster or drywall - often the pros of the latter far outweigh its cons.

So what to choose?

Ceteris paribus, a person decides to sheathe or plaster, based on his own considerations. However, there are situations in which a certain finishing material becomes indispensable.

• In small rooms, it is worth abandoning the GKL: it will steal from you an already insufficient area.
• Where there is no need for perfect smooth walls- pantry, basements - preference should be given again to plastering.
• Plaster becomes the only way out in unheated rooms. For example, on summer kitchen or cottage.
• If you need to hide pipes, meters or wiring, drywall is the best choice.
• If deadlines are pressed, drywall constructions allow you to quickly move into a renovated apartment.
• In a cold room, it would be wise to choose frame sheathing with insulation pad.
• Where heavy objects will hang, or in rooms with high constant humidity, we again return to the plaster.

Finally, I would like to note that if you settled on a sheathing option, you should not puzzle over which is better: OSB or drywall?

GKL will cost you less and will give you much more flat surface. And OSB is only suitable for non-residential premises - it gives not very useful formaldehyde fumes.

The term "OSB boards" or "oriented strand boards" is commonly referred to as construction material new generation, obtained as a result of processing wood chips waterproof resins under high temperature and pressure conditions.

OSB boards consist of three layers of "wood wool" and wood chips conifers, having a length of 6-9 cm, located in opposite directions. That is, in the two outer layers, the chips are in a parallel position with respect to each other, and in the inner part of the slab - in a vertical position, located perpendicular to the other layers. Due to this structure, the material has a high mechanical strength and flexibility.

Impregnation with waterproof wax and resins and pressure pressing high temperatures and pressure allows OSB boards to acquire a uniform structure throughout the entire width and length and prevents the formation of voids and cracks in them.

Thus, the output is a high quality material made of pure wood, without small debris, with high technical and physical characteristics. It does not rot, is not affected by fungi and bacteria, and, unlike natural wood absolutely non-flammable.

That is, at its core, OSB can be called "improved wood", which has all of its best qualities, as well as greater strength and elasticity, and free from such disadvantages as the presence of knots and a change in the direction of the fibers during the natural growth of the tree.

Thus, if you evaluate this material using a standard scale with a five-point gradation, it can be assigned "five" for practicality, ease of use and environmental friendliness.

This is how the OSB plate looks like in the photo

Varieties of OSB plates and their differences

According to the degree of moisture resistance and strength, OSB boards are divided into several main types:

The most sought after among listed species are . Applying to this species material on the previously used five-point rating scale, it can be noted that it deserves solid "fives" in such categories as environmental Safety, functionality and appearance.

However, given the fact that OSB cannot be attributed to the number of inexpensive, democratic materials, it can be rated "four" for its cost. In addition, reviews on the operation of panels and OSB sheets mostly positive.

Moisture resistance indicators OSB boards can be presented in the form of a table:

That is, the most moisture resistant board is OSB-4, which also has the highest strength characteristics.

According to the method of finishing, it is customary to distinguish OSB of the following types:

• Lacquered (on the one hand, such plates are covered with a special varnish).
• Laminated (having a laminated coating). A material of this kind can be used repeatedly (up to 50 times), for example, for the manufacture reusable formwork in the production of concrete works.
• Tongue-and-groove (having machined groove-ridge ends on two or four sides). Such plates can be laid over the entire surface area.
• Sanded.
• Unpolished.

One of interesting varieties oriented strand boards purchased in recent times great popularity, are Wall panels kronospan, hallmark which can be called high quality.

They have exceptional consumer characteristics: they hide surface irregularities and flaws well, do not burn and are excellent insulators.

OSB-3 is the basis for the manufacture of sandwich panels. Under this term, it is customary to understand energy-saving structures of a three-layer type, consisting of two oriented strand boards, between which there is a core made of solid polystyrene foam, which acts as a heater.

Due to their excellent thermal insulation, sandwich panels can significantly reduce the cost of heating and cooling rooms, providing an optimal vapor and air barrier and limiting air penetration.

In addition, sandwich panels have excellent soundproofing characteristics and high strength. In practice, it has been proven that structures built from this material are several times stronger than wooden structures. frame type etc.

In the form of plates and panels, which can have a wide range of sizes.

However, the following parameters are considered standard for this material:

• 1220 x 2440 mm;
• 1220 x 3660 mm;
• 1250 x 6000 mm;
• 1250 x 2500 mm;
• 1250 x 3700 mm.

The thickness of the panels can vary from 6 to 22 mm.

OSB or plywood: which is better

Due to the fact that OSB is a relatively new material that appeared on our construction market not so long ago, it is often compared with other finishing materials that have managed to “win their niches” in construction industry. We are talking about plywood and drywall.

Plywood is a building material made from natural wood veneer glued together in several layers using a special adhesive.

If we compare OSB boards with plywood, we can note the following key points, which are sufficient strong arguments in favor of the first

• The production of this material is carried out from cheaper raw materials. (OSB is made from wood chips, while plywood is made from wood veneer). That is, economically it is much more profitable and less demanding on the quality of the feedstock.
• The manufacture of OSB boards is an environmentally friendly process that does not pose a threat to environment and a person.
• OSB can be recycled.
• Plates made of this material are characterized by a uniform structure. They do not have knots, pockets and other flaws characteristic of wood.
• The shear strength of OSB boards exceeds that of plywood.
• With the same parameters and dimensions OSB sheets weigh less than sheets of plywood.
• The strength of OSB does not change with changes in the humidity of the plates.
• OSB lends itself much more easily to any type of processing, unlike plywood, which can be destroyed by careless handling.

However, according to some indicators, plywood is still ahead of OSB panels.

These include:

• Less susceptibility to shrinkage and deformation during operation.
• Good fixation of fasteners in the layers of the sheet.
• Ability to create curved structures.
• Best decorative qualities. This moment refers to plywood higher grades made from high quality wood (birch, cedar). However, if there is decorative coating OSB boards are in no way inferior to plywood sheets in aesthetic appeal and ergonomics, and, on the contrary, they can even surpass them in this parameter.

In general, it is quite difficult to answer which is better, plywood or OSB, since both of these materials have a lot of undeniable advantages and positive qualities and deserve the highest marks in terms of quality.

Drywall or OSB: arguments in favor of the application

The term "drywall" refers to the material used for various kinds finishing and consisting of plaster placed between two layers of cardboard.

Its main advantages:

• Small cost.
• Light weight.
  Ease of installation and subsequent finishing.
• Good breathability.
• Environmental Safety.

In comparison with OSB, you can see that drywall is more fragile, that is, it requires a more careful and accurate attitude. However, due to its technical and physical characteristics, this material the best way suitable for interior decoration and has a much lower cost.

Thus, the question: “Which material is more profitable and more promising: OSB, plywood or drywall?” Can be called insignificant. Each of them has their positive sides and areas of application.

For example, if we are talking about the interior decoration of walls and ceilings in rooms - the best option can become drywall, consisting of natural ingredients, excellent consumer qualities.

OSB boards and panels, due to their moisture resistance and affordable price – the best choice for frame-panel construction, unlike plywood, which, with the same set of characteristics, is somewhat more expensive.

As for the features of the choice of these materials, the brand, manufacturer, thickness and dimensions are of decisive importance here. For example, when buying OSB, it is better to give preference to North American or European-made plates that are of higher quality and contain a minimum amount of harmful impurities.

A few more words about OSB boards:

Smooth walls are the basis of the aesthetic appearance of the interior. At the same time, this calms the pride of the owner of the apartment, making repairs. Relatively low cost and ease of installation make these finishing options budget. It is not surprising that most citizens tend to make drywall walls with their own hands.

Finishing technology is simple. It is necessary to use a profile, fiberglass. When choosing a paper gypsum board, take into account the characteristics of the room. Strengthen the joints with tape. Consumption is calculated per 1 m 2 and taking into account cutting.

Alignment of walls with plasterboard and OSB boards

Plasterboard and OSB finishing is similar. The installation technology and the complexity of the work are the same.

1. Wall preparation and leveling.
2. Attaching sheets with glue.
3. Additional fixation with metal fasteners.
4. Seam sealing.
5. Stucco finish.

The difference is in the material that forms the basis of the GKL and OSB. Drywall - paper base and gypsum as a binder. Smooth surface drywall walls does not require processing for wallpapering. It is easy to drill and cut. Plasterboard wall cladding with your own hands is not difficult. Its cost is much lower. negative quality-poor vapor permeability.

OSB boards are made from natural material- large wood chips. The binding material is vegetable resin. A board with good vapor permeability and low thermal conductivity, close to solid wood. Wall cladding with OSB boards requires additional work. The joints are sealed with tape, fiberglass is attached to the surface under the plaster. Glue wallpaper and paint without leveling OSB surfaces impossible.

Wall cladding with eco-friendly tiles has disadvantages. These include high cost and processing complexity. Self-tapping screws are poorly included in OSB. Cutting is done by a grinder. This releases fine dust. Solutions containing lime should not be used. But at the dachas, OSB is used as a finishing material. Lacquered or waxed wall cladding with pressed wood chips looks great.

Types of drywall and purpose

Gypsum and cardboard in it are hygroscopic. Installation of ordinary sheets is possible in dry rooms with a constant temperature. In the rest, plasterboard wall cladding is done with the selection of special grades that are resistant to moisture and fire. Additionally, fiberglass can be used for protection. But it is better to make a plasterboard wall from a more expensive material that matches the microclimate of the room. The technology of installation and fastening does not change.

Choosing the right slabs wall material a table will help you for sheathing.

Decorative drywall has a laminate or plastic face covering. The consumption of panels takes into account the dimensions of walls and sheets, cut to close everything with a minimum number of seams. Correctly before installation, make a calculation of materials: self-tapping screws, fiberglass, tape. Glue better on special composition taking into account the wall material and the presence of profiles.

Preparing walls for plasterboard finishing

Wall cladding on a metal frame allows you to close all the irregularities of the wall. Crabs connect the profile, suspensions allow you to set it vertically. Fastening is done in the places of formation of seams. You can close the protruding beam and make a flat wall. The size of the room is reduced. The consumption of paper gypsum board is less. Profile costs are added and the work becomes more complicated.

It is better to glue the plates on the wall on your own without using the frame. Wall cladding is cheaper, given the size of drywall - it's easier. The beam can be sheathed, turned into decor. Fasteners from self-tapping screws and the consumption of crabs are saved.

Leveling drywall walls without a frame requires careful surface preparation:

• plaster cleaning;
• removal of protruding fragments;
• primer coating of wall material;
• marking the location of the seams.

As a frame for drywall for walls with a large difference in plane, instead of profiles, it is better to make base platforms from scraps. Approximately the size of a profile crab. The installation work will go faster and the time consumption will be less if you install at the bottom and along the perimeter of the openings start profile using self-tapping screws. Then the walls can be closed exactly horizontally.

Installation of drywall on walls and sealing joints

It is better to glue drywall on the wall special solution. Consumption is determined by the surface roughness. For horizontal alignment, installation will simplify the starting profile. Vertically, it is set according to the level. Side ends plates are pressed tightly, drywall joints are tapped for alignment. Then the tape is pasted.

After the glue dries, additional fastening of the plates to the wall is made using self-tapping screws. Before you seal the seams on drywall, they must be coated with a primer. Correctly apply the composition with a brush along the joint, impregnate the ends. Top seams are fixed with mesh tape. Then putty is applied. To strengthen the entire surface, it is necessary to glue the fiberglass correctly, placing the canvas with an overlap from top to bottom.

Under ceiling beam cutouts in the plates must be made in advance, before installation. Dimensions are transferred to drywall. The connection is then sealed and masked with tape.

Decorative interior elements made of drywall

If you want to make drywall columns, then you need a profile. Installation of the structure is done using crabs and self-tapping screws. Need to do secure fastening to the floor. Lay vertical strips at the seams. Crabs are placed on the inside.

After that, begin the installation of the drywall column with slabs. Seam tape is not suitable. A perforated L-profile is required. It aligns vertically and provides strength. Fiberglass is used to strengthen the surface. Correctly position it vertically. If used under a column standing beam, then the frame is not needed.

If desired, niches are made in the wall of drywall. For this, plates of medium thickness are selected. When making a drywall shelf inside the recess, seal its end with decorative tape. Dimensions cannot exceed the distance from the wall to the frame.

Fasteners with the use of crabs. After finishing the seams with tape, you can glue it on drywall shelves. Used to create niches and columns wooden frame under drywall.

Surface preparation for tiles