Fields are one of the most important components of a room; it affects not only the interior of the room, but is also responsible for many technological properties. The first step in arranging this part of the room is leveling the concrete floor. On this moment on construction markets There are a huge number of materials with which you can make a screed. However, most of them require the addition of a wet component, due to which they take a very long time to dry. However, there is a technology by which you can continue further work with the floor the very next day, it is called Knauf-superfloor.

Knauf technology was invented by the company of the same name, which first began producing plasterboard sheets already in the 50s of the last century. In truth, such a dry screed is associated precisely with the use of plasterboard materials.

The Knauf superfloor laying technology is a modified version of the dry prefabricated screed. Knauf is a combination of bulk fine-grained material on which sheets of gypsum fiber material are laid. Due to this design, the soft bulk substance is compacted and becomes hard and becomes highly resistant to physical pressure.

The backfill for such a floor is fine-grained expanded clay, one granule of which does not exceed 4 mm in size. This sand is poured in a layer of 3 to 10 centimeters and leveled along correctly constructed beacons. Next, the embankment is covered with durable and fairly thick gypsum fiber sheets.

GVL or gypsum fiber sheets consist of a mixture of gypsum and cellulose. Unlike their plasterboard counterparts, they do not have a paper layer. This material is durable, fireproof and absolutely environmentally friendly.

According to German technology, the thickness of the Knauf screed should be no more than 20 cm thick.

The upper elements for the Knauf floor are two GVL sheets glued together, the dimensions of each of which are 1200x600x20mm. They are superimposed on each other with a slight offset of 5 cm, due to which locks are formed, along which the structures are connected to each other using self-tapping screws and glue.

Advantages of Knauf dry flooring

The Knauf backfill floor was called “Superfloor” for a reason. It has many advantages over wet screeds, which is why it is very popular in the field of apartment finishing. To make it clearer to you why this technology is considered so convenient, we advise you to familiarize yourself with the list of its advantages and disadvantages.

Advantages of Knauf superfloor:

1. Knauf flooring technology does not involve the use of wet substances. This feature makes it possible to use it in residential apartments, without the risk that moisture will penetrate into next room, not in need of repair.
2. Do-it-yourself installation of such a floor is a very real task. All materials are quite lightweight, and their installation requires only the equipment that almost everyone has.
3. Having installed the Knauf flooring system, you can immediately begin installing the finished floor covering.
4. Loose floors can be as thin as 8cm, so they don’t take away much from the height of the room.
5. If necessary, you can dismantle such a floor in a matter of hours. To do this, you will need only 2 tools: a jigsaw and a shovel.
6. Weight Knauf designs not very large, therefore, unlike a traditional screed, it does not have a strong impact on the supporting structures.
7. Knauf smart floor has thermal insulation properties, due to which there is no need to put additional thermal insulation elements on top of it.
8. Even a wooden floor cannot compare in its soundproofing properties with Knauf flooring.
9. Knauf prefabricated floor structures are an environmentally friendly and fire-safe material.

As you can see, the list of advantages of such a dry screed is quite long. It can be used not only in new buildings, but also for leveling the floor residential apartments. It is also ideally suited for structures such as warm and floating floors.

Disadvantages of Knauf flooring

Leveling floors using Knauf technology has virtually no disadvantages. Of course, the price of such a screed is slightly higher than that of traditional materials, but it pays off through a number of other benefits.

Some people believe that when laying Knauf on the very top floor, you can do without a moisture-proof film laid under expanded clay sand, but this is not so! Such a film carries not only water repellent properties, it resists the formation of condensation and serves as additional thermal insulation.

Another disadvantage of Knauf superfloor is its instability to moisture. However, not a single type of screed is waterproof. Fortunately, in the event of flooding, damaged parts of the Knauf floor can be replaced with minimal losses.

What is needed to install Knauf dry floors

There are several options for laying Knauf superfloor. The most complex of them involve the use of additional heat-insulating and sound-proofing materials, for example, polystyrene foam and porous fiber components. We will consider the most traditional option, which requires only sheets of gypsum fiber, as well as expanded clay mound.

View prices and technological characteristics necessary materials, you can visit the Leroy Merlin website.

First of all, you need to prepare necessary materials and tools. Only if you have all the components you will be able to quickly and efficiently install the Knauf screed.

Tools and materials required for installation of Knauf superfloor:

• GVL sheets, in slightly larger quantities than needed for the area of ​​the room in which they will be produced renovation work.
• Expanded clay backfill, the granules of which will not exceed 4 mm in size. For one square meter you need 20 liters of this material.
• Self-tapping screws (preferably from Knauf). For one square meter you need 12 screws.
• Special mastic or PVA glue.
• Edge tape, the footage of which will correspond to the perimeter of the room.
• Putty Knauf. For one square meter you will need 200 grams of putty mixture.
• Film with a vapor barrier effect. It is necessary to take 20 centimeters more film than is needed for the floor.
• Primer Knauf.
• Roulette is usually level.
• Drill and jigsaw.
• Drywall knife.
• Lighthouses.

Having everything necessary tools and materials, it will be easy for you to fill in expanded clay and lay gypsum fiber board sheets on it. You can purchase original materials Knauf company or find high-quality analogues from other manufacturers.

Knauf flooring technology

When you have acquired all the tools and materials, you can proceed directly to installing the floor. However, before this it is necessary to carry out some preparatory work, namely: remove protruding pieces of nails and reinforcement and cut off all large irregularities with a metal spatula. After this, you need to clear the surface of debris, and you can proceed directly to the installation of the Knauf structure.

Knauf floor installation step by step:

1. A vapor barrier film is laid on the floor. If you do not use a whole material, but several parts, then the overlap of the canvases on each other should be 20 cm.
2. It is necessary to lay the edge strip along the walls so that one edge of it melts on the floor and its surface rests against the wall. This stage is necessary so that after the GVL shape changes due to temperature, the floor does not lose its attractive appearance.
3. Now you can install beacons. To do this, parallel slides-strips (no more than 10 cm high) of expanded clay are poured at some distance from each other, beacons are pressed into them and leveled.
4. Expanded clay is poured between the beacons and leveled using the rule. The beacons are removed, and the grooves from them are covered with the same backfill.
5. Installation of gypsum fiber board sheets should take place from the wall opposite to the floor. You need to lay a path made of gypsum fiber board to it so that you can move without deforming the backfill.
6. On one side of the slabs that will be adjacent to the wall, the edge is cut off so that in this place the slab turns out to be double. Next, the slabs are laid row by row. In this case, the slabs of each row are shifted relative to the previous one by 2.5 cm.
7. The folds of the previous row must be lubricated with adhesive before laying the next one. After assembling the entire structure, the glued joints are additionally fastened using self-tapping screws, in increments of 2.5 cm.

DIY Knauf loose floors (video)

Knauf-superpol is modern way leveling the floor. It has a number of advantages over traditional screed, which is why it enjoys ever-increasing hype. Use this technology in your home, and you will not notice how the renovation is completed!

The floor is an integral part of the room and affects not only the interior of the room, but also such indicators as temperature and humidity, and the level of thermal protection. Therefore, the international company Knauf, working in the field of construction materials production, has developed the Knauf-superfloor technology, which allows you to quickly complete high-quality installation subfloor for further installation of the finishing coating.

Knauf-superpol - what is it?

Knauf-superpol is a team design or a system that allows you to avoid “wet work” on the concrete screed and, accordingly, reduce technological interruptions associated with its drying.

Elements This system consists of glued gypsum fiber sheets, offset by 50 mm relative to each other, due to which folds are formed around the perimeter. The Knauf superfloor element has a total thickness of 20 mm and dimensions 1.2×0.6 m. With such a thickness, the floor element weighs little, but the resistance to loads of its surface reaches 20 MPa.

Dry soil serves as a leveling base for the elements of this system. backfill made of expanded clay (with a fraction size of 0−5 mm), ideally filling the space and having excellent thermal and sound insulation, as well as fire protection characteristics. If the expanded clay granules are larger, a slight characteristic crunching sound can be heard when walking in silence.

System floating Knauf flooring, as it is also called, has a number of benefits:

• reduction deadlines installation The Knauf-superfloor system allows you to complete all the work in just a few days and not have to take a technological break for the screed to dry - you can start laying the finished floor covering immediately. However, according to the recommendations of experts, you should not touch the dry screed for several weeks if the thickness of the backfill layer is more than 5 cm, since with such a thickness the backfill material will shrink by approximately 15 mm;
• The main advantage of this system is absence wet work. Laying dry screed can be carried out without fear in a room where the renovation has already been completed;
• sound and heat insulation. Expanded clay backfill prevents noise penetration and heat loss;
• floating floor technology creates base, which is ready for further coating and does not require additional leveling of small differences and irregularities inherent in sand-cement screed. This means it saves both time and money. Since the base, assembled from Knauf-superfloor elements, is smooth and even, any type of flooring can be laid on it, be it linoleum, laminate, tiles, and so on;
• unlike cement-sand screed, dry screed is lightweight and does not load the floors;
• It is possible to lay pipes or wiring directly in the dry screed.

Knauf-superfloor is laid on wooden and concrete floors in rooms with a non-aggressive environment. When laying a waterproofing layer, this system can also be used in showers and bathrooms. This system is especially relevant in conditions of reduced loads on floors or when “wet” work is excluded.

When is the Knauf system relevant?

Such floors have a wide range of possibilities and, in some cases, can be done at low cost. Use dry the screed is convenient:

• to eliminate differences in the floor base over 40 mm. This applies to apartments of old buildings, where a serious difference in elevation is the norm;
• when installing electrical wiring and water supply systems after completion of repairs;
• with limited time frames for repair work;
• Possibility to install a floating floor low temperatures air;
• when the logs become dilapidated.

Construction of a dry screed

Dry screed installation work Knauf begin with measurements of the covered floor area and its horizontal level. This can be done using a building level, making notches on the wall indicating the deviation of the base from the horizon. The notches are then connected using a ruler and thus the required layer of expanded clay backfill is determined. The expanded clay layer should not exceed 100 mm. The required volume of backfill is determined based on 50 kg (1 bag) of backfill to cover 1 m². But this relationship is true in the case when the previous floor covering is completely dismantled.

For installation floating floor you will need:

• Super PVA glue;
• Knauf-superpol elements;
• self-tapping screws for gypsum fiber sheets;
• expanded clay backfill;
• vapor barrier;
• construction tape;
• edge tape or polyurethane foam sealant.

It is more advisable to use edge tape when the wall curvature is up to 2 mm/m.p. If this indicator is higher, it is better to fill the gap between the wall and floor base sealant, the excess of which, after hardening, is removed with a sharp knife.

After cleaning On the base of the floor, a vapor barrier (polyethylene film) is spread from small debris and dust with an overlap of about 200 mm on the walls. On top of this film, using a thick gypsum mortar, beacons are installed at the marked level, for example, aluminum slats for laying plasterboard slabs, with a pitch of 900 mm. When laying elements systems on a wooden supporting base, instead of polyethylene film, corrugated, waxed paper or glassine is used.

The space between the beacons is filled with expanded clay the fraction that is being leveled building rule. When forming a layer over 5 cm, the backfill must be thoroughly compacted.

Process styling Knauf-superfloor elements start from the corner. The edge adjacent to the walls is trimmed. All elements are mounted using the tongue-and-groove type, with the seams coated with glue and then connected with self-tapping screws with a pitch of 100 mm. Experts emphasize that when screwing in the screws, you must be on the sheet that is being screwed.

The first row of elements is carefully levels out at the intended level, since the installation of other parts of the system will depend on this. The regulated gap between the wall and the gypsum fiber sheets - 1 cm - is subsequently filled with polyurethane foam sealant. After all the sheets are mounted, the finished base must be vacuumed.

Nuances

This design of the floor base allows the result to be durable coating capable of supporting the weight of the loaded passenger car. However, in order to avoid unpleasant “surprises” when using the assembled flooring, professionals recommend sticking to a few rules:

• Before installation, the elements of the Knauf-superfloor system must be adapted to the room where they will be installed.
• GVL sheets should be stored on a flat surface strictly horizontally.
• The base layer of expanded clay should not deviate too much from the horizontal level.
• when installing a base from Knauf sheets in wet rooms, in addition to the mandatory laying waterproofing tapes along the walls, the surface of the mounted elements is covered with a layer of waterproofing. By the way, the manufacturer Knauf also produces them.
• When finishing coated with a thin elastic material, the base is covered with a layer of no more than 2 mm of self-leveling putty.

As you can see, the process of constructing the Knauf superfloor uncomplicated, saves not only time, but also money, allows you to reduce loads on floors, increase the level of noise and heat protection, and also level the floor covering complex configuration. The only disadvantage of this foundation is its vulnerability to moisture in case the neighbors above flood it. However, for the neighbors below, after installing the Knauf superfloor, additional sound insulation will be a gift.

Preface. Many people want to install a Knauf superfloor with their own hands in a room or on a balcony. Floors using this technology are lightweight, unlike concrete floors; in addition, they are warm and reliable. When installing a superfloor, less dirt is generated than when self-leveling floors. We will analyze the construction of Knauf floor elements on our own and show video instructions for installing dry floors at the end of the material from professionals.

4. Laying floor elements

The main rule when installing floor elements is not to move the sheet along the backfill. You just need to place the sheet on top of the expanded clay backfill and secure it. Although this is not so easy to do, since one sheet weighs about 17 kg. By doing the work together, it will be much easier to lay down rough coating. On all sheets running along the walls, the fold is removed.

5. Fastening sheets with screws and glue

The sheets are laid on the floor with the seam offset, similar to brickwork or insulating the facade with foam plastic. The floor element consists of two gypsum fiber sheets glued together, so there remains a field for attaching the sheet with self-tapping screws. Each sheet of Knauf flooring is fastened along the entire perimeter with wood screws every 10-15 cm. For greater strength, the manufacturer recommends gluing the seams with PVA.

Features of Knauf superfloor technology

Dry screed Knauf superfloor is faster than concrete screed. This is a prefabricated system that significantly reduces the labor intensity of leveling and insulating the floor. Knauf floors significantly reduce the load on the floors, as they distribute the weight; in addition, the expanded clay layer significantly increases the thermal insulation of the premises. Typically, floor elements are laid on top of expanded clay filling with a fine fraction of up to 5 mm.

Laying floor elements is quite simple, but requires some skill. This technology has many subtleties; following the manufacturer’s instructions will give excellent results. To install a superfloor with your own hands, watch the video tutorial from professional builders and study the process thoroughly. You should not rush into this matter in order to end up with perfectly smooth and warm floors in your house.

Preface. Many people want to make a KNAUF superfloor with their own hands. There are many reasons for this - the floors are light, unlike concrete floors, which makes them strong for many, in addition, they are warm, environmentally friendly and reliable. During installation, less dirt is generated than during pouring. In this article we will analyze the structure of floor elements, the technology of laying dry Knauf screed with our own hands and show video installation instructions.

The floor in the house should be warm, environmentally friendly and durable, perfectly flat, capable of withstanding high mechanical loads. Almost everything Decoration Materials meet the requirements if laid on a well-prepared subfloor. Knauf superpol – innovative technology for creating solid foundation on which you can lay any floor covering, including wooden floors.

What is Knauf Superfloor dry screed?

Laying Knauf superfloor video instructions

The floor element is a KNAUF-superfloor product made of gypsum-fiber moisture-resistant sheets (GVLV), for installing a “dry” screed with your own hands - a prefabricated floor base.

Installing a Knauf superfloor is a cleaner method of leveling the floor by laying gypsum fiber sheets on a layer of expanded clay, which has thermal insulating properties.

Due to small fractions of expanded clay, not only high-quality floor insulation is achieved, but also floor leveling, and flat surface The subfloor is made with a durable platform - Knauf floor elements fastened with glue and self-tapping screws. As a result, you can do the floor screed yourself without unnecessary dirt and wet work.

Required set of materials and tools:

- polyethylene film;
– floor element KNAUF-superfloor;
– edge tape;
– expanded clay;
– screwdriver;
– jigsaw;
- PVA glue;
– self-tapping screws for gypsum plasterboard;
– measuring instruments: tape measure, pencil.

Do-it-yourself Knauf superfloor installation

Laying Knauf superfloor on polystyrene foam

1. Spread the film on the base

To perform a vapor barrier, a regular film of 50 microns is used. The film is laid with an overlap of 10-15 cm on the walls and an overlap of at least 20 cm. Along the perimeter of the room, between the film and the gypsum fiber sheets, an edge strip of porous material is laid to the height of the expanded clay backfill.

2. Place beacons in the room

The manufacturer's instructions do not use beacons, but without sufficient experience you can make mistakes when leveling the mixture yourself. An inverted profile is used as beacons. The profile lies flat on the floor, and expanded clay is poured between its edges. The contact of the metal with the elements of the Knauf floor is minimal, so the floor will be warm, regardless of whether the dry Knauf floor is laid on polystyrene foam or on a wooden floor.

3. Scatter and level the expanded clay

Don't cover the entire floor; there is enough surface area to lay several sheets so you can walk around the room without problems. At the same time, expanded clay crumbs will not fall on the joints of the sheets when they are laid. It is worth noting that you can install Knauf superfloor on a wooden floor or on a concrete one.

4. Laying the floor elements

The basic rule during installation is not to move the sheet along the surface of the backfill. Just carefully place the sheet on top and secure. Although this is not easy, since the sheet weighs 17 kg. Working together, the sheets are stacked much easier. Before laying, the seam on the sheets along the walls is removed so that the gypsum plasterboard layer is the same.

5. We fasten the sheets with screws and glue

The sheets are laid offset, similar to brick laying. The superfloor element consists of two gypsum fiber sheets glued together with an offset, which is why there is a field for fastening with self-tapping screws. Each sheet is fastened with self-tapping screws every 10-15 cm. For strength, the manufacturer recommends gluing the seams with PVA glue.

Features of Knauf-super technology

Laying Knauf superfloor on a wooden floor

Dry screed is much faster to complete than concrete screed. This is a prefabricated floor system that reduces labor intensity and avoids wet processes. Knauf floors reduce the load on the ceiling and increase the heat and sound insulation of rooms. Usually the superfloor is assembled on top of an expanded clay screed with a fraction of up to 5 mm.

Despite its simplicity, laying floor elements is not primitive, but requires skill. The technology has many subtleties, compliance with which will give good result. To install a Knauf superfloor with your own hands, you should not rush, watch the video and study the process thoroughly in order to carry out all the work yourself.

Knauf floor elements are truly practical and convenient system to level the floor. They are designed to create the ideal base for any coating. These elements can be used for almost any type floor coverings In addition, they can improve the heat and sound insulation of rooms.

This type of flooring is designed to create a subfloor with normal humidity and dry conditions. Can also be used in rooms with high level humidity: bathroom, kitchen. In addition, they are perfect for both reinforced concrete and wooden floors.

Manufacturing materials

Knauf floor elements are the result of recent developments, representing a combination of structural elements that are used to create a seamless floor surface. They are produced by gluing 2 hydrophobic gypsum fiber sheets, which gives the floor high strength and resistance to various types mechanical impact.

Pros and cons of technology

If we compare the technology of laying dry screed and traditional screed, we can immediately name the main pros gender Knauf:

• deadlines, because dry screeding is done in 1-2 days, which does not slow down the repair process;
• lack of dirt due to lack of wet technologies;
• simplicity of the process;
• not required special equipment;
• easy to hide communications;
• good thermal and sound insulation;
• comparative lightness of the screed, which can be placed even on wooden base;
• the result is a coating of high strength and perfectly smooth;
• you can lay any finishing coat, and immediately after completion of work.

From shortcomings The following floor elements can be noted:

• Instability to moisture. This technology cannot be used for basements and ground floors and unheated rooms. In addition, you should not install this floor in a room with high humidity.
• Great height. This drawback can interfere if the room does not have the ability to raise the floor.
• Price. The Knauf floor element is more expensive than its analogues.

At this stage, one of the highest quality and simple ways preparation bases for installation decorative covering is a loose floor or prefabricated dry screed floor.

It consists of the following parts:

• A floor element that creates an even, rigid layer on which any finish can be laid.
• Dry backfill is a leveling layer that will tightly fill all the unevenness in the slabs.
• Edge tape - to suppress impact noise.
• GVL screws are a fastening element.
• PVA glue is necessary for gluing EP sheets together.
• Vapor barrier - to protect dry backfill from steam from the lower floors.

Installation technology for Knauf floor elements

If concrete base is already ready, then you can start the process installation Paul Knauf. First you need to cover the floor surface plastic film, the thickness of which is not less than 200 microns. This steam and waterproofer will protect the floor surface from the negative effects of wet steam penetrating from the lower floor. This will increase the time frame operation material.

Next, along the entire perimeter of the room at the junction of the walls and floor, you need to lay edge material. This is a good sound insulator, a lifesaver if you have noisy neighbors. After this, the preparation stage is considered completed.

Now you need to fill in the insulation expanded clay. They need to fill the entire area of ​​the room. But it is important that the thickness of the heat insulation layer is at least 2 cm. If this is not taken into account, then in the future the floor may begin to sag.

Bulk material will lie unevenly on the floor, so it is important to level out. To do this, metal guides are placed on it, which are set at the same level. horizontal plane. For this purpose you will need building level and the rule. According to the guides, they usually pull towards themselves, thereby leveling the expanded clay.

After this, it’s time for direct installation. GVL slabs Knauf floor elements are glued together with offset two sheets of gypsum fiber. The result is folds that will play the role of locking joints.

The first sheet is placed in corner premises, and the edge of the fold is treated with glue. The second sheet must be attached to it so that the folds are connected, and a reliable and durable joint is obtained. But such a connection is considered fragile, for this reason screws are used for additional fastening. They are placed along the line of folds at a distance of 5 cm. In this case, the plates will not diverge, and cracks will not form.

Now all that remains is trim projecting edge edge tape and also do finishing floor surface. Of course, it is not recommended to paint such a coating, but you can put linoleum, laminate, tiles or something like that on it.

As you can see, Knauf floor elements are truly good an option for those who want to finish repair work quickly and not have to deal with dirt and dust from cement.