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We answer your questions about flooring

Our FAQs about flooring
Flooring is not a product that people tend to change very often and, because of this, there may be questions that you have. We have put together a list of frequently asked questions about flooring, but if your question is not answered below, feel free to send an email to moc.regge@gniroolf, or call our service centre.

Flooring is a product that can be found in a wide variety of materials, it is literally "Walked allover" and has to withstand a very wide range of loads. However, floor coverings are also an item of furniture/ a design element that accompanies us every day for many years. The decision-making process for the right floor covering is therefore dependent on many different factors/ properties (area of application, robustness, installation, decor...).

With the following information/answers to the most frequently asked questions we would like to support you in your choice for your new floor.

If you have any further questions, please contact us by e-mail at moc.regge@gniroolf-troppus or call our Technical Customer Service/ Application Engineering.

General questions

Which European standard is the CE mark based on?

The CE mark is based on the European EN 14041 standard and ensures that the product properties correspond to the requirements regarding health, safety and energy conservation.

What does the PEFC sign mean?

PEFC (Programme for the Endorsement of Forest Certification) stands for sustainable, responsible forestry and the controlled further processing of the natural product wood. This ensures that our forests are preserved as a natural resource, place of work and recreational area for future generations. The PEFC is an internationally recognised framework for the certification of wood and wood products.

Is EGGER flooring suitable for wheelchair users?


Which type of chair and furniture castors may be used on EGGER flooring?

Type W (soft)

What are utility classes?

Floor coverings for interiors are classified in so-called utility classes according to ISO 10674, labelling the application area of a certain type of flooring. There are utility classes from 21 to 23 and 31 to 34, which differentiate between the application areas “Residential” and “Commercial” - with moderate, normal and heavy use. Classification by utility class is intended to facilitate consumers and fabricators with the choice of flooring for the right application area. To ensure uniform labelling, the utility class is shown with standardised pictograms.

How can electrostatic charge be prevented?

Static charges of persons may cause an electrostatic discharge when they come into contact with metal. Static charging of persons is an entirely normal process. If these charges cannot escape from the body – before they have reached a certain level, the individual can receive an “electric shock” when touching metal objects. The sensation can arise with static charges of more than 2 kV (kilovolts). The static charge cannot escape from the body if the ambient relative humidity is below 40 % and when the individual is wearing shoes with electrically insulating soles. Under normal climatic room conditions, a static charging of an individual of above 2 kV is not to be expected with laminate flooring. Only laminate flooring that has been tested, certified and is labelled accordingly pursuant to EN 1815 is considered antistatic according to the applicable standards. Highlighted EGGER laminate floors ensure the static charging of an individual UP < 2 KV and comply with the requirements of EN 1815 (verification of electrostatic properties).

What is abrasion?

"Abrasion is understood as being the wear of the abrasion layer. With complete wear of the abrasion layer, the decorative layer is affected and destroyed. Abrasion resistance for laminate flooring is divided in the classes AC1 to AC5 according to EN 13329. EGGER laminate flooring has abrasion resistance within the range of classes AC3 to AC5. EGGER Design and Comfort flooring is subject to the Euro standard 16511. Abrasion resistance is defined directly by the number of turns reached and assigned to the utility class, for example NK31 > 600, NK32 > 4,000 turns. The same applies here: the higher the value, the higher the abrasion resistance."

What is HDF?

HDF means high density fibreboard. HDF boards consist of fine fibre wood fibres pressed with resins and adhesives under high pressure. The density of an HDF board should be at least 850 kg/m³. Due to their high strength and low material thickness, HDF boards are mainly used as coreboard for laminate flooring as well as for multi-layer, modular floor coverings. Furthermore, EGGER type “HDF Swell barrier+”, HDF Aqua+ and UWF coreboards are especially resistant against the effects of moisture, therefore offering increased protection against edge swelling.

What is a synchronised pore?

A deeply textured surface is synchronised with the decor image to produce an authentic woodgrain finish, which closely imitates knots and grains.

What are bevels?

Bevels are the slanted edges of individual plank or tile designs that build an intended V joint when installed.

Questions about Laminate flooring

What leads to swelling in laminate flooring?

Swelling along the edges is usually due to moisture penetrating the joints or surface of the boards from above. However, this moisture must act on the boards for an extended period of time in order to cause swelling.

Which thickness is optimal for laminate flooring?

The thickness of the floor is not decisive for the suitability of the laminate flooring in the given application area. What matters is for the selected laminate flooring to have the right utility class allowed and recommended for the application area.

What type of material is laminate?

Laminate flooring is a floor covering for indoor use containing over 90% of the raw material wood. It is constructed using several components, which are permanently fused together using pressure and temperature. The individual components are: abrasion layer, decorative paper, high density fibreboard and balancer paper.

How is laminate flooring disposed of?

Laminate flooring is classified as ecologically harmless household waste, which means it can be disposed of in landfills or incineration plants. Waste code for fabricators: 170201, waste code for end consumers 200138 (sorted) or 200307 (bulky waste).

Is laminate flooring conductive and can it be used for example in server rooms and/or OPs?

Conductive flooring is always required in cases where rooms have special requirements. These are, for example, IT and control centres, operating rooms, intensive care units and explosive areas. In these cases special installation of suitable flooring is implemented and connected to the building potential equalisation system (earthing) by a master electrician. Due to the physical properties of wood-based materials, it is not possible to install laminate floors with derivation ability.

Why laminate instead of tiles, linoleum or parquet?

There are many advantages of laminate flooring. As compared to tiles, parquet or linoleum rolls, laminate flooring is often cheaper and can be easily installed by non-professionals. The surface of the laminate flooring is more resistant to stress than parquet or linoleum, and, thanks to their light-fastness, decors do not fade even after many years. Furthermore, laminate poses no hazard for health, is easy to care for, and has an exceptional Environmental Performance Assessment. There is something for every taste thanks to the large choice of decors and formats.

What is the right way to clean laminate?

Most dirt can be kept out by having appropriate doormats. For the rest of the floor, it is recommended to use the brush attachment on your vacuum cleaner. Depending on the frequency of use and amount of dirt, you should also wipe the floor with a damp cloth or mop regularly. Take care to also clean the floor’s bevels in longitudinal direction. For optimum cleaning we recommend Clean-it, the EGGER system floor cleaner. The moisture-resistant EGGER Aqua+ laminate flooring can also be cleaned with steam cleaners.

Which cleaning substances can be used on laminate flooring?

A suitable cleaning and care product does not build up any layers and does not aggressively penetrate into the edge areas. Using unsuitable cleaning agents can cause layers to form, which over time may build up on the laminate flooring like a film and can thereby cloud the surface. Our system-specific Clean-it floor cleaner was especially developed for this purpose. It is available as part of our accessories range.

Is laminate flooring suitable for people with allergies?

Due to its sealed surface structure and the simple and easy cleaning, laminate flooring is particularly suitable for individuals suffering from allergies.

Can laminate flooring change colour or fade over time?

EGGER laminate flooring as well as Comfort and design flooring are light-fast and resistant to UV exposure (sun light). There is no unwanted discolouration or fading of the decor image in the course of use.

Why do gaps form in installed laminate flooring?

Laminate flooring is an organic product and consists mainly of wood fibres. The elements can expand or shrink depending on climate conditions. In our installation instructions, we therefore specify that the ambient air temperature should be at least 18° C with relative humidity between 40 % and 70 % before, during and after installation. Given these ambient conditions, the movement of the elements is not visible.

Why do laminate boards sometimes suffer deformations after installation?

Warpage and buckling (one-sided moisture absorption from below) occur when the laminate flooring elements are not sufficiently acclimatised prior to installation - that is, they are not sufficiently adapted to the room climate and/or, in the case of a mineral subsoil, the installed laminate floor surface is insufficiently protected from rising subsoil moisture with the help of a so-called “vapour barrier”.

Why does the surface of laminate boards suffer distortions?

Distortion of the floor is generally caused by non-existent and / or under-dimensioned expansion / movement joints. Even minimum contact points with fixed structural components are sufficient to cause the distortion of individual elements at a different location.

How are stains removed from laminate?

For stains such as coffee, tea, lemonade, fruit or milk, use lukewarm water with a conventional acidic household cleaner if needed. Tough stains can be removed locally with commercial stain removers such as white gas (benzene) or thinner. These products will not damage the laminate flooring in any way. However, always apply the solvents with a cloth and never directly onto the laminate flooring. Make sure there is sufficient exposure to fresh air and subsequently use water to neutralise the cleaned areas.

Which fire class does EGGER laminate flooring adhere to?

The combustibility of laminate flooring is classified via so-called flammability classes. Since the introduction of the CE mark pursuant to EN 14041 for laminate flooring, the fire behaviour is tested according to DIN EN 13501-1. EGGER laminate flooring is tested according to EN 13501-1 and classified for the Euro Class Cfl–s1.

Is laminate suitable for installation in conservatories?

Yes, if the room climate is kept stable and our specifications (see installation instructions) are observed.

Can steam cleaners be used on laminate flooring?

As a rule, no. Only EGGER Aqua+ laminate flooring may be cleaned with a steam cleaner. It is important to constantly move the steam cleaner.

Questions about installation

Which EGGER flooring is suitable for underfloor heating?

All EGGER flooring is suitable for underfloor heating, whether using warm water or electricity (the thermal resistance of the entire flooring structure must be < 0.15 m²K/W) if the supply and operation temperature can be controlled digitally, and a maximum surface temperature of 28°C can be controlled and is not exceeded. Detailed information in this regard is available in the installation instructions.

Is there a specific installation direction for laminate flooring - longitudinal or transversal?

Flooring surfaces consisting of individual floor boards, such as EGGER Laminate, Comfort or Design flooring look best if the boards are installed parallel to the light incidence. However, there are no binding indications regarding the direction of installation. Exception: If wooden board flooring has been used as a sub-floor, the installation must be at right angles to the boarding.

How is laminate flooring cut?

The cutting and fitting of the individual elements can be done with a commercial immersion saw, circular table saw, and/or jigsaw. In all cases, the finest possible teething and suitability for wood processing are recommended. Resulting sawdust should be vacuumed off. Alternatively, there is also the option of cutting flooring elements with so-called “laminate punches”.

How much offcut should be considered?

In the case of regular installation in standard rooms with square or rectangular flooring surface, the necessary quantity of Laminate, Comfort, or Design flooring can be calculated with an average offcut of 5 %. Measured floor surface (m²) + 5% offcut = order quantity flooring (m²).

How is the last row of a laminate, Comfort or Design floor surface installed?

In order to prepare the last row to be cut to size and installed, place the flooring elements to be built in at the planned position exactly on the row before the last. By means of a residual floor board (element width + edge joint width) it is possible to transfer the wall structures to the floor board within a pre-chosen distance. The adjusted / cut-to-size floor boards are then clicked into the row before last.

When is it possible to install a laminate flooring on screed?

When the screed meets the criteria regarding moisture, evenness, load-bearing capacity and cleanliness (it is ready for installation). The same applies to all other types of subfloor.

When can laminate flooring be exposed to loads following installation?

EGGER Laminate, Comfort and Design flooring with floating installation can be accessed and used immediately after installation.

What is a vapour barrier for?

A moisture protection film, also called vapour barrier, protects the floor against the possibility of rising subfloor moisture. In the case of floating installation of EGGER Laminate, Comfort or Design flooring on mineral sub-layers (e.g. screeds/tiles), a moisture protection film with an SD value ≥ 75 m must always be installed as vapour barrier across the entire surface. Individual strips must overlap 20 cm in the joining areas.

What is an expansion gap?

All wood-based organic materials are subject to a certain degree of movement (shrinkage/expansion) due to changes in climate conditions within the room (temperature and air humidity). By means of sufficient expansion joints towards all fixed structural components, the finished flooring is not restricted in movement behaviour. As a fundamental principle, expansion joints in a width of 8 mm to 10 mm (0.31"" to 0.39"") must be formed towards fixed structural components such as walls, door frames, pipe conduits, pillars and stairways etc.

Is laminate floor suitable for installation on tiles?

Yes, as long as the tile floor meets the criteria regarding moisture, evenness, load-bearing capacity and cleanliness - in other words, it is ready for installation.

How are floor profiles fixed on the sub-layer?

With most profile types, the base (sub-profile) intended to accept the cover profile must be installed on the subfloor prior to installing the laminate flooring using drill holes and screws.

What evenness guidelines apply to the subfloor when installing EGGER Design flooring?

A maximum deviation from the evenness >2 mm/m, for both floating installation and full-surface gluing.

What are the requirements/criteria that apply to the subfloor?

Prior to installing a floor, ensure that the subfloor is sufficiently prepared for installation. This means the subfloor is able to bear loads, dry, clean & even (max. deviation from evenness 2.0 mm/m). Suitable sub-layers are all types of screed including hot water-heated screed, wooden chipboard structures, fibreboard and ceramic tiles.

Is laminate flooring suitable for installation underneath a kitchenette?

It is of course possible to first install EGGER Laminate, Comfort and Design flooring and then place built-in kitchens and built-in cabinets on top. However, it is highly recommended for built-in kitchens and built-in cabinets to be assembled prior to installation and the EGGER flooring should be placed only until under the plinth panel. On the one hand, this prevents unbalanced loads and fixation of the flooring surface (particularly in the case of floating installation) and also makes subsequent removal straightforward.

Is it possible to replace damaged laminate floor panels?

Yes, in the case of floating installation of the laminate flooring.

Is carpeting suitable as insulation sub-layer for laminate floor?

Textile floor coverings do not constitute a suitable sub-layer and must be removed prior to the installation of Laminate, Comfort or Design flooring. Reasons include that carpeted floors may yield excessively under load, and that carpeting is so-called directional for production technology reasons. This would be transferred directly to flooring with floating installation. Hygiene aspects are another consideration, as carpeted floor may rot underneath other floor coverings.

Are transition profiles necessary between rooms (in doors)?

Yes, in the case of floating installation, motion profiles are always necessary in doors. Place the flooring elements on the subprofile (basis) on both sides with a distance of 8 - 10 mm. The resulting motion gaps are covered by the top profile.

Are transition profiles necessary in large rooms?

Yes, in the case of floating installation of EGGER Laminate and Comfort flooring from a room length/width > 10 m and in the case of floating installation of EGGER Design flooring from a room length/width > 15 m.

What is the maximum room size (length x width) that can be covered without motion profiles?

The maximum surface that can be covered with floating installation in the absence of motion profiles is of 10 x 10 m in the case of EGGER Laminate and Comfort flooring and 15 x 15 m in the case of Design flooring.

Is it obligatory to install an underlayer and, if yes, which?

Yes, in the case of floating installation (only for private uses) it is necessary to use an underlayer. To achieve proper installation, we recommend the use of the system underlayer EGGER Silenzio Duo.

What is floating installation?

In the case of floating installation, the floor covering is installed with no permanent connection to the sub floor and only the individual flooring elements are joined to each other at the tongue and groove (click system). It allows the flooring to freely move on the sub floor, i.e. to “float”.

Where are skirting boards used?

Skirting boards are needed to cover the expansion gaps towards the walls and to create a harmonious skirt moulding. The matching solution can be found in the EGGER accessories programme.

Is it also possible to acclimatise the floor in partially opened packaging?

Yes. Slightly damaged packaging is not a big problem. What matters is that the flooring is stored in the room where it will be installed, or in a room with similar climate prior to the start of installation.

Is it necessary to observe a head offset?

Yes, the minimum offset for all EGGER flooring is 20 cm. Exception: Long boards (“Long” format) have a minimum offset of 50 cm.

What glues can be used for the full-surface gluing of EGGER Design flooring and EGGER Aqua+ laminate flooring?

Only the glues listed and approved under should be used for the full-surface glueing of EGGER Design flooring and EGGER Aqua+ laminate flooring. All specifications provided by the adhesive manufacturer, for example fitting and setting times, must be observed.

May I install regular laminate flooring in the bathroom?

No. Only EGGER Aqua+ laminate flooring, which is labelled accordingly, may be installed/used in the bathroom.

Can you install EGGER Aqua+ laminate flooring or EGGER Design flooring in a shower cabin?

No. EGGER Aqua+ laminate flooring as well as EGGER Design flooring is only approved for wet areas. Wet areas are rooms with elevated but not permanent moisture/liquid exposure and/or periodically high ambient humidity. Examples of wet areas include bathrooms, kitchens, hallways and entrance areas.

What additional products/tools are needed to install laminate flooring?

Thanks to the click connections, installing laminate flooring is fast and easy. The cutting and fitting of the individual elements can be done with a commercial immersion saw, circular table saw and/or jigsaw. In all cases, the finest possible teething and suitability for wood processing are recommended. Resulting sawdust should be vacuumed off. Please be sure to use appropriate eye and ventilation protection. Alternatively, there is also the option of shortening flooring elements with so-called “laminate punches”. Folding rules (metre stick) and square are needed to measure the edge boards. A spacer is necessary for the right wall distance. Depending on the floor and type of sub-layer, a suitable underlayer and moisture protection film (vapour barrier) are needed. Floor profiles and skirting boards are also needed for the transition areas and wall ends.

How should laminate floor be installed around heating pipes?

The position of the pipes should be measured first and marked on the laminate panel (please take into account the expansion gap). Cut out the hole for the pipes at least 16 mm larger than the pipe diameter using a hole saw. Then use a jigsaw to cut from the outside longitudinal side of the board, which faces the wall side, at an angle of 45°, towards the hole circle. Then place the sawed piece and glue to the panel installed previously.

How is laminate floor installed on stairs?

When installed on stairs, the laminate floor panels must be cut to match the stairs and glued to the sub-layer. Stair profiles (special floor profiles) are used for the edge/wall ends.

When is a levelling compound needed and when is it allowed to install laminate floor on it?

A levelling compound is used to balance uneven areas in the installation sub-layer. Only once the sub-layer and the levelling compounds have dried/hardened (observe the manufacturer’s instructions), can the installation of the laminate flooring begin.

Why is laminate floor installed floating?

Because laminate flooring is designed accordingly, and, like all organic materials, it is subject to certain movement behaviours (shrinking/expanding) due to fluctuating room climate conditions. In the case of this type of installation, the floor covering is installed with no permanent connection to the sub floor and only the individual flooring elements are joined to each other at the tongue and groove (click system). This means that the floor can move freely on the subfloor, which is called "floating".

How are damaged areas of laminate flooring repaired?

Small damage to the surface can be masked / removed with the system-relevant EGGER repair paste Decor Mix & Fill or commercial hard wax systems.

How is the first row of laminate flooring installed?

Depending on the planned installation direction, it should first be checked from which room side installation is due to begin so that difficult installation scenarios can be avoided. Subsequently, the room must be measured to determine whether the width of the first row of boards should be reduced. This will be necessary if the last row is calculated to be less than 5 cm wide. The method for installing the first or the first two rows depends on the click system in use. Follow the installation instructions.

Why does laminate floor need to be stored inside the room for 48 hours?

In order to make sure the laminate flooring elements adjust to the room climate, their expansion is stabilised, and the clicking / locking of the elements functions optimally.

Does the sub-layer have to be even?

The sub-layer must be prepared for installation, which means the subfloor must be dry, able to support loads, even, and clean. Use a max. 2  mm gauge (vertical deviation) at 100  cm intervals. Larger deviations should be handled with suitable measures (e.g., with self-levelling compounds).

Does the carpet adhesive also need to be removed before installation?

The sub-layer must be prepared for installation, which means the subfloor must be dry, able to support loads, even, and clean.

Can laminate floor be lacquered subsequently?

No, the fully and permanently sealed surface of a laminate flooring produced with the established gloss level cannot be processed and/or resealed. Subsequent lacquering or sealing of laminate flooring is neither needed nor allowed.

How is a deep scratch repaired?

So far we are not aware of any process by which such a scratch can be fully removed. However, the scratch can be laminated and filled using retouching and a paint stick.

Can a margin / wall gap be installed?

Yes, in order to allow for the flooring movement/expansion behaviour and to ensure the sound decoupling from the remaining structure (to the walls), a wall gap of at least 8 - 10 mm must be integrated when installing EGGER flooring. In the case of rooms of above-average sizes and/or special climate conditions / fluctuations, it is recommended to increase the wall distance accordingly. Commercial skirting boards are generally able to cover edge gaps of up to 17 mm.

What is ambient sound?

Ambient sound refers to the sound that occurs and is perceived when walking on flooring in a room.

What is impact sound?

Impact sound is the sound generated when walking on flooring and perceived in rooms on lower levels.

What are floor profiles for?

Floor profiles are required to cover transitions, edge finishes and expansion joint areas. In the case of floating installation, motion profiles in doors and starting from a room length of more than 10 m are always needed. Place the laminate flooring elements on the subprofile (basis) on both sides with a distance of 8 - 10 mm. The resulting motion gaps are covered by the top profile.

Which sub-layer is suitable for installing laminate flooring?

Prior to installation, it should be verified whether the installation sub-layer is suitably prepared. This means that the subfloor must be dry, even, clean and able to provide a supporting surface. Suitable sub-layers are all types of screed including hot water-heated screed, wooden chipboard structures, fibreboard, PVC, linoleum, natural stone boards or ceramic tiles.

Can laminate flooring be sanded if the surface is damaged?

No, laminate flooring cannot be sanded. However, individual laminate floor boards can be replaced.

Can I cut EGGER Design flooring with a knife?

Cutting through with a knife is not possible. However, shortening the Design floor boards by cutting on both sides the front and the back using a cutter and controlled bending over a breaking edge is possible.

Does EGGER Design flooring get so hot in direct sunlight that the surface softens and it cannot be accessed?

No, that's not possible.

How large is the maximum deviation from evenness allowed for the under-floor?

Maximum deviation from evenness < 2 mm/m.

What are fixed structural components?

e.g. walls, door frames, pipe conduits, pillars, stairways.

What relative air humidity must be achieved prior to, during and after installation?

A relative air humidity of between 40 % and 70 %

What should the surface temperature be prior to, during and after installation?

A floor surface temperature of at least 15°C.

Does the Design flooring have to be acclimatised before installation?

Yes, for 48 hours, because a wood-based coreboard (UWF coreboard) is used.

Can laminate floor be installed on top of old flooring?

Laminate flooring can be installed on top of existing flooring, such as PVC, linoleum, natural stone slabs, ceramic tiles if they are still in a suitable state and considered to be ready for installation in line with the installation instructions of the laminate flooring. Any other old floor coverings and in particular textile flooring must always be removed.

Are clean-off zones necessary?

Every type of floor covering must be protected from coarse dirt and water/snow through suitable clean-off zones. For this reason, entrance areas must be fitted with a properly sized clean-off zone / doormat. In commercial applications where the flooring surface leads directly outside, an appropriately sized clean-off zone that allows 3-4 steps should be built into the floor structure.

Is EGGER Laminate, Comfort and Design flooring suitable for installation and use in the proximity of wood stoves?

Minimum distances to wood stoves / stoves must be observed in line with EU regulations and national construction rules.

What is thermal resistance?

Thermal resistance (unit: m² K/ W) is the resistance of a structural component to the transmission of heat. The greater this value is, the better the insulation characteristics are. In order not to impair heating performance, the thermal resistance of the floor structure (floor surface + insulation underlay) should not be more than 0.15 m² K/W for the installation of flooring on a warm water in-floor heating system.