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  • <h1>Our glossary from A to Z.</h1>

    Our glossary from A to Z.

    The most frequently requested technical terms

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Are you looking for a definition of a specific term? In our glossary, we define the most frequently requested terms from A-Z. Just click on the first letter of the word you are looking for – if you don't find an answer to your search, please also feel free to have a look at our FAQs or do not hesitate to contact us.

 

    A

  • Abrasion classes

    The abrasion class is determined in tests by mechanical stress. Depending on how long a floor covering withstands exposure to sandpaper, it is classified in one of the wear classes between A1 (the lowest resistance) and A5 (the highest resistance).

  • Abrasion resistance

    Wear resistance of wood depends on the density of the wood. The wear resistance of finished substrates varies depending on the type of surface treatment (oiled, waxed, sealed).

  • Acrylate

    Synthetic resin, which is a component of paints, varnishes and adhesives.

  • AD (Air dried)

    AD refers to the natural wood drying process, in which the wood is dried by the ambient air rather than by technical means.

  • Adhesive net

    Fabric placed under mosaic parquet, which holds together the installation units.

  • Airborne sound

    Acoustic sound generated by talking, music and walking in a room.

  • Alder

    Reddish-yellow hardwood with a medium hardness. Exposure to light causes it to darken rapidly, giving it a reddish-brown colour.

  • Annual rings

    Refers to the ring-shaped grain of the wood of a perennial plant, especially a tree, visible in cross-section.

  • Ash

    Hard hardwood with a colouration that can turn out whitish, light yellow, but also olive-brown. A special feature is the distinctive annual ring patterns, which give the ash wood a vivid surface appearance.

  • B

  • Basic cleaning

    Removal of heavy soiling that cannot be removed by maintenance cleaning. In the process, the old cleaner residues are removed, so that a new initial care must be carried out afterwards.

  • Bending stiffness

    Describes the resistance to deflection of materials.

  • Biocides

    Biocides are chemical substances used to control living organisms. These include, for example, fungicides and insecticides that damage the human organism.

  • Blind bottom

    Subfloor, which is not a screed, but wood-based panels or boards.

  • Blueness

    Blue fungi occur mainly in softwoods and transform wood constituents due to sufficient moisture. The altered substances and the fungus itself cause a colour change that persists even after the fungus dies.

  • Braiding pattern

    Is a classic parquet installation pattern in braided look, which is created by parallel arrangement of the strips and right-angled rotation of such formations. This also includes the cube formation.

  • Brinell hardness

    Measurement in which the degree of hardness of wood is determined. Determines the mechanical resistance of wood to mechanical point loads. The resulting degree of hardness is important for wear resistance.

  • C

  • Care treatment

    Is also referred to as initial treatment and is done by applying a sacrificial layer by appropriate care product after the final cleaning of the building.

  • Cassette

    Is a classic installation pattern. Cube-like dressing with four vertically arranged parquet strips bordered by four circumferential bars.

  • Center position

    Support layer for multi-layer parquet and floor, which is made of wood-based materials or softwood.

  • Chamfer

    Bevelled surface on a plank at 45° or 60° to the plane.

  • Chateau planks

    A term for room-length solid wood planks. Like the name, these planks are magnificent and need suitable large rooms.

  • Cherry tree

    The medium-hard wood has a yellowish to reddish colouration as well as a strong annual ring pattern and darkens into a reddish brown.

  • Clamps

    Clamps, which are made of spring steel and are used for a floating installation of certain wooden boards. This type of installation is also called installation with clamps.

  • Click connection

    When installing with a click connection, the tongue and groove interlock seamlessly by simply snapping into place. This allows for easy, fast, glue-free and floating installation, which allows for disassembly and re-installation without any problems.

  • Cork

    Elastic, renewable natural material obtained from the bark of the cork oak and processed into a fine-grained granulate.

  • Country style plank

    Multi-layered plank with a layer of wood, which includes a continuous lamella or two lamellas glued next to each other. The installation is carried out as in a floating manner often using a click connection.

  • Country style planks

    The country style planks, like the chateau planks, run through the entire room – without interruption.

  • Creed drying

    Gradual heating of the damp screed, leading to readiness of covering. Takes place after the functional heating.

  • Cube

    Is a classic installation pattern and is also called a checkerboard pattern. In case of this pattern, the parquet strips are arranged in squares and alternately aligned horizontally or vertically.

  • D

  • Decorative wax

    Pigmented wax used for colour treatment of wood surfaces.

  • Density

    Ratio of mass to volume of a material.

  • Dispersion

    Heterogeneous mixture in which the substances neither dissolve into each other nor chemically combine. They are water-based solid particles that are distributed evenly for a short time by vigorous shaking.

  • Distance spacers

    Distance spacers are small blocks made of wood or plastic, which are used for temporary fixation of the expansion joint between the plank and rising structural component. After installation, they are removed again.

  • Douglas fir

    The reddish-yellow softwood has a plain to decorative wood grain and darkens when exposed to light. Douglas fir is a medium hard wood and less susceptible to moisture. A special variant is the Douglas fir wood from North America, known as Oregon Pine.

  • Dry screed

    Ready to lay screed elements made of anhydrite, concrete, gypsum fibre materials or brick.

  • E

  • Elasticity against wear

    Prevents muscle fatigue on parquet floor so that the muscles of the feet and legs do not fatigue.

  • Electrical resistance

    Is measured in ohms. Wood has an electrical resistance of 10⁸ to 10¹⁰ ohms. For this reason, wood is a good insulator and has a slight electrostatic charging power.

  • End grain wood

    Also referred to as head grain. Wood in which the cross-section is the usable area and in which the annual rings are partially or even completely visible.

  • Expansion joint

    Necessary distance of a wood floor from all rising structural components with a width of 10 to 15 mm. The joint creates enough space for the wood to expand during the natural swelling process and is concealed using skirting boards.

  • Exposed joint

    If very wide planks are installed, it is recommended to provide them with an exposed joint of about 2 mm between the individual planks.

  • External tongue

    Loose wooden tongue used for installing round grooved parquet strips.

  • F

  • Felt gliders

    Adhesive or screwable protective caps made of felt to be placed under furniture legs.

  • Fibre direction

    Indicates the direction of the wood fibre in the tree trunk. A distinction is made between radial direction and tangential direction.

  • Final cleaning of the building

    Cleaning, which is carried out immediately after installation.

  • Floating screed

    Liquid anhydrite screed, which due to its consistency runs smoothly and by itself.

  • Frame

    Frame, which surrounds a door.

  • Frieze

    Decorative edge finish, which clearly stands out from the overall surface.

  • Front side

    Narrow side of the wooden planks.

  • Functional heating

    First heating of an underfloor heating system after installation of the screed to check its defect-free construction. This is followed by screed curing, which leads to the drying of the screed.

  • Fusible filler

    Filler for repairing scratches or damage. It must be heated and then included.

  • G

  • Groove

    Is the counterpart to the tongue in the tongue-and-groove connection of floor planks.

  • Grout solution

    Filler for large joints.

  • H

  • Half-offset formation

    Is a classic installation pattern in which the parquet strips are staggered by half and arranged parallel to each other in absolute regularity. This installation pattern looks strict, but calm and is well suited for small rooms.

  • Hard wax

    Consists of natural or artificial components and is used for surface treatment of wooden floors. Wax is characterised by high abrasion resistance and has a water- as well as dirt-repellent character.

  • Hardening time

    Specific period of time required for a building material (paint, screed, adhesive) to harden.

  • Heartwood

    Inner wood core in hardwood that is darker and more resistant compared to the outer sapwood.

  • Heating rosette

    Ring-shaped orifice made of plastic or wood to cover joints on heating pipes.

  • Heating screed

    A floor structure integrated with heating pipes, which gives off heat comprehensively.

  • Herringbone

    With this installation pattern, the planks are arranged at an angle of 90 degrees.

  • Hydrophobing

    Impregnation against moisture.

  • I

  • Impact sound

    Structure-borne sound generated by contact with the ground and propagated as airborne sound.

  • Initial care

    Is also referred to as care treatment and is done by applying a sacrificial layer by appropriate care product after the final cleaning of the building.

  • Installation pattern

    Arrangement of boards in different patterns such as half-offset formation, herringbone, braided pattern, ship floor and cube.

  • Installation unit

    Combination of several parquet strips, which are fixed on the bottom side with an adhesive net.

  • Installation with clamps

    Floating installation method of solid wood planks using steel clamps.

  • Insulating underlay

    Additional layer between the substrate and the ground with insulating function.

  • Intsia

    Yellow-reddish to light brown tropical hardwood that darkens into a reddish brown.

  • Iroko

    A yellowish grey to light brown type of wood that darkens into a brown-olive wood tone.

  • J

  • Jatoba

    The reddish-brown type of wood has a vivid colouration with fine wood grain and is one of the hardest parquet woods.

  • Joints

    Small cracks in the planks, which can occur due to the natural shrinkage and swelling behaviour of wood in fluctuating indoor climates, due to humidity.

  • K

  • Kambala

    A yellowish grey to light brown type of wood that darkens into a brown-olive wood tone.

  • L

  • Laminate

    Is an artificially produced floor covering with a photo-realistic decorative surface made of resin-impregnated paper. Considered particularly durable, easy to clean and can be installed as a floating floor.

  • Larch

    Medium hard softwood with distinct wood markings and a yellow colouration that darkens into a reddish-brown wood tone when exposed to light.

  • Lip of the groove

    Upper or lower part of the groove.

  • Lye

    Lye is a kind with which the surface of the planks can be treated. Lye can be used in combination with other means of surface treatment.

  • M

  • Mahogany

    Is a precious wood with a reddish-grey colour that darkens into a reddish-brown.

  • Maintenance care

    Refreshing of the sacrificial layer by additional application of a care product. This is done after the maintenance cleaning has been performed.

  • Maintenance cleaning

    Removal of light soiling with using a cleaner without layer-forming substances. Subsequently, the maintenance care is carried out.

  • Moisture barrier

    Plastic sheet designed to prevent the diffusion of moisture in a building component. As a rule, the barrier is made of PVC and has a thickness of 0.5 mm. This is also called a vapor retarder or vapor barrier.

  • Mosaic parquet

    Solid parquet, made of small parquet strips, which form an installation unit.

  • Muscle fatigue

    Premature foot and leg muscle fatigue on hard floors, especially during standing activities. This is rarely the case with parquet, as it is considered to be resilient to footsteps due to the structure of the wood.

  • O

  • Oak

    Has a light grey-brown wood, which darkens by sunlight and can have very different patternings. Oak is offered in various product variants and is characterised by a high degree of hardness. If the surface is smoked, oak wood has a dark brown colour. In some cases, lighter sapwood may also be present.

  • Oil

    Oil is a type of surface treatment that can be used to treat the planks. This gives the wood surface a protection and, depending on the oil, a new colour.

  • P

  • Parquet belts

    Solid wood strip with tongue and groove.

  • Parquet strip

    Solid wood strip, which has a circular groove for installation with external tongues.

  • Pine

    Light yellowish to reddish brown coniferous wood with strongly pronounced annual rings. The medium-hard wood looks particularly rustic.

  • Planed planks

    Simple planks of hardwood or softwood in undefined moisture content with planed surface and tongue and groove joint. As a rule, they dry out strongly and form shrinkage joints, which makes them less suitable for residential use.

  • Planks

    Planks are the individual elements of a wooden floor. DIPRO® planks are available in different dimensions, types of wood and colours.

  • Polishing machine

    Machine with rotating polishing wheel for working in oils and waxes on wooden floors.

  • Profile

    Wood, metal or plastic rails for covering transitions between two floor coverings.

  • Pull bar

    Also called assembly iron. It is a tool for attaching the last parquet strips of an installation row.

  • R

  • Radial direction

    Direction within a tree trunk from the bark to the pith.

  • Ready for application

    Term describing that the substrate meets the guidelines for installing parquet (dry, level, solid and horizontal).

  • Ready screed

    Consists of individual dry screed panels ready for installation, made of anhydrite, concrete, gypsum or brick.

  • Renovatability

    Sanding of the wood surface and resealing with varnish or new treatment with oil or wax. The frequency of renovation depends on the thickness of its top layer.

  • Robinia

    Greenish-yellow hardwood, which darkens into golden brown.

  • Room length

    Room-length planks have the same length as your room.

  • Rosewood

    Reddish-grey to dark red wood with a very hard solidity.

  • S

  • Sacrificial layer

    Film-forming care product layer applied to the underlying parquet for protection. If this layer is worn out, after the basic cleaning, a new care must be applied.

  • Sapwood

    Light area of a wooden trunk surrounding the dark heartwood.

  • Scrap wood

    Scrap wood includes wood that has already fulfilled its intended use and, depending on its condition, is further processed into chipboards or for energy use.

  • Screed

    Subfloor ready for covering, usually made of cement, anhydrite or asphalt. It must be dry, even, firm and horizontal.

  • Seal

    Film-forming varnish layer on wooden floors.

  • Sealing

    Film-forming varnish layer on wooden floors, which protects the wooden floor from wear.

  • Selected load

    Selected pressure load on a surface.

  • Setting

    Hardening of adhesives or screed.

  • Ship floor

    Is a classic installation pattern in an irregular formation, where the parquet strips are arranged in parallel in an uneven sequence.

  • Shrinkage

    The removal of moisture or drying of the wood causes a natural reduction in volume.

  • Single layer parquet

    Solid parquet made of small parquet strips, which form an installation unit. Solid parquet, made of small parquet strips, which form an installation unit.

  • Skirting board

    Also called baseboard. The board finishes at the transition between the floor covering and the wall.

  • Slats

    Small parquet sticks.

  • Sleepers

    Squared lumber is used as a substructure for wooden floors. Their wood moisture content must not exceed the value of 15%, a gap of no more than 50 cm must be observed during installation.

  • Smoked

    Over a period of 4 to 5 weeks, the wood is evenly fumigated with ammonia. The chemical reaction of basic ammonia and the tannic acid in the wood turns it dark. This results in a colour spectrum from hazel to deep black. It also makes the wood softer, easier to work with, and more light-resistant than non-smoked wood.

  • Soap

    Soap is a type of surface treatment that can be used to treat the boards.

  • Solid wood

    Pure solid wood.

  • Solid wood plank

    A solid wood plank is made from one piece of wood and is the most natural form of wooden floors.

  • Sources

    Natural increase in volume of wood due to moisture absorption.

  • Spruce

    Yellowish-white coniferous wood, which is one of the soft woods. It is used, among other things, for the wear layer of country style planks and darkens into a reddish yellow.

  • Stain

    Chemical agent for surface treatment and colouring of wood, metal or plastic.

  • Standard climate

    A room climate of 20° to 22° C air temperature at a humidity of 50 percent is recommended.

  • T

  • Tangential direction

    The direction within a wooden trunk that is parallel to the annual rings.

  • Taper

    A tree is referred to as conical if it rises in a more conical shape toward the crown than average.

  • Teak

    Large-pored hardwood of golden yellow colour, which darkens into medium brown.

  • Thermal bridge

    Temperature loss due to faulty construction in the building, which can lead to the formation of condensation, mold and profound structural damage.

  • Thermal conductivity

    Physical property that defines the heat flux density within a substance.

  • Thermal resistance

    Physically measurable resistance that opposes the flow of heat in a homogeneous body or component of a certain size. The higher the thermal resistance, the more thermally insulating the material.

  • Tongue

    The tongue is part of the tongue and groove connection of parquet elements and is the counterpart to the groove. The tongue can also be inserted as a free connecting element between two grooves or worked directly onto an edge of the wooden slats as a tongue and groove joint.

  • Tongue and groove joint

    Profiling parquet strips with planed tongue and groove on the opposite side.

  • Toothed spatula

    Spatula with cog profile for applying adhesive.

  • Top layer

    In multilayer parquet used, made of real wood or cork, treated in the factory.

  • Torn joint

    If the lateral parquet elements are accidentally glued during sealing, it will not be possible to form a uniform joint of the wood during the heating period. For this reason, there is a large traction force, which may tear the parquet apart. The result is a large joint, which is also called a torn joint.

  • U

  • Underfloor heating

    Heating pipes installed in the screed.

  • V

  • Variant

    Firmly defined wood surface, in which the planks are divided based on their surface to obtain as uniform an installation pattern as possible during installation. Variant criteria include the presence of knotholes, cracks, grain inclination, sapwood and natural colour differences.

  • W

  • Walnut

    Is a fine-grained hardwood with a greyish brown to dark brown colour, which may occasionally have a purple tint.

  • Water seal

    Water-based film-forming varnishes for sealing wooden surfaces.

  • Wax filler

    Wax-based filler for repairing scratches and damages to the parquet surface.

  • Wear

    Abrasion of the substrate due to use, which can be prevented with appropriate care. In case of heavy wear, wooden floors must be sanded and resealed.

  • Wengé

    Also called panga panga and is one of the hardest types of wood. Its light-brown colouration takes on a blackish brown colour over time.

  • White glue

    Dispersion of PVAC for gluing parquet strips with tongue and groove joints.

  • Wood chippings

    Wood residue for which there is no longer any use.

  • Wood decor

    A surface image that photorealistically mimics the character of wood is printed onto a carrier layer.

  • Wood filler

    Wood paste made of dyed hard wax for repairing scratches and damage.

  • Wood grain

    The grain of a tree trunk means the expressions of the different characteristics such as annual rings, knottiness and wood colour.

  • Wood inlay

    Incorporated image motifs in the parquet.

  • Wood moisture

    Naturally occurring moisture content in wood, which is only contained as residual moisture in air-dried wood. For solid wood planks, the moisture content is between 8 and 11 percent.

  • Wooden paving

    Solid, untreated parquet made of sharp-edged wooden blocks, the wear layer of which consists of abrasion-resistant end-grain wood.

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