Guide – 10 Min

How to choose the parquet

Guide — 10 Min

How to choose the parquet

Below is the article I wrote for Forma Luxury Living

Wood is the most sustainable material in circulation, it is renewable and durable, says Brett Miller, vice president for technical standards, training and certification at the National Wood Flooring Association. There are, however, choices to be made on the basis of some of the material’s own characteristics, which are:

  • The typology: solid vs composite;
  • The classes, as established by the European legislation UNI EN 13489:2004;
  • The essences;
  • Finishes and sealants;
  • The processing
  • The laying geometries;
  • The laying types.

These parameters help us to identify which essence best meets not only the aesthetic needs sought, but also the climatic conditions of the installation environment. Even if, in principle, where the maximum conditions of comfort for the human being exist, there are also the optimal conditions for the laying of a floor or wooden covering, some evaluations facilitate correct and conscious choices.

Not least the decision to install the parquet on a radiant floor. So we immediately dispel a myth: wood can be laid on heated floors. The only care is in the choice of the product that must meet two essential requirements:
• High dimensional stability: limited deformability to respond to climatic stresses;
• Low thermal resistance to ensure the best energy efficiency. a

Let’s see in detail what themes we have to address to choose our wooden floor.

Solid VS Composite

The first choice we have to make is whether to opt for a solid wood or composite floor. The main difference is in the technology used for the creation of the formats: the solid wood (the traditional parquet) is constituted for all the thickness from the same wood essence; the composite is the result of the overlapping of different woods (for this reason called plywood) where a layer of plywood, dimensionally stable, is glued to a layer of hardwood (noble wood). Let’s see the pros and cons of both solutions:

  • Solid wood:

    PROS: It has a longer life, as it can be finished several times during its useful life.

    CONS: It is particularly sensitive to changes in humidity. Therefore it is more subject to deformation, with the risk that cracking and lifting phenomena occur. Solid wood can react dramatically to temperature and moisture content in the air. When wet, solid wood expands; when dry, solid wood contracts.

parquet

In this type of technology, the axes can be sawn in three different ways:

a) Plain sawn: is the most commonly used and has more natural variations than the other two methods;

b) Quarter-sawn requires a log to be cut into quarters before creating the strips;

c) the rift-sawn is made by cutting the trunk with an angle to remove natural spots.

  • Composite wood (plywood):

    PRO: It has obvious advantages with regard to dimensional stability and resistance to changes in humidity, it also allows to have larger size lists, with the same thickness. It can be used on heated floors.

    CONS: Being the top surface of thin wood, it can only be finished once or twice. The upper layer, in view, is entrusted with the aesthetic rendering (and therefore the choice of the desired wood essence of the parquet), the supporting layer is delegated instead to ensure stability and balance. The supports can be in:

  1. Birch – guarantees better product stability.
  2. Spruce and Poplar – ensure good stability and can also be mounted on underfloor heating at controlled temperature.
  3. Ash and pine – they are mainly used for inexpensive parquet and have very low costs.

 

Classes

The European standard UNI EN 13489:2004Wood flooring and parquet – Multi-layer parquet elements“, establishes the characteristics of the noble layer of plywood parquet.

Classifications are: ● (circle) ▲ (triangle) ■ (square)

  • Circle: Healthy and adherent knots of diameter less than or equal to 2 mm, rotten knots of diameter less than or equal to 1 mm, the deviation of the buckle, the mirrors and slight traces of natural discoloration are allowed. It is not allowed: sapwood, sifting and bark inclusions.
  • Triangle: Sound and adherent nodes of diameter less than or equal to 5 mm, rotten nodes of diameter less than or equal to 2 mm, sapwood and heart up to 50% of the front face, sieving if less than 0,5 % of the width of the element, deviation of the fibrature, the colour variation and the mirrors. Bark inclusions and biological alterations are not allowed.
  • Square:Allowed: sapwood and heart (light traces), healthy and rotten nodes, sieves, bark inclusions, fibrature deviation, color variation, mirroring. It is not allowed: biological alteration except for the musket.

 

Essence

The evaluation criteria to be considered, in addition to the aesthetic ones, are:

  • degree of hardness;
  • color tone subject to change;
  • impact resistance;
  • ritiro;
  • nervousness;
  • resistance to attack of parasites, fungi and molds.

Brown essences

  • Walnut:one of the finest woods and easy to process, presents various brown shades tending to gray, with striking grains that also reach black and give it an extremely pleasant aesthetic appearance. The fiber is straight, sometimes wavy. With oxidation, the colour of the wood acquires a splendid gloss.

EUROPEAN WALNUT

AMERICAN WALNUT

  • Oak tree:sturdy, brown-amber wood with a veined texture, the oak is elastic and shock-resistant. It guarantees excellent resistance to stress, bending and compression.

  • Teak:exotic wood, native to Southeast Asia, is among the most appreciated essences for the realization of wooden floors, thanks to its extraordinary resistance. It is a precious wood, characterized by the color from brown to chocolate brown, fine texture, straight buckle, marked and evident veins. With prolonged exposure to sunlight it tends to take on a golden hue.

Doussiè:hard and very resistant wood from the forests of Central and Western Africa. It has a tortuous grain and a medium to coarse texture, with shades of color ranging from brown to reddish to pale yellow.

Iroko: its medium/dark color and medium-resistant distinguish this African wood. Coming from the forests of equatorial Africa, it is a suitable wood also in contact with water. For the most part, it gets brunodorati tones, which, in the aged specimens, turn towards a more evident and marked darkening due to the natural oxidation.

6

Afrormosia:of African origin, has brown-golden heartwood, with fascinating greenish shades and straight fibratura. With prolonged exposure to sunlight, the wood tends to darken.

Clear essences

  • Oak:with a fairly homogeneous color, ranging from golden blond to brown, has a straight but irregular fiber. The level of oxidation is rather high and, over the years, the wood tends to assume a colouration tending to straw yellow.

  • Maple: coming from Central Europe, maple is a shiny wood, with a hue between amber and whitish, with attenuated veins and fiber with a linear and uniform texture. Oxidation levels are rather low, showing good bending resistance, but it is easy prey to fungi and woodworm.
  • Canadian maple: precious and very decorative wood, it is characterized by evident grain with compact fibers. The Maple is a semi-hard and porous wood, of pale colour ranging from almost white to brown and pinkish with yellowish streaks. The presence of nodes is possible.

  • Ash:ideal for interiors in contemporary style, ash is among the clearest essences and lends itself to any type of use. Its shades range from ochre to golden brown. With a homogeneous appearance, it shows a medium-high hardness. It is not recommended to use it in the presence of radiant panel system, so as not to risk that it expands.

  • Beech:exquisitely European wood, among the most resistant to scratches and bumps, beech is a blond wood characterized by a medium hardness and a fine and homogeneous texture. It tolerates walking well, but in the presence of underfloor heating systems tends to darken and is unsuitable for humid environments.

  • Chestnut:the chestnut is a blond wood, characterized by the presence of small knuckles.

  • Elm: the soft shade of color and the design of the fiber moderately wide make this wood an essence of connoisseurs. Its typical colouration is light brown, yellow, olive green, reddish. The most important characteristic of Elm is its fibrous and concatenated vein. The presence of nodes is possible. Elm wood is very decorative and has a reputation of being one of the best woods.

  • Larch:with a marked and evident vein and a warm colour that varies from reddish with dark veins for the Austrian larch and pink, yellowish, brownish colors for the Siberian larch. Various veins, shadings and knots of various sizes are characteristic of the species. The wood is very resinous and has fine texture and straight buckle. In its simplicity and in its availability to interesting finishes this wood finds space in the most different environments.

Dark essences

  • Wengé:very dark wood native to Africa, with intense veins tending to black, shows a compact and robust structure and a high decorative power. It is an extremely long-lived and stable essence. Due to its natural dark coloration, there are no particular effects resulting from prolonged exposure to sunlight. Although it is easy prey to insects and parasites, it usually bears quite well the humidity.

Red essences

  • Cherry:light wood, honey-coloured tending to orange with warm red veins. Unsuitable for laying over radiant panels, it is an easy wood to work with, although it is rather heavy.

As for trends, “we are seeing a fair reduction in the desire for imported tropical species,” says Brett Miller. “In the 1980s and 1990s there was a huge boost and people were paying more money for jatoba, for example, because it was unique and exotic. Today we see people spending more for domestic species, especially white oak and walnut, where demand is higher than red oak or cherry trees.

 

Finishes and Sealants

The finish is necessary to protect the wear of the floor. We can decide, through it, to exalt the characters of the chosen essence or to partially change its appearance. The finish can be applied in-situ or at the factory before installation. I tipi di finitura possono essere:

  • The paint finish:makes the parquet waterproof and very resistant to external stresses. At the maintenance level, it only requires normal cleaning. Aesthetically, the surface is satin and bright. Through the painting we can give special colors to the surface, make them more opaque and natural or more shiny. When we adopt this choice, we must pay attention to three parameters: abrasion resistance, paint elasticity, emission of solvents harmful to health.
parquet

  • The oil treatment:leaves the floor more natural and material to the touch, enhancing the authenticity of the essence chosen. This treatment is also a real cure-all, as it penetrates into the wood performing a protective function directly from the inside, while ensuring the normal transpiration. It requires more maintenance.
parquet
  • Beeswaxor similar finishes are now almost obsolete. They are characterized by a certain softness of surface, also pleasant to the touch, but extremely demanding in terms of maintenance.

The workings

For these descriptions, we make use of the experience and technique of the company “Triveneta Parchetti”:

  • Mechanical planing by hand:a woodworking process carried out by hand with a mechanical planer in order to make the planed surface light staggered. A processing carried out in accordance with tradition that creates irregularities and originality in the surface.
parquet

  • Mechanical planing: a machine performs a “wave” planing with regular effect. The surface that is obtained is wavy but at the same time soft and gives the parquet a natural look.
parquet
  • Brushing:the most tender part of the wood is removed by passing under special brushes, highlighting the grain of the wood. Brushing makes the floor more resistant to impact and wear.
parquet
  • Hand planing: it is a manual process as ancient in time. La creativa irregolarità con cui ogni singola tavola viene lavorata la rende unica ed irripetibile. The surface appears from the naturally lived aspect. For the classics of elegance.
parquet
  • Pickling: is a process that highlights the interior of the brushing with lighter or darker colors than the surface.
parquet
  • Total serration:irregular incisions are made on the table, reminiscent of the rustic aspect of the cut with the old saws.
parquet
  • Lateral serration:is a mechanical operation in which the transverse marks carried out on the surface of the wood are made laterally and recall the incisions of a saw. To the touch the serrate is velvety and soft as a fabric.
parquet
  • Fake woodworm:for the antique finish it is expected the production of fake woodworm, consisting of small holes. You get a lived-in look typical of the old floors.
parquet
  • Heat treatment: the wood is “cooked”, that is treated at temperatures ranging from 190 º C up, transforming the material. a The wood thus changes its characteristics: it is darker with various shades, more stable dimensionally, slightly more fragile but more resistant to compression. Thermotreated wood is considered such when the thermotreatment is performed in all the thickness of the noble wood. In case of scratches, when compared to the colored parquet, the color of the scratch is not noticeable.
parquet

The laying geometries

A model or laying geometry is the design that comes from the combination of the individual elements that make up a wooden flooring. We can have:

  • Ship or Irregular Formwork or Running:in this laying scheme, the individual elements, of different lengths, are arranged in the direction of their length, so that the head joints take place in irregular positions. The installation takes place by placing the elements parallel to the walls or diagonally. In the first case the elements are preferably arranged perpendicular to the main light source, in order to reduce the view of the seams between the individual elements. In the second case, the elements are laid at an angle of 45- or 30- and 30-shift from the walls, starting from the front door in the direction of the main light point, or following the walkway of the environment.

 

parquet

  • Regular formwork:unlike the previous scheme, in this laying model the wooden elements have all the same length. The arrangement always takes place in the direction of the length, but the head joints take place in the center line or in any case in a constant position with respect to each element constituting the previous row.

 

parquet
  • Herringbone or Italian herringbone:it involves the use of strips of the same size, arranged perpendicularly with an angle of 90 , so that the head of one matches the side of the other. The laying direction can be straight or diagonal with respect to the entrance into the room. The diagonal laying, in particular, is recommended to give a sense of amplitude to the environment.

 

parquet
  • Band and binder: it is characterized by three different installation geometries. The perimeter of the room (bundles) differs from the central carpet, laid with a different geometry, and connects with it by means of parquet elements that act as a union (bindello). The wooden elements can also be of different wood species to create special effects.
parquet
  • Hungarian and French plug-in parquet:the Hungarian (60,000) and French (45,000) plug-in parquet floors differ from the Italian plug-in parquet because the strips are cut on the short side with an inclination of 60,000 or 45,000, laid head to head and often completed with the band bindello. The laying methods are equivalent to those relating to the laying of herringbone Italian fish.
parquet
  • Mosaic or design laying:the elements are assembled in such a way as to form a square that constitutes the installation unit. The same frames can be placed inside a system with band and binder.
parquet

The types of installation

There are three ways of laying the parquet:

  • Floating laying: indicated where application simplicity and ease of removal are sought. The installation takes place by placing the elements in the background, above a few millimeters elastic mattress. The sandwiched or glued lists only on the sides, create a floating wooden carpet. The background, not being integral to the parquet, does not offer an active contribution in terms of stability and causes acoustic reverberations.

  • The laying glued: The floor is unique with the concrete screed. This application solution favors the dimensional stability of wood, with better performance in terms of non-deformability of the flooring and acoustic perception. It is also the recommended technical solution in case of laying on underfloor heating.

  • The nailed laying:it is a technique of ancient origin: the planks (of solid wood) are wedged together and fixed by nails to a previous plank or a warp of warehouses immersed in a specially prepared background.

 

Below is the article I wrote for Forma Luxury Living

Wood is the most sustainable material in circulation, it is renewable and durable, says Brett Miller, vice president for technical standards, training and certification at the National Wood Flooring Association. There are, however, choices to be made on the basis of some of the material’s own characteristics, which are:

  • The typology: solid vs composite;
  • The classes, as established by the European legislation UNI EN 13489:2004;
  • The essences;
  • Finishes and sealants;
  • The processing
  • The laying geometries;
  • The laying types.

These parameters help us to identify which essence best meets not only the aesthetic needs sought, but also the climatic conditions of the installation environment. Even if, in principle, where the maximum conditions of comfort for the human being exist, there are also the optimal conditions for the laying of a floor or wooden covering, some evaluations facilitate correct and conscious choices.

Not least the decision to install the parquet on a radiant floor. So we immediately dispel a myth: wood can be laid on heated floors. The only care is in the choice of the product that must meet two essential requirements:
• High dimensional stability: limited deformability to respond to climatic stresses;
• Low thermal resistance to ensure the best energy efficiency. a

Let’s see in detail what themes we have to address to choose our wooden floor.

Solid VS Composite

The first choice we have to make is whether to opt for a solid wood or composite floor. The main difference is in the technology used for the creation of the formats: the solid wood (the traditional parquet) is constituted for all the thickness from the same wood essence; the composite is the result of the overlapping of different woods (for this reason called plywood) where a layer of plywood, dimensionally stable, is glued to a layer of hardwood (noble wood). Let’s see the pros and cons of both solutions:

  • Solid wood:

    PROS: It has a longer life, as it can be finished several times during its useful life.

    CONS: It is particularly sensitive to changes in humidity. Therefore it is more subject to deformation, with the risk that cracking and lifting phenomena occur. Solid wood can react dramatically to temperature and moisture content in the air. When wet, solid wood expands; when dry, solid wood contracts.

parquet

In this type of technology, the axes can be sawn in three different ways:

a) Plain sawn: is the most commonly used and has more natural variations than the other two methods;

b) Quarter-sawn requires a log to be cut into quarters before creating the strips;

c) the rift-sawn is made by cutting the trunk with an angle to remove natural spots.

  • Composite wood (plywood):

    PRO: It has obvious advantages with regard to dimensional stability and resistance to changes in humidity, it also allows to have larger size lists, with the same thickness. It can be used on heated floors.

    CONS: Being the top surface of thin wood, it can only be finished once or twice. The upper layer, in view, is entrusted with the aesthetic rendering (and therefore the choice of the desired wood essence of the parquet), the supporting layer is delegated instead to ensure stability and balance. The supports can be in:

  1. Birch – guarantees better product stability.
  2. Spruce and Poplar – ensure good stability and can also be mounted on underfloor heating at controlled temperature.
  3. Ash and pine – they are mainly used for inexpensive parquet and have very low costs.

 

Classes

The European standard UNI EN 13489:2004Wood flooring and parquet – Multi-layer parquet elements“, establishes the characteristics of the noble layer of plywood parquet.

Classifications are: ● (circle) ▲ (triangle) ■ (square)

  • Circle: Healthy and adherent knots of diameter less than or equal to 2 mm, rotten knots of diameter less than or equal to 1 mm, the deviation of the buckle, the mirrors and slight traces of natural discoloration are allowed. It is not allowed: sapwood, sifting and bark inclusions.
  • Triangle: Sound and adherent nodes of diameter less than or equal to 5 mm, rotten nodes of diameter less than or equal to 2 mm, sapwood and heart up to 50% of the front face, sieving if less than 0,5 % of the width of the element, deviation of the fibrature, the colour variation and the mirrors. Bark inclusions and biological alterations are not allowed.
  • Square:Allowed: sapwood and heart (light traces), healthy and rotten nodes, sieves, bark inclusions, fibrature deviation, color variation, mirroring. It is not allowed: biological alteration except for the musket.

 

Essence

The evaluation criteria to be considered, in addition to the aesthetic ones, are:

  • degree of hardness;
  • color tone subject to change;
  • impact resistance;
  • ritiro;
  • nervousness;
  • resistance to attack of parasites, fungi and molds.

Brown essences

  • Walnut:one of the finest woods and easy to process, presents various brown shades tending to gray, with striking grains that also reach black and give it an extremely pleasant aesthetic appearance. The fiber is straight, sometimes wavy. With oxidation, the colour of the wood acquires a splendid gloss.

EUROPEAN WALNUT

AMERICAN WALNUT

  • Oak tree:sturdy, brown-amber wood with a veined texture, the oak is elastic and shock-resistant. It guarantees excellent resistance to stress, bending and compression.

  • Teak:exotic wood, native to Southeast Asia, is among the most appreciated essences for the realization of wooden floors, thanks to its extraordinary resistance. It is a precious wood, characterized by the color from brown to chocolate brown, fine texture, straight buckle, marked and evident veins. With prolonged exposure to sunlight it tends to take on a golden hue.

Doussiè:hard and very resistant wood from the forests of Central and Western Africa. It has a tortuous grain and a medium to coarse texture, with shades of color ranging from brown to reddish to pale yellow.

Iroko: its medium/dark color and medium-resistant distinguish this African wood. Coming from the forests of equatorial Africa, it is a suitable wood also in contact with water. For the most part, it gets brunodorati tones, which, in the aged specimens, turn towards a more evident and marked darkening due to the natural oxidation.

6

Afrormosia:of African origin, has brown-golden heartwood, with fascinating greenish shades and straight fibratura. With prolonged exposure to sunlight, the wood tends to darken.

Clear essences

  • Oak:with a fairly homogeneous color, ranging from golden blond to brown, has a straight but irregular fiber. The level of oxidation is rather high and, over the years, the wood tends to assume a colouration tending to straw yellow.

  • Maple: coming from Central Europe, maple is a shiny wood, with a hue between amber and whitish, with attenuated veins and fiber with a linear and uniform texture. Oxidation levels are rather low, showing good bending resistance, but it is easy prey to fungi and woodworm.
  • Canadian maple: precious and very decorative wood, it is characterized by evident grain with compact fibers. The Maple is a semi-hard and porous wood, of pale colour ranging from almost white to brown and pinkish with yellowish streaks. The presence of nodes is possible.

  • Ash:ideal for interiors in contemporary style, ash is among the clearest essences and lends itself to any type of use. Its shades range from ochre to golden brown. With a homogeneous appearance, it shows a medium-high hardness. It is not recommended to use it in the presence of radiant panel system, so as not to risk that it expands.

  • Beech:exquisitely European wood, among the most resistant to scratches and bumps, beech is a blond wood characterized by a medium hardness and a fine and homogeneous texture. It tolerates walking well, but in the presence of underfloor heating systems tends to darken and is unsuitable for humid environments.

  • Chestnut:the chestnut is a blond wood, characterized by the presence of small knuckles.

  • Elm: the soft shade of color and the design of the fiber moderately wide make this wood an essence of connoisseurs. Its typical colouration is light brown, yellow, olive green, reddish. The most important characteristic of Elm is its fibrous and concatenated vein. The presence of nodes is possible. Elm wood is very decorative and has a reputation of being one of the best woods.

  • Larch:with a marked and evident vein and a warm colour that varies from reddish with dark veins for the Austrian larch and pink, yellowish, brownish colors for the Siberian larch. Various veins, shadings and knots of various sizes are characteristic of the species. The wood is very resinous and has fine texture and straight buckle. In its simplicity and in its availability to interesting finishes this wood finds space in the most different environments.

Dark essences

  • Wengé:very dark wood native to Africa, with intense veins tending to black, shows a compact and robust structure and a high decorative power. It is an extremely long-lived and stable essence. Due to its natural dark coloration, there are no particular effects resulting from prolonged exposure to sunlight. Although it is easy prey to insects and parasites, it usually bears quite well the humidity.

Red essences

  • Cherry:light wood, honey-coloured tending to orange with warm red veins. Unsuitable for laying over radiant panels, it is an easy wood to work with, although it is rather heavy.

As for trends, “we are seeing a fair reduction in the desire for imported tropical species,” says Brett Miller. “In the 1980s and 1990s there was a huge boost and people were paying more money for jatoba, for example, because it was unique and exotic. Today we see people spending more for domestic species, especially white oak and walnut, where demand is higher than red oak or cherry trees.

 

Finishes and Sealants

The finish is necessary to protect the wear of the floor. We can decide, through it, to exalt the characters of the chosen essence or to partially change its appearance. The finish can be applied in-situ or at the factory before installation. I tipi di finitura possono essere:

  • The paint finish:makes the parquet waterproof and very resistant to external stresses. At the maintenance level, it only requires normal cleaning. Aesthetically, the surface is satin and bright. Through the painting we can give special colors to the surface, make them more opaque and natural or more shiny. When we adopt this choice, we must pay attention to three parameters: abrasion resistance, paint elasticity, emission of solvents harmful to health.
parquet

  • The oil treatment:leaves the floor more natural and material to the touch, enhancing the authenticity of the essence chosen. This treatment is also a real cure-all, as it penetrates into the wood performing a protective function directly from the inside, while ensuring the normal transpiration. It requires more maintenance.
parquet
  • Beeswaxor similar finishes are now almost obsolete. They are characterized by a certain softness of surface, also pleasant to the touch, but extremely demanding in terms of maintenance.

The workings

For these descriptions, we make use of the experience and technique of the company “Triveneta Parchetti”:

  • Mechanical planing by hand:a woodworking process carried out by hand with a mechanical planer in order to make the planed surface light staggered. A processing carried out in accordance with tradition that creates irregularities and originality in the surface.
parquet

  • Mechanical planing: a machine performs a “wave” planing with regular effect. The surface that is obtained is wavy but at the same time soft and gives the parquet a natural look.
parquet
  • Brushing:the most tender part of the wood is removed by passing under special brushes, highlighting the grain of the wood. Brushing makes the floor more resistant to impact and wear.
parquet
  • Hand planing: it is a manual process as ancient in time. La creativa irregolarità con cui ogni singola tavola viene lavorata la rende unica ed irripetibile. The surface appears from the naturally lived aspect. For the classics of elegance.
parquet
  • Pickling: is a process that highlights the interior of the brushing with lighter or darker colors than the surface.
parquet
  • Total serration:irregular incisions are made on the table, reminiscent of the rustic aspect of the cut with the old saws.
parquet
  • Lateral serration:is a mechanical operation in which the transverse marks carried out on the surface of the wood are made laterally and recall the incisions of a saw. To the touch the serrate is velvety and soft as a fabric.
parquet
  • Fake woodworm:for the antique finish it is expected the production of fake woodworm, consisting of small holes. You get a lived-in look typical of the old floors.
parquet
  • Heat treatment: the wood is “cooked”, that is treated at temperatures ranging from 190 º C up, transforming the material. a The wood thus changes its characteristics: it is darker with various shades, more stable dimensionally, slightly more fragile but more resistant to compression. Thermotreated wood is considered such when the thermotreatment is performed in all the thickness of the noble wood. In case of scratches, when compared to the colored parquet, the color of the scratch is not noticeable.
parquet

The laying geometries

A model or laying geometry is the design that comes from the combination of the individual elements that make up a wooden flooring. We can have:

  • Ship or Irregular Formwork or Running:in this laying scheme, the individual elements, of different lengths, are arranged in the direction of their length, so that the head joints take place in irregular positions. The installation takes place by placing the elements parallel to the walls or diagonally. In the first case the elements are preferably arranged perpendicular to the main light source, in order to reduce the view of the seams between the individual elements. In the second case, the elements are laid at an angle of 45- or 30- and 30-shift from the walls, starting from the front door in the direction of the main light point, or following the walkway of the environment.

 

parquet

  • Regular formwork:unlike the previous scheme, in this laying model the wooden elements have all the same length. The arrangement always takes place in the direction of the length, but the head joints take place in the center line or in any case in a constant position with respect to each element constituting the previous row.

 

parquet
  • Herringbone or Italian herringbone:it involves the use of strips of the same size, arranged perpendicularly with an angle of 90 , so that the head of one matches the side of the other. The laying direction can be straight or diagonal with respect to the entrance into the room. The diagonal laying, in particular, is recommended to give a sense of amplitude to the environment.

 

parquet
  • Band and binder: it is characterized by three different installation geometries. The perimeter of the room (bundles) differs from the central carpet, laid with a different geometry, and connects with it by means of parquet elements that act as a union (bindello). The wooden elements can also be of different wood species to create special effects.
parquet
  • Hungarian and French plug-in parquet:the Hungarian (60,000) and French (45,000) plug-in parquet floors differ from the Italian plug-in parquet because the strips are cut on the short side with an inclination of 60,000 or 45,000, laid head to head and often completed with the band bindello. The laying methods are equivalent to those relating to the laying of herringbone Italian fish.
parquet
  • Mosaic or design laying:the elements are assembled in such a way as to form a square that constitutes the installation unit. The same frames can be placed inside a system with band and binder.
parquet

The types of installation

There are three ways of laying the parquet:

  • Floating laying: indicated where application simplicity and ease of removal are sought. The installation takes place by placing the elements in the background, above a few millimeters elastic mattress. The sandwiched or glued lists only on the sides, create a floating wooden carpet. The background, not being integral to the parquet, does not offer an active contribution in terms of stability and causes acoustic reverberations.

  • The laying glued: The floor is unique with the concrete screed. This application solution favors the dimensional stability of wood, with better performance in terms of non-deformability of the flooring and acoustic perception. It is also the recommended technical solution in case of laying on underfloor heating.

  • The nailed laying:it is a technique of ancient origin: the planks (of solid wood) are wedged together and fixed by nails to a previous plank or a warp of warehouses immersed in a specially prepared background.

 

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