EP3741925A1 - Joint de terrasse et terrasse en bois pourvue dudit joint - Google Patents

Joint de terrasse et terrasse en bois pourvue dudit joint Download PDF

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Publication number
EP3741925A1
EP3741925A1 EP20167679.8A EP20167679A EP3741925A1 EP 3741925 A1 EP3741925 A1 EP 3741925A1 EP 20167679 A EP20167679 A EP 20167679A EP 3741925 A1 EP3741925 A1 EP 3741925A1
Authority
EP
European Patent Office
Prior art keywords
joint
closure element
wooden
joint closure
joints
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20167679.8A
Other languages
German (de)
English (en)
Other versions
EP3741925B1 (fr
Inventor
Wolfgang Habian
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Individual
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Individual
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Filing date
Publication date
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Publication of EP3741925A1 publication Critical patent/EP3741925A1/fr
Application granted granted Critical
Publication of EP3741925B1 publication Critical patent/EP3741925B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02016—Construction of joints, e.g. dividing strips with sealing elements between flooring elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6801—Fillings therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6812—Compressable seals of solid form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02177—Floor elements for use at a specific location
    • E04F15/02183—Floor elements for use at a specific location for outdoor use, e.g. in decks, patios, terraces, verandas or the like
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members

Definitions

  • the invention relates to a joint closure element for laying in joints in wooden terraces and / or between wooden material boards in the outdoor area.
  • the invention further relates to a wooden terrace for outdoor use.
  • the invention relates to a method for closing joints in wooden terraces and / or between wooden boards in the outside area with a joint closing element mentioned at the beginning.
  • the AT 5920 U2 tries to solve this problem by inserting a joint sealing profile with lateral lamellas and an interior cavity in the joints of wooden planks, which are brought to a maximum of 12 percent wood moisture through artificial drying. When weathered, the wood moisture value increases to 16 to 20 percent "and no longer falls below the 14% mark". Due to the moisture-related expansion of the wooden planks, the joint sealing profile is pressed into the joints, which makes it dust and water tight of the wooden floor. The disadvantage of this, however, is that it is not possible to ventilate the wooden floor and surface water cannot drain away. If there is also frequent alternation between wet and dry periods, the resulting expansion and contraction of the wooden planks and the pressed joint sealing profile can damage the wood.
  • the joint closure element is designed as a zigzag-shaped strip section made of an elastic material, the joint closure element being provided to be accommodated in the joint under prestress.
  • the spring action of the joint closure element is therefore used to hold it in the joint, even if there are fluctuations in the joint width.
  • the zigzag-shaped design on the one hand ensures pre-tensioning in a suitable manner and on the other hand leaves the joint so wide open that water can flow away unhindered and ventilation is ensured.
  • the pre-tensioning is preferably generated in that, in the non-assembled state, the strip section is oversized compared to a joint width of the joints of 1.1 times to 1.9 times the joint width.
  • the joint width mentioned here is the value that occurs with average moisture.
  • the joint width can be significantly narrower, especially when there is increased moisture in the wood-based panels.
  • This provides a water-permeable joint closure element to protect against the falling through of small parts for joints in wooden terraces and wood-based boards in the outdoor area.
  • the zigzag shape creates a spring effect longitudinal tension, so that the joint closure element can be installed particularly easily in existing terraces and a variation in the joint width due to changes in the wood moisture content can be accommodated without losing the clamping effect.
  • the normal distance between at least two immediately adjacent extreme deflections of the zigzag-shaped band section in a direction normal to a longitudinal direction of the joint closure element is between 1.1 and 1.9 times -Fold the joint width of the joints.
  • the joint closure element consists of rectangular segments which are arranged essentially at right angles to respectively adjacent segments.
  • the joint closure element is vertically prismatic in the position of use and thus leaves the maximum possible cross section free for the drainage of water and ventilation.
  • the object of the invention is further achieved according to the invention by a wooden terrace mentioned at the beginning in that joint closure elements of the type described above are provided in the joints at least partially and / or in sections.
  • the wood-based material boards are advantageously arranged on support beam elements, the support beam longitudinal axes running transversely, preferably normal to the direction of a board longitudinal axis.
  • the support beam elements are arranged at a support beam spacing of 30 cm to 90 cm, preferably 45 cm, from one another.
  • the spring action of the joint closure element according to the invention can be used and a particularly rapid and reliable closure of the joint can be achieved.
  • step a0) carried out before step a two or more joint closure elements are positively placed one inside the other before steps a) to c) are carried out.
  • Positive interlocking means here that the respective extreme deflections of the band sections of the two or more joint closure elements are brought into engagement so that the band sections bear directly against one another.
  • the change in length can then be achieved jointly by exerting the tensile load on the respective end sections.
  • the wooden terrace is erected in an outdoor area by laying wood-based panels, with joints with a joint width between 5 mm and 9 mm, preferably with a joint width of 7 mm, being made between adjacent wood-based panels . It is advantageous here if the wood-based panels are laid with a wood moisture content of 14 percent to 18 percent, preferably between 16 percent and 18 percent.
  • Fig. 1 a perspective view of a joint closure element 100 according to the invention is shown.
  • the joint closure element 100 is designed as a zigzag-shaped strip section 1, which is composed essentially of several rectangular segments. This is to be understood as meaning a band section 1 with a certain thickness of the material which has a sequence of extreme deflections in a direction normal to a longitudinal axis 1 a of the band section 1 or of the joint closure element 100.
  • the extreme deflections form the boundaries of the successive segments. In this case, extreme deflections immediately following each other extend in opposite directions from the longitudinal axis 1a, in particular FIGS. 2 and 3 can be found.
  • a first extreme deflection 101 and a directly adjacent second extreme deflection 102 are provided with reference symbols:
  • the width of the strip section 1 results as the distance between these extreme deflections 101, 102 in a direction normal to the longitudinal axis 1a of the joint closure element 100.
  • the band section 1 of the joint closure element 100 is made of an elastic material.
  • elastic is understood to mean the property of absorbing acting tensile forces or acting pressure by deformation and resuming the original shape when the effect is ended.
  • Plastics such as e.g. Elastomers with them; for example, the band section 1 can be made of a thermoplastic elastomer.
  • the shape and choice of material of the joint closure element 100 according to the invention allow its width to be varied by means of longitudinal expansion - similar to an accordion. If, therefore, a tensile load is applied to end sections 1 ', 1 "of the band section 1 which are opposite in the direction of the longitudinal axis 1a, an elongation results with a simultaneous reduction in width.
  • Fig. 2 shows a joint closure element 100 according to the invention in the unassembled state, in which there is neither tensile nor compressive loading.
  • the tape section 1 of the joint closure element 100 has a first width B1 and a first length L1.
  • Fig. 3 now shows this joint closure element 100 with applied load - for example, the first end section 1 'is held and a tensile load is applied to the second end section 1 "along the longitudinal axis 1a in a direction away from the second end section 1" or vice versa, or it is applied to both end sections 1' , 1 "a tensile load is applied in the opposite direction.
  • the zigzag shape of the band section 1 results in an extension to a second length L2 with a simultaneous reduction in the width from the first width B1 to a narrower second width B2.
  • the second width B2 is 20 percent smaller than the first width B1, while the second length L2 is 30 percent greater than the first length L1.
  • the inventor's tests showed a reduction in width of 30 percent with an increase in length by 20 percent.
  • the joint closure element 100 If, at the time of the end of the tensile load, the joint closure element 100 is inserted into a joint 2 that is narrower than the first width B1 but wider than the second width B2, the joint closure element 100 cannot return completely to its starting position with the first width B1, but rather clamped in the joint 2.
  • the joint closure element 100 thus enables simple, in particular subsequent, laying in joints 2 of wooden terraces 3 and / or between wood-based panels 4 in the outdoor area, in that the strip section 1 in the non-assembled state is designed with an oversize compared to a joint width F0.
  • the oversize is 1.1 to 1.9 times the joint width F0.
  • a zigzag-shaped band section 1 in the sense of the present invention is not only to be understood as a strip of elastic material composed of flat segments, but also as an alternatively shaped strip, as long as the clamping effect is guaranteed with appropriate pretensioning as long as possible between the segments Edge is formed. This avoids surface contact between the strip and the wood-based panels, so that no moisture can accumulate due to capillary effects.
  • Fig. 4 is a wooden terrace 3, consisting of wood-based boards 4, which are mounted on support beam elements 5 in the form of upholstered wood, shown, which is located in the outdoor area, so not executed inside a building and thus exposed to the weather.
  • the support beam longitudinal axes 5a run normal to the direction of the plank longitudinal axes 4a and the support beam elements 5 are arranged at a support beam distance S1 of 45 cm from one another.
  • the wood-based panels 4 are arranged at a distance from one another, so that there are joints 2 between the wood-based panels 4.
  • the Austrian Society for Wood Research (HFA- ⁇ GH) recommends a joint width F0 of at least 7 mm with a wood moisture of 16 percent to 18 percent when building wooden terraces 3. Since the wood moisture changes due to the weather, the wood-based panels 4 expand or contract accordingly, so that the joint width F0 varies. Practical measurements by the inventor have shown that the joint width F0 varies in the range of about 2 mm, with an assumed joint width F0 of 7 mm during installation, i.e. between 6 mm and 8 mm, although larger fluctuations are possible depending on the wood moisture during installation and weather conditions are. This poses great challenges to the joint closure, which the invention solves accordingly.
  • the width B1 of the strip section 1 of the joint closure element 100 in the unassembled state is selected such that it has an oversize of 1.1 times to 1.9 times the joint width F0 compared to the joint width F0.
  • a joint closure element 100 with a first width B1 of 9.5 mm is used, for example.
  • the width of the zigzag-shaped strip section 1 can be reduced by pulling it longitudinally to such an extent that it can be simply pushed into the joint 2.
  • the restoring force due to the elasticity of the material then causes permanent clamping in the joint 2 without any further mechanical fixation is required.
  • the shape ensures that isosceles triangles (prisms) remain open as a continuous opening, ensuring that the surface water flows off the surface of the wooden terrace 3 into the subsoil. Since the contact with the flank - that is, the side surfaces 4 'delimiting the joint 2 - of the wood-based panels 4 only takes place via individual, short lines at the tip of the said isosceles triangular prisms, the formation of a capillary suction interface is prevented. This ensures that the flank zone does not accept any increased wood moisture compared to the board surface.
  • Fig. 4 Joint closure elements 100 in the form of zigzag-shaped tape sections 1 are inserted into joints 2 accordingly.
  • the given, zigzag-shaped geometry in conjunction with the selected elastic material of the band section 1 (eg thermoplastic polyolefin), causes a constant adaptation to the thermally hygric changes in the joint width F0 and thus its secure fixation.
  • the joint closure element 100 is thus inserted into the joint 2 in such a way that the zigzag course runs in a direction parallel to the surface of the wooden terrace 3 or the wooden material planks 4, so that the extreme deflections cause jamming with the side surfaces 4 delimiting the joint 2 ' (please refer Fig. 5 ) the wood-based panels 4 takes place.
  • the grid-shaped closure of the joint 2 resolves the conflict of objectives between the desired securing against objects falling through and their openness, which is required in terms of building physics.
  • the length of the band sections 1 is selected here so that the second length L2 in the inserted state is greater than the support beam spacing S1. This facilitates installation because a stop is provided for the tape sections 1 when the tape sections 1 are pushed in, if the joint closure elements 100 are pushed deeper into the joints 2.
  • the band sections 1 can be pressed in until they are in contact with the support beam elements 5.
  • the joint width F0 is greater than the first width B1 of the tape section 1 - this can be the case with extreme dryness and a corresponding decrease in wood moisture or with age-related decrease in the elasticity of the material of the tape section 1, but also through Errors in laying may be due - it is ensured that the joint closure element 100 remains in the joint 2.
  • the element height H1 (that is, the height of the joint closure element 100 or its strip section 1) is selected so that it is between 0.5 times and 1.0 times the board height H0. This is in Fig. 5 to see where a cut along the line AA in Fig. 4 is shown: The element height is about 0.75 times the board height H0 and the strip section 1 is pushed all the way down into the joint 2, so that between the top of the strip section 1 and the surface of the wooden terrace 3 or the wood-based boards 4 Distance exists.
  • the invention thus enables an elastic joint closure element 100 with ventilation for joints 2 of wooden terraces 3 and / or wood-based boards 4 in the outdoor area, whereby the choice of a zigzag-shaped geometry in connection with an elastic material allows water to largely drain off the terrace surface and allow it to dry out from the subsurface is not impaired.
  • the flank formation between the joint closure element 100 and the wooden side walls of the wooden material boards 4 is designed so that no capillary effect occurs.
  • the purpose of the joint seal is to prevent insects from entering the terrace substrate and to prevent the loss of small objects through the joint. As shown in the figures, this takes place by means of a zigzag-shaped formation of a longitudinally and transversely elastic band section 1 made of plastic (preferably thermoplastic polyolefin).
  • the band section 1 can also be provided with a surface structure that allows better interaction with the wood-based boards 4.
  • a method according to the invention for closing joints 2 accordingly comprises the following steps: First, a tensile load is applied to at least one of two end sections 1 ', 1 "of the tape section 1 opposite one another in the longitudinal direction of the joint closure element 100; a tensile load is preferably applied that is large enough that the first width B1 of the tape section is reduced to a second width B2 , which is smaller than the joint width F0. If the joint 2 is wider or has sections with a larger width, two or more joint closure elements 100 can also be placed one inside the other in a preceding step or a slightly shorter tape section 1 for the wider area can be inserted into a longer tape section 1.
  • the joint closure element 100 is inserted into the joint 2. It does not matter whether the wooden terrace 3 has been freshly built and the installation joint width is available or whether the joint closure element 100 is introduced at a later point in time when the joint width F0 has changed due to the weather. By varying the tensile load, the width of the joint closure element 100 can be adapted accordingly.
  • the tensile load on the joint closure element 100 is ended. Due to the design made from an elastic material and the zigzag shape, the joint closure element 100 tries to restore its original state and to expand again from the second width B2 to the first width B1. This results in the clamping effect of the joint closure element 100 in the joint 2 and its permanent closure.
  • the wooden terrace 3 is erected in an outside area in a previous step by laying wood-based panels 4, with joints 2 between adjacent wood-based panels 4 having a joint width F0 between 5 mm and 9 mm, preferably with a joint width F0 of 7 mm.
  • Wood-based boards 4 are preferably laid with a wood moisture content of 14 percent to 18 percent, preferably between 16 percent and 18 percent, or it must be ensured before laying that drying is carried out if the wood-based boards 4 e.g. are soaked through negligent storage.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Floor Finish (AREA)
EP20167679.8A 2019-05-20 2020-04-02 Terrasse en bois pourvue dudit joint et procédé de fermeture des joints dans les terrasses en bois Active EP3741925B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA190/2019A AT521692B1 (de) 2019-05-20 2019-05-20 Fugenverschlusselement und Holzterrasse mit Fugenverschlusselement

Publications (2)

Publication Number Publication Date
EP3741925A1 true EP3741925A1 (fr) 2020-11-25
EP3741925B1 EP3741925B1 (fr) 2022-10-12

Family

ID=70328909

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20167679.8A Active EP3741925B1 (fr) 2019-05-20 2020-04-02 Terrasse en bois pourvue dudit joint et procédé de fermeture des joints dans les terrasses en bois

Country Status (3)

Country Link
EP (1) EP3741925B1 (fr)
AT (1) AT521692B1 (fr)
DK (1) DK3741925T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1750008A1 (de) 1967-09-05 1971-02-25 Daetwyler Ag Dichtleiste aus elastisch verformbarem Material
EP1083269A2 (fr) * 1999-09-11 2001-03-14 Gutjahr Walter Aides pour la pose de revêtements en plaques en position surélevée ou ventilée
AT5920U2 (de) 2002-09-23 2003-01-27 Michael Ing Krippl Holzboden mit dichtung zur verwendung im freien
KR101549065B1 (ko) * 2015-01-20 2015-09-03 주식회사 기린에스아이 데크로드 및 목교 시스템

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9319436U1 (de) * 1993-12-17 1994-03-03 Moissl, Johann, 84178 Kröning Holzfußboden
DE19940837A1 (de) * 1998-10-26 2000-11-23 Karl Boeckl Verlegesystem und Verlegeverfahren
DE29917335U1 (de) * 1999-10-02 2001-02-15 Gutjahr, Walter, 64404 Bickenbach Fugenstab für auf Stelzlagern verlegte Bodenplatten von Plattenbelägen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1750008A1 (de) 1967-09-05 1971-02-25 Daetwyler Ag Dichtleiste aus elastisch verformbarem Material
EP1083269A2 (fr) * 1999-09-11 2001-03-14 Gutjahr Walter Aides pour la pose de revêtements en plaques en position surélevée ou ventilée
AT5920U2 (de) 2002-09-23 2003-01-27 Michael Ing Krippl Holzboden mit dichtung zur verwendung im freien
KR101549065B1 (ko) * 2015-01-20 2015-09-03 주식회사 기린에스아이 데크로드 및 목교 시스템

Also Published As

Publication number Publication date
DK3741925T3 (da) 2023-01-16
AT521692A4 (de) 2020-04-15
EP3741925B1 (fr) 2022-10-12
AT521692B1 (de) 2020-04-15

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