EP2773821A1 - Paroi sèche ayant des propriétés acoustiques améliorées et canal pour celle-ci - Google Patents

Paroi sèche ayant des propriétés acoustiques améliorées et canal pour celle-ci

Info

Publication number
EP2773821A1
EP2773821A1 EP11778620.2A EP11778620A EP2773821A1 EP 2773821 A1 EP2773821 A1 EP 2773821A1 EP 11778620 A EP11778620 A EP 11778620A EP 2773821 A1 EP2773821 A1 EP 2773821A1
Authority
EP
European Patent Office
Prior art keywords
drywall
frame
openings
slots
channel
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
EP11778620.2A
Other languages
German (de)
English (en)
Other versions
EP2773821B1 (fr
Inventor
Cyrille Demanet
Hye-Mi Lee
Gaël MAILLE
Yong-Sam Park
Julien SOULHAT
Emmanuel Vial
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Etex France Building Performance SA
Original Assignee
Siniat SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siniat SA filed Critical Siniat SA
Publication of EP2773821A1 publication Critical patent/EP2773821A1/fr
Application granted granted Critical
Publication of EP2773821B1 publication Critical patent/EP2773821B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
    • E04B2/7409—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts special measures for sound or thermal insulation, including fire protection
    • E04B2/7412—Posts or frame members specially adapted for reduced sound or heat transmission

Definitions

  • the invention relates to a drywall having improved acoustic properties and to the use of a U-channel (or runner or track) for improving the acoustic properties of a drywall.
  • a common building technique for the fabrication of building walls, and in particular internal walls, is to fasten sheets or boards of walling material, such as plasterboard, to vertical studs.
  • walling material such as plasterboard
  • each stud is secured to a horizontal beam or channel or runner secured to either the floor or ceiling of the room or both in which the interior drywall is being constructed.
  • This wall construction technique is both relatively simple and inexpensive and further allows existing room spaces to be subdivided if required, for example when altering the use of an existing building.
  • This wall construction technique also allows separation walls (typically with twin frame/double frame dwelling partition) and distribution walls (typically single frame) to be erected. Staggered structures are also commonplace, with single runner (or U-channel) or with twin angles.
  • Twin frame walls have rather good insulating properties, but require space and are costly to build.
  • this kind of "double stud" construction usually requires some form of brace to be fastened between parallel studs spanning the air gap to give the structure adequate strength. Furthermore, by using a double row of studs for a single wall, the cost of materials used, and time required to install two rows of tracks, is significantly increased over the costs that would be incurred if a single stud construction could be used.
  • Single frame drywalls hence require adaptation to have improved acoustic properties.
  • Insulating material such as rock wool or glass wool is inserted in the air gap between the boards.
  • the studs have also been modified to improve the acoustic properties.
  • WO-A-03/102322 provides a wall stud comprising two opposing sidewalls interconnected by a spanning web, the spanning web comprising first and second substantially planar members connected to the respective sidewalls and a member interconnecting the first and second planar members, the latter member having at least one row of elongate slots formed therein along a longitudinal axis thereof, said member interconnecting the first and second planar members being preferably substantially semicircular.
  • US-A-6381916 (or EP-A-1074671 ) provides asection for building walls comprising
  • each section leg having a longitudinal inwardly pointing edge flange extending along one of said longitudinal edges;
  • said at least one elastic segment is shaped from a plane formed by said section bridge and provides a flexible connection between said section legs;
  • said recesses are slots extending in the longitudinal direction of the section.
  • Such “low-cost” channels comprise, like the studs, two opposing longitudinal sidewalls interconnected by a planar section bridge or web, where said planar section bridge or web is formed, at least in part, with expanded metal (or deployed metal). The amount of metal used is thus less than with standard channels, allowing cost reduction.
  • the invention provides a drywall frame comprising :
  • U-channel at least one U-channel, said U-channel comprising two opposing longitudinal sidewalls (2, 3) interconnected by a planar web (4), where said planar web comprises openings
  • the openings are placed in the central part of said planar web, or in which the openings are placed at distal parts of said planar web, or in which the openings are placed at the edges formed by the planar web and the sidewalls.
  • the openings are slots.
  • the slots can be arranged in rows.
  • the slots can be arranged in one row located in the median part of the web.
  • the slots can be arranged in two or more rows located in the median part of the web, at distal parts of said planar web or at the edges formed by the planar web and the sidewalls.
  • the slots can have the following dimensions: length from 80mm to 500mm, preferably from 200mm to 480mm; separation between the slots from 20mm to 150mm, preferably from 20mm to 50mm; width from 5mm to 100mm, preferably from 5mm to 80mm.
  • the openings are in the form of a grid.
  • the grid can extend from 10 to 80%, preferably from 30 to 60%, of the width of the planar web.
  • the openings are C, U or V shaped or generally chevron-like shapes and are intertwined in each other.
  • the openings can have the following dimensions: length of the chevron-like form from 10mm to 400mm, preferably from 50mm to 300mm; width of the chevron-like form from 5mm to 40mm, preferably from 5 mm to 30mm; width of the see-through part of the openings from 0.5mm to 30mm, preferably from 1 mm to 20mm.
  • the openings have all the same shape.
  • the openings are obtained by laser techniques, mechanical techniques with or without metal removal including punching, piercing, stamping, expanding and deploying.
  • the drywall frame can be a single frame.
  • the invention also provides a drywall comprising the drywall frame of the invention together with a plurality of boards, preferably plasterboards, affixed onto said studs on each side thereof and preferably onto said U- channels.
  • the drywall further comprises a filler material placed between the boards.
  • the invention also provides the use of the U-channel of the invention for improving the acoustic properties of drywalls.
  • the drywall is a single frame, a staggered frame or a double frame.
  • the present invention allows improving the sound absorbing properties of a drywall.
  • the channels are affixed in the floor or ceiling of the room, it was believed, until the invention, that they will not serve in the sound transmission through the drywall.
  • the inventors have found that the U-channel does participate to the acoustic properties, and in an even more surprising manner that the technical solutions known for studs cannot be applied to the U-channels. Indeed, studs with merely openings or slots in the central planar web do not exhibit any improvement in the acoustic properties while the very same type of openings or slots does provide an improvement when applied to U-channels.
  • the invention is based, at least partly, on this surprising finding.
  • Figure 1 represents a perspective view of a first embodiment of the invention.
  • Figure 2 represents a perspective view of a second embodiment of the invention.
  • Figure 3 represents a top view from different embodiments of the invention.
  • Figure 4 represents a top view from different embodiments of the invention.
  • Figure 5 represents a single frame of the invention with plasterboards being mounted on it.
  • the metallic frame of the invention comprises at least one U-channel, and a plurality of studs, said studs being introduced into said channels, where the channels longitudinal sidewalls will maintain said studs in place. This is conventional in the art and the methods for erecting drywalls are not changed with the invention.
  • the invention is based on the use of a specific U-channel (or runner or track), used in combination with acoustic studs, so as to provide a metallic structure where all elements are designed to improve the acoustic properties of the final drywall.
  • the U-channel (1 ) of the invention comprises two opposing longitudinal sidewalls (2, 3) interconnected by a planar web (4), where said planar web comprises openings (5a, 5b, etc).
  • the sidewalls (2, 3) are substantially parallel to one another and/or substantially equal in width.
  • Preferred dimensions for the U-channel are the following: 48, 50, 62, 70, 75, 90, 100, 146, 150 and 200.
  • the planar web 4 may be from 36mm to 200mm, preferably from 48mm to 150mm, in width.
  • the width of the sidewalls (2, 3) may be from 25mm to 50mm, preferably from 25mm to 35mm.
  • the thickness of the metal foil used to manufacture the U-channel is adapted, and is generally 0.5 or 0.6mm, but other thicknesses can be used if needed.
  • the metal is standard and does not need any adaptation.
  • the openings can be placed in the central portion of the planar web, as is represented in figure 1 .
  • the openings may be located at more than one location in the web.
  • the openings can have various shapes.
  • One preferred shape is a slot, with an elongated shape.
  • the openings generally comprise a plurality of slots, arranged in a row or a plurality of rows, typically 2 or 3 adjacent rows. In the event more than one row of slots is present, the slots can be placed in correspondence, or be offset one with respect to the other. The offset may be symmetrical or not.
  • Figure 3a represents the embodiment shown in figure 1 , viewed from the above, for the web part 4 only.
  • Figure 3b is a variant, with slots of substantially greater surface.
  • Figure 3c represents an embodiment where the slots (5a, 5b, 5c, 5d, 5e) are arranged in two adjacent rows (6a, 6b), the slots being offset.
  • first and second rows of slots are provided, with the second row of slots being displaced along the length of the planar web 4 by approximately half the length of a slot with respect to the first row of slots.
  • the two rows of slots are equally spaced apart the median line of the planar web 4.
  • Figure 3d represents an embodiment where the slots (5a, 5b, 5c, 5d, 5e, 5f) are arranged in two adjacent rows (6a, 6b), the slots being aligned from one row to another.
  • the length of the slots may be from 80mm to 500mm, preferably from 200mm to 480mm.
  • the separation between the slots along the direction of one given row may be from 20mm to 150mm, preferably from 20mm to 50mm. (The length to separation ratio of the slots can be approximately 4:1 to 25:1 , preferably 5:1 to 15:1 ).
  • the width of the slots may be from 5mm to 100mm, preferably from 5mm to 80mm.
  • a row of diagonal slots can also be used, preferably in the median part of the planar web.
  • the slots then would extend across part or whole of the width of the planar web.
  • the openings may also have other designs such as C or U or V shapes, generally speaking chevronlike shapes, where the C or U or V openings or chevrons-like are intertwined in each other, the respective apex are opposite one to the other. More than one of such chevron-like openings may be present in a row, as is represented in figure 4d. Alternatively the rows can be repeated at different locations on the web of the U-channel. With this geometry, the sound track is longer than for a direct connection. Sound attenuation is thus improved with this geometry.
  • the length of the C/U/V (chevron-like) openings may be from 10mm to
  • the width of the C/U/V (chevronlike) form may be from 5mm to 40mm, preferably from 5 mm to 30mm.
  • the width of the openings i.e. the part that is see-through
  • the width of the openings may be from 0.5mm to 30mm, preferably from 1 mm to 20mm.
  • Two or more chevron-like openings may be used for the repetition of the pattern. Otherwise the dimensions provided above would equally apply.
  • the distance between adjacent axis of rows of intertwined chevron-like openings is such that the distance between two slots from two different parallel adjacent rows may be from 10mm to 150mm, preferably from 10mm to 80mm.
  • the openings can also be in the form of a grid, notably obtained by metal expansion or deployment.
  • the grid may extend over a part of the planar web, or over substantially the entire width of the web.
  • the grid may thus extend from 10 to 80%, preferably from 30 to 60% of the width of the planar web.
  • Holes e.g. formed by mechanical processes, are also possible.
  • the metal that may remain after formation of the openings will preferably remain in the inner volume of the U-channel; a flat and smooth surface may thus remain available on the outer of the U-channel.
  • Openings are preferably all of the same shape, with the same length and width.
  • Laser cutting is one technique, which can be used on-line.
  • Other techniques using mechanical tools can be used, as is known in the art.
  • Punching, piercing, stamping and any other known methods can be used.
  • Metal expansion or deployment is also a possible method.
  • Existing U-channels or tracks formed using the latter technique are already known.
  • Openings can be formed with or without metal removal.
  • the metal that is taken out of the piece to form the openings remain preferably on one side of the metal sheet.
  • Openings, e.g. slots can be stamped through and have slot edges set upright toward one side. Said upright slot edges preferably protrude into an interior portion of said upright section.
  • Possible U-channels that can be used in the invention are the maxi-tec products or those manufactured by Dalian (expanded metal, optionally folded).
  • the web of the U-channel could be totally flat or with large groove. Both embodiments are known in the field of channels. When simply placed on the wall, the planar web will show a gap, with the substrate, of about 0.5 to 2mm, for example. This may be useful during manufacture of the channel. The embodiment with large groove can also be useful during use, since the sidewalls will, as a consequence of the planar web being forced towards the floor or ceiling, bend towards the interior of the channel and provide improved grasping of the studs.
  • the acoustic studs used in the invention for manufacture of the frame are those studs which are known to improve the acoustic properties of a drywall.
  • a stud will be defined as acoustic if, when used in a standard drywall instead of a standard stud with the same metal thickness, provides a gain of at least 2dB for the sound transmission across the wall.
  • Examples of acoustic studs are those subject of WO-A-03/102322 and EP-A-1074671 . Sound performances are measured using the standards defined in the examples section.
  • Acoustic studs typically comprise two opposing longitudinal sidewalls interconnected by a section bridge, said bridge having elastic properties.
  • the section bridge comprises first and second substantially planar members connected to the respective sidewalls and a member interconnecting the first and second planar members, the latter member providing the resilience. Resilience is improved in studs by the use of perforations, typically slots arranged along the longitudinal direction of the stud.
  • the invention can be practiced with any kind of acoustic stud.
  • the invention can be used for double-frame walls or staggered walls, it is preferably to use the invention for single-frame walls.
  • the metallic frame is used with standard wallboards such as plasterboards.
  • the walls are erected according to the known standards.
  • Figure 4 represents a single frame erected, with plasterboards being mounted on it.
  • the U-channels also known as runners or tracks or beams ) are secured (typically with screws or glue) to the floor and ceiling of the room.
  • Acoustical studs 7 are inserted into the U-channels.
  • Plasterboards 8 are then fixed onto the studs in a standard manner (e.g. with screws).
  • Plasterboards are also preferably fixed onto the U-channels in a standard manner (e.g. with screws).
  • An insulating material such as mineral woo, rock wool, glass wool, spun bonded polyester wool foamed plastics, foamed polymers, or any filler material known to improve acoustic properties, can be used to fill in the gap inside the drywall. This is conventional in the art.
  • the invention further relates to the use of the U-channel for improving the acoustic properties of the drywalls. This improvement is reached in single-frame drywalls, but also in staggered frame or even in double-frame drywalls.
  • the present invention allows replacing the corners/angles typically used and yet obtain improved acoustic properties.
  • the U-channels of the invention also provide ease of handling, notably compared to corners/angles, especially on the site of use. They are also easier to align, compared again to angles/corners. U-channels of the invention are otherwise handled in a way similar to standard U-channels.
  • the sound performances are measured according to standards, BS
  • the acoustic performances Rw+C are measured for a double-frame drywall with standard 62 studs. Width of the channel and the studs are 62 mm. Are tested angles/corners, standard U-channels ("std channel”), a U- channel according to the embodiment of figure 3b ("U-channel 1 ”) and a U- channel according to the embodiment of figure 4e and ("U-channel 2").
  • U- channel 1 comprises slots of a length of 230mm, a width of 45mm and separations between two slots of 50mm.
  • U-channels 2 comprises chevronlike openings, with a length for the central part of 200mm, flanked with inclined parts, these parts forming an angle of 45° with the axis of the slot and being 20mm long each (thus forming a width of about 14.14mm).
  • Two parallel chevron-like openings are offset one with respect to the other by 20mm. The see-through is about 1 mm.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

La présente invention concerne un cadre de paroi sèche comprenant : au moins un canal en U, ledit canal en U comprenant deux parois latérales longitudinales opposées interconnectées par un réseau plan, ledit réseau plan comprenant des ouvertures ; une pluralité de goujons acoustiques. La présente invention concerne également l'utilisation du canal en U de l'invention pour améliorer les propriétés acoustiques de la paroi sèche.
EP11778620.2A 2011-11-03 2011-11-03 Cadre pour paroi sèche et paroi sèche ayant des propriétés acoustiques améliorées Active EP2773821B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/069376 WO2013064191A1 (fr) 2011-11-03 2011-11-03 Paroi sèche ayant des propriétés acoustiques améliorées et canal pour celle-ci

Publications (2)

Publication Number Publication Date
EP2773821A1 true EP2773821A1 (fr) 2014-09-10
EP2773821B1 EP2773821B1 (fr) 2017-04-05

Family

ID=44906143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11778620.2A Active EP2773821B1 (fr) 2011-11-03 2011-11-03 Cadre pour paroi sèche et paroi sèche ayant des propriétés acoustiques améliorées

Country Status (5)

Country Link
EP (1) EP2773821B1 (fr)
DK (1) DK2773821T3 (fr)
ES (1) ES2625820T3 (fr)
PL (1) PL2773821T3 (fr)
WO (1) WO2013064191A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2835473A1 (fr) 2013-08-09 2015-02-11 Recticel Ensemble d'éléments de construction pour partitionnement de l'espace

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2052024A (en) * 1934-11-20 1936-08-25 Harry W Hahn Metal stud for buildings
US3999343A (en) * 1974-01-01 1976-12-28 United States Gypsum Company Partition and stud therefor
AU4864196A (en) * 1995-02-02 1996-08-21 Robert M.M. Haddock Frame for a building structure and method of assembling the same
DE19934310A1 (de) 1999-07-21 2001-01-25 Profil Vertrieb Gmbh Als Leichtbauprofil ausgebildetes Ständerprofil
SE516488C2 (sv) * 2000-01-31 2002-01-22 Gasel Profil Ab Rännformigt bärelement av metallplåt för väggskiva eller liknande.
GB0212734D0 (en) 2002-05-31 2002-07-10 Lafarge Plasterboard Ltd Wall stud
US20070163191A1 (en) * 2006-01-06 2007-07-19 Berry John H Mold resistant structural drywall track

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2013064191A1 *

Also Published As

Publication number Publication date
WO2013064191A1 (fr) 2013-05-10
PL2773821T3 (pl) 2017-09-29
DK2773821T3 (en) 2017-07-10
ES2625820T3 (es) 2017-07-20
EP2773821B1 (fr) 2017-04-05

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