EP0441295A1 - Méthode pour l'assainissement de façades de bâtiments - Google Patents

Méthode pour l'assainissement de façades de bâtiments Download PDF

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Publication number
EP0441295A1
EP0441295A1 EP91101459A EP91101459A EP0441295A1 EP 0441295 A1 EP0441295 A1 EP 0441295A1 EP 91101459 A EP91101459 A EP 91101459A EP 91101459 A EP91101459 A EP 91101459A EP 0441295 A1 EP0441295 A1 EP 0441295A1
Authority
EP
European Patent Office
Prior art keywords
plaster
disc
diamond
diameter
shaped section
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.)
Withdrawn
Application number
EP91101459A
Other languages
German (de)
English (en)
Inventor
Albert Kubbutat
Micha Rust
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.)
Sto Poraver GmbH
Original Assignee
Sto Poraver GmbH
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 Sto Poraver GmbH filed Critical Sto Poraver GmbH
Publication of EP0441295A1 publication Critical patent/EP0441295A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E04F13/045—Means for fastening plaster-bases to a supporting structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0296—Repairing or restoring facades

Definitions

  • the invention relates to a method for refurbishing building facades with an outer coating in the form of an old plaster layer, preferably a full thermal insulation composite system, or the like.
  • renovation of such building facades in need of renovation can be achieved with significantly lower production costs by first fixing rigid plaster base plates of very small thickness up to a maximum of 10 mm, preferably less than 8 mm by means of gluing or the like, to the existing outer coating and then with holes extending into the masonry be provided that the plaster base plates in the area around each hole are each provided with a countersinking of a depth which is less than the thickness of the plaster base plates, that then by introducing a plug filling the hole in the masonry with a flat head, the at least part fills the recess, the plaster base plates are secured in their adhesive position and that a new plaster layer is then applied to the facade panel unit formed by the plaster base plates.
  • plaster base boards are preferred as plaster base boards;
  • plaster base plates in the form of lightweight structural elements made of expanded glass, expanded clay, polystyrene, polyurethane foam, expanded slate, expanded mica, pressed glass fibers or the like, with the addition of binders, with a glass fabric layer, preferably fixed on both outer sides, which increases the bending stiffness Exterior coating be applied.
  • these are characterized by their lightness and particularly high bending stiffness, but on the other hand, in view of the applicable fire protection regulations, they are also characterized by their resistance under extreme temperature conditions.
  • the plaster base plates could also be more or less resiliently flexible on the surface other than by interposing an adhesive layer, if necessary with the inclusion of unevenness-compensating felt strips on the surface, for example with the help of pens, as they are used to determine Use roofing felt before the final fixation is done using the dowels.
  • fixing by gluing is preferable insofar as slight curvatures or unevenness in the existing old building exterior coating can be compensated for directly by choosing adhesive layers of different thicknesses.
  • Particularly suitable as an adhesive is an elastic adhesive with a cementitious structure possibly containing dispersion additives.
  • a dowel with a dowel head which completely fills the recess in the plaster base plate, the dowel head not necessarily being compact, i.e. must be metallic.
  • a free space remains above the dowel head and it has proven to be advantageous if, before the plaster layer is applied to the facade panel unit formed by the plaster base plates, the space of the recess not filled by the flat dowel head is filled with a filler.
  • the invention is further directed to an apparatus for performing the method.
  • This is characterized by the fact that to produce the holes with a recess for receiving one with a flat
  • a stone drill is provided for the headed dowel, which is provided on its drill shank with a diamond-coated section of a diameter corresponding to the desired diameter of the countersink.
  • the stone drill comprises a drilling depth limiter, which is secured against axial displacement and determines the drilling depth of the diamond-coated disk-shaped section, and which projects beyond the area of the diamond-coated disk-shaped section of the stone drill the outside surface comes to the plant. If the diamond-coated disc-shaped section for determining the axial position of the drilling depth limiter has a thickness at least over a portion of its diameter that corresponds to the desired depth of the recess, then a stop is created in which the drilling depth limiter comes to rest.
  • the drilling depth limiter is formed by a disk, the diameter of which is larger than the diameter of the diamond-coated disk-shaped section.
  • the diamond-coated disk-shaped section is expediently provided with a guide attachment which favors its precise alignment in a plane including a right angle with the axis of the stone drill. It has proven to be advantageous if the guide projection is in the form of a cone, the tip of which is directed towards the drill tip. Of course, this cone, like the disk-shaped section, has a diamond coating on its surface. With the help of this cone the hole for the dowel receptacle receives a conical extension in the outer area of the hole, which is adapted to the dowel used.
  • a particularly easy and secure fixation of the diamond-coated disk-shaped section on the stone drill can be achieved if this section is provided on the side facing away from the tip of the stone drill with an axial cylindrical projection which has at least one radial threaded hole for receiving a fixing screw.
  • an elastic adhesive 3 of a commercially customary design for example a cementitious adhesive containing dispersion additives, is first applied, with the aid of which rigid plaster base plates 4 of very small thickness up to a maximum of 10 mm, preferably less than 8 mm, namely 6 mm, are applied to the outer coating Let 2 determine.
  • plaster base plates 4 are in the form of lightweight components with a core 4 'made of expanded glass, expanded clay, polystyrene, polyurethane foam, expanded slate, expanded mica, pressed glass fibers or the like, with the addition of binders, with a glass fabric layer 4 which is preferably fixed on both outer sides and increases the bending stiffness '' or 4 '''.
  • a glass fabric layer 4 which is preferably fixed on both outer sides and increases the bending stiffness '' or 4 '''.
  • To firmly anchor the plaster base plates 4 forming a facade panel unit they are each provided with a bore 5 extending into the masonry 1, which accommodates a dowel 6, cf. Fig. 2 serves.
  • the latter has a flat head 7, for the reception of which in the plaster base plate 4 a recess 8 concentrically surrounding the bore 5 is formed.
  • the facade panel unit created in this way from a large number of plaster base plates 4 is then coated with a new plaster layer 9.
  • a stone drill 12 is used, which is provided on its drill shaft 13 with a diamond-coated disk-shaped section 14 of a diameter corresponding to the desired diameter of the countersink 8.
  • the stone drill 12 comprises a drilling depth limiter 15 which is secured against axial displacement and determines the drilling depth of the diamond-coated disc-shaped section 14. This protrudes beyond the area of the diamond-coated disc-shaped section of the stone drill 12 and comes to bear against the outer surface 11 of the plaster base plate 4.
  • the diamond-coated disk-shaped section 14 has a thickness at least over a portion of its diameter which corresponds to the desired depth of the countersink 8.
  • the drilling depth limiter is in the preferred embodiment illustrated in FIG Disc 15 is formed, the diameter of which is larger than the diameter of the diamond-coated disc-shaped section 14.
  • this section is provided with a guide projection 16 which is designed in the form of a cone, the tip of which is directed towards the drill tip.
  • a guide projection 16 which is designed in the form of a cone, the tip of which is directed towards the drill tip.
  • an axial cylindrical projection 17 on the side facing away from the tip of the stone drill.
  • This axial cylindrical extension 17 has at least one radial threaded bore for receiving a fixing screw 18.
  • This cylindrical projection 17 has an outer diameter which is smaller than that of the diamond-coated disc-shaped section 14.
  • the disk 15 forming the drilling depth limiter has a central bore with an inside diameter that corresponds to the outside diameter of the cylindrical extension 17.
  • a holding disc 19 is provided which is arranged coaxially with the cylindrical extension and is fixed to it. The diameter of this holding disc 19 is larger than the diameter of the cylindrical extension 17. In a manner not shown, the retaining disc 19 is fixed to the cylindrical extension 17 by means of screws.
  • the disc 15 forming the drilling depth limiter can rotate freely on the cylindrical extension 17.
  • the diamond-coated disc-shaped section 14 can consequently rotate together with the drill 12, whereas the disc 15 forming the drilling depth limiter at the latest when it comes into contact with the Plaster base plate 4 no longer participates in this rotation, but rather comes to a standstill.
  • the dowel 6 used is shown in simplified form in FIG. 2.
  • this dowel has a screw that coaxially penetrates it with a spreading mechanism.
  • a plastic stopper can be inserted which serves to prevent the formation of thermal bridges.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Finishing Walls (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
EP91101459A 1990-02-09 1991-02-04 Méthode pour l'assainissement de façades de bâtiments Withdrawn EP0441295A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4004015 1990-02-09
DE4004015A DE4004015A1 (de) 1990-02-09 1990-02-09 Verfahren zur sanierung von gebaeudefassaden

Publications (1)

Publication Number Publication Date
EP0441295A1 true EP0441295A1 (fr) 1991-08-14

Family

ID=6399818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101459A Withdrawn EP0441295A1 (fr) 1990-02-09 1991-02-04 Méthode pour l'assainissement de façades de bâtiments

Country Status (3)

Country Link
EP (1) EP0441295A1 (fr)
CA (1) CA2035840A1 (fr)
DE (1) DE4004015A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0810338A1 (fr) * 1996-06-01 1997-12-03 Wülfrather Zement GmbH Méthode pour la réparation et la réfection de surfaces munies d'enduit de façade
DE102007053380A1 (de) * 2007-11-09 2009-05-20 Knauf Marmorit Gmbh Wärmedämmverbundsystem für Gebäude und Verfahren zur Schaffung eines tragfähigen Untergrundes für Wärmedämmelemente eines Wärmedämmverbundsystems
WO2013108170A1 (fr) 2012-01-16 2013-07-25 Manifattura Del Seveso Spa Structure multifonction et procédé de fabrication correspondant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9201698U1 (de) * 1992-02-11 1993-06-09 Wiehofsky, Fritz, 8913 Schondorf Vorhängbares Fassadensystem für Wände in Plattenbauweise
CN111749485B (zh) * 2020-06-16 2025-02-11 上海天补科技有限公司 一种用于板材保温系统脱落、开裂与渗漏修复加固的方法与结构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2344143A (en) * 1942-08-24 1944-03-14 Ernist J Harding Depth gauge, countersink, and drill
NL8300524A (nl) * 1983-02-11 1984-09-03 Adrianus De Kreek Werkwijze voor het bekleden van muren en/of daken met een isolerende bekleding en bekledingsplaat geschikt voor toepassing bij een dergelijke werkwijze.
EP0086452B1 (fr) * 1982-02-12 1986-09-03 Fäster GmbH & Co. KG Befestigungstechnik Procédé de fixation d'une dalle isolante à enduire à une surface de bâtiment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2344143A (en) * 1942-08-24 1944-03-14 Ernist J Harding Depth gauge, countersink, and drill
EP0086452B1 (fr) * 1982-02-12 1986-09-03 Fäster GmbH & Co. KG Befestigungstechnik Procédé de fixation d'une dalle isolante à enduire à une surface de bâtiment
NL8300524A (nl) * 1983-02-11 1984-09-03 Adrianus De Kreek Werkwijze voor het bekleden van muren en/of daken met een isolerende bekleding en bekledingsplaat geschikt voor toepassing bij een dergelijke werkwijze.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0810338A1 (fr) * 1996-06-01 1997-12-03 Wülfrather Zement GmbH Méthode pour la réparation et la réfection de surfaces munies d'enduit de façade
DE102007053380A1 (de) * 2007-11-09 2009-05-20 Knauf Marmorit Gmbh Wärmedämmverbundsystem für Gebäude und Verfahren zur Schaffung eines tragfähigen Untergrundes für Wärmedämmelemente eines Wärmedämmverbundsystems
DE102007053380B4 (de) * 2007-11-09 2015-01-29 Knauf Marmorit Gmbh Anordnung aus einem Wärmedämmverbundsystem und einem Gebäudemauerwerk und Verfahren zur Befestigung von Wärmedämmelementen eines Wärmedämmverbundsystems an einem Gebäudemauerwerk
WO2013108170A1 (fr) 2012-01-16 2013-07-25 Manifattura Del Seveso Spa Structure multifonction et procédé de fabrication correspondant

Also Published As

Publication number Publication date
CA2035840A1 (fr) 1991-08-10
DE4004015A1 (de) 1991-08-14

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