EP2700763B1 - Sealing sheet - Google Patents

Sealing sheet Download PDF

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Publication number
EP2700763B1
EP2700763B1 EP13003565.2A EP13003565A EP2700763B1 EP 2700763 B1 EP2700763 B1 EP 2700763B1 EP 13003565 A EP13003565 A EP 13003565A EP 2700763 B1 EP2700763 B1 EP 2700763B1
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EP
European Patent Office
Prior art keywords
sealing sheet
micro
perforation
edge
sheet according
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.)
Active
Application number
EP13003565.2A
Other languages
German (de)
French (fr)
Other versions
EP2700763A3 (en
EP2700763A2 (en
Inventor
Markus Watermann
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.)
Watermann Polyworks GmbH
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Watermann Polyworks GmbH
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Publication date
Application filed by Watermann Polyworks GmbH filed Critical Watermann Polyworks GmbH
Publication of EP2700763A2 publication Critical patent/EP2700763A2/en
Publication of EP2700763A3 publication Critical patent/EP2700763A3/en
Application granted granted Critical
Publication of EP2700763B1 publication Critical patent/EP2700763B1/en
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Classifications

    • 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
    • E04B1/625—Sheets or foils allowing passage of water vapor but impervious to liquid water; house wraps
    • 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
    • E04B1/665—Sheets or foils impervious to water and water vapor

Definitions

  • the invention relates to a vapor-retardant or vapor-blocking sealing membrane, in particular made of a film composite, which is to be fixed after setting by means of a waterproof adhesive, a waterproof primer of a wall or the like, a solvent-containing, largely water-impermeable connecting means.
  • sealing sheets designed as film composites have a vapor-inhibiting or vapor-blocking film, for example a polyolefin film, which is covered with a fleece, at least on one side, with an adhesive, a primer for a wall, a mortar or the same bonding agent, at least on one side.
  • a vapor-inhibiting or vapor-blocking film for example a polyolefin film, which is covered with a fleece, at least on one side, with an adhesive, a primer for a wall, a mortar or the same bonding agent, at least on one side.
  • the document US 2004/0103608 shows a sealing membrane according to the preamble of claim 1.
  • the invention makes it an object to provide a sealing membrane of the type mentioned, which on the one hand allows a quick setting of a damp substrate or adhesive, but on the other hand the function of the sealing membrane is guaranteed throughout.
  • this technical problem can be solved by an edge-side micro-perforation, which allows diffusion of the solvent during setting, but which is securely closed by the connecting means vapor-inhibiting or vapor-blocking after the connecting means has set.
  • the connecting means sets, it closes off the micro-perforation in a vapor-tight manner, since with such a micro-perforation introduced into the sealing membrane without loss of material, in contrast to comparatively large-area recesses, the connecting means can do this.
  • a micro-perforation consists of individual punctures and / or incisions without any loss of material from the sealing membrane.
  • Such a perforation can be introduced in a simple manner, for example by means of knives or needles, when passing between calender rolls.
  • the micro-perforation can then be arranged in a simple manner in a row parallel to the edge. If, in particular, slot-like incisions run parallel to an edge of the sealing membrane, there is hardly any risk of the sealing membrane tearing off the edge. This contributes if it is further provided that the distance between the incisions corresponds to the length of an incision.
  • the dimensions of the slot should be less than 1 centimeter in length.
  • the positioning of the micro-perforation towards the edge is such that the distance between the micro-perforation and the edge is less than 2 centimeters.
  • the micro-perforation will be arranged between the edge and an overlap marking, so that when individual sealing sheets of the invention are placed against one another in the overlapping area through the micro-perforation, diffusion can take place.
  • the sealing membrane according to the invention is explained in more detail with reference to the drawing, in which only one embodiment is shown in a plan view.
  • the sealing membrane 1, shown in a top view, consists, for example, of a diffusion-inhibiting film, which can be covered on both sides with an adhesive or the like with a fleece for better adhesion.
  • Slits 4.5 are introduced as micro-perforations parallel to both edges 2, 3, without any loss of material from the sealing membrane 1.
  • the length of a slot 4.5 is preferably less than 1 cm and the spacing of the slots 4.5 from one another is also approximately 1 cm, corresponding to the slot length.
  • the distance x between the slots 4.5 and the edges 2.3 is less than 2 centimeters and the slots 4.5 lie between the edges 2.3 and the overlap markings 6.7 applied to the sealing membrane 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Packages (AREA)
  • Sealing Material Composition (AREA)

Description

Die Erfindung betrifft eine mittels eines wasserfesten Klebers, einer wasserfesten Grundierung einer Wand oder dergleichen, ein Lösungsmittel aufweisendes, nach einem Abbinden weitgehend wasserundurchlässigen Verbindungsmittels festzulegende, dampfhemmende oder dampfsperrende Dichtbahn, insbesondere aus einem Folienverbund.The invention relates to a vapor-retardant or vapor-blocking sealing membrane, in particular made of a film composite, which is to be fixed after setting by means of a waterproof adhesive, a waterproof primer of a wall or the like, a solvent-containing, largely water-impermeable connecting means.

Derartige Dichtbahnen sind in vielfältigen Ausführungsformen bekannt und bewährt.Such sealing sheets are known and proven in various embodiments.

Häufig weisen solche als Folienverbünde ausgeführten Dichtbahnen eine dampfhemmende oder dampfsperrende Folie auf, bspw. eine Polyolefinfolie, die für ein besseres Verhaften mit einem Kleber, einer Grundierung einer Wand, einem Mörtel oder der gleichen Verbindungsmittel, zumindest einseitig, mit einem Vlies belegt ist.Often, such sealing sheets designed as film composites have a vapor-inhibiting or vapor-blocking film, for example a polyolefin film, which is covered with a fleece, at least on one side, with an adhesive, a primer for a wall, a mortar or the same bonding agent, at least on one side.

Es treten insbesondere bei der Verwendung wasserlöslicher Kleber und Mörtel Probleme bei der Abbindung derselben auf, da aufgrund der dampfhemmenden bzw. dampfsperrenden Funktion der Dichtbahn ein hindurchdiffundieren von Wasser, aber auch anderen Lösungsmitteln, für ein Abbinden des Klebers oder anderer lösungsmittelhaltiger Verbindungsmittel praktisch ausgeschlossen ist.Problems arise when setting the same when using water-soluble adhesives and mortar, because the vapor-inhibiting or vapor-blocking function of the sealing membrane means that water and other solvents cannot diffuse through for setting the adhesive or other solvent-based fasteners.

Es wurde versucht, diesem Problem mit Ausnehmungen in der Dichtbahn zu begegnen, was jedoch dazu geführt hat, dass die dampfhemmende oder dampfsperrende Funktion der Dichtbahn nicht mehr erfüllt wurde, da die regelmäßig zur Anwendung kommenden Verbindungsmittel die sd-Werte der Folien nicht annähernd erreichen.Attempts have been made to counteract this problem with recesses in the sealing membrane, which, however, has resulted in the steam-inhibiting or vapor-blocking function of the sealing membrane no longer being fulfilled, as the connecting means that are regularly used do not even come close to the s d values of the foils .

Das Dokument US 2004/0103608 zeigt eine Dichtbahn gemäß dem Oberbegriff des Anspruchs 1. Vor diesem technischen Hintergrund macht die Erfindung es sich zur Aufgabe, eine Dichtbahn der eingangs erwähnten Art zur Verfügung zu stellen, die einerseits ein zügiges Abbinden eines feuchten Untergrundes oder Klebers erlaubt, die aber andererseits die Funktion der Dichtbahn sicher im ganzen gewährleistet.
Überraschenderweise hat sich gezeigt, dass diese technische Problematik durch eine randseitige Mikro-Perforation gelöst werden kann, die zwar eine Diffusion des Lösungsmittels während des Abbindens ermöglicht, die aber nach einem Abbinden des Verbindungsmittels sicher durch das Verbindungsmittel dampfhemmend oder dampfsperrend verschlossen ist.
Es wird dabei davon ausgegangen, dass es durch die randseitige Mikro-Perforation dort zu einem raschen und guten Verhaften der Dichtbahn mit dem Untergrund kommt, so dass im Übrigen auch bei einem langsamen Abbindungsprozess des Untergrundes es zu keinem Verrutschen oder gar Abfallens der Dichtbahn kommt.
Mit Abbinden des Verbindungsmittels schließt dieses die Mikro-Perforation dampfdicht ab, da bei einer solchen Mikro-Perforation, ohne Materialverlust in die Dichtbahn eingebracht, im Gegensatz zu vergleichsweise großflächigen Ausnehmungen das Verbindungsmittel solches zu leisten vermag.The document US 2004/0103608 shows a sealing membrane according to the preamble of claim 1. Against this technical background, the invention makes it an object to provide a sealing membrane of the type mentioned, which on the one hand allows a quick setting of a damp substrate or adhesive, but on the other hand the function of the sealing membrane is guaranteed throughout.
Surprisingly, it has been shown that this technical problem can be solved by an edge-side micro-perforation, which allows diffusion of the solvent during setting, but which is securely closed by the connecting means vapor-inhibiting or vapor-blocking after the connecting means has set.
It is assumed that the edge-side micro-perforation there leads to a quick and good adhesion of the sealing membrane to the substrate, so that even with a slow setting process of the substrate, the sealing membrane does not slip or even fall off.
When the connecting means sets, it closes off the micro-perforation in a vapor-tight manner, since with such a micro-perforation introduced into the sealing membrane without loss of material, in contrast to comparatively large-area recesses, the connecting means can do this.

Insbesondere bei breiten, sich bei einem Anbringen überlappenden Dichtbahnen nach der Erfindung kann nur eine randseitige Mikro-Perforation vorgesehen sein. Überlappt der mit der Mikro-Perforation versehene Rand einer außen liegenden Dichtbahn mit dem Rand einer darunter liegenden Dichtbahn ohne Mikro-Perforation ist einerseits eine Abdichtung sicher gewährleistet und kommt es anderseits zu einem raschen Abbinden bspw. eines Klebers zwischen den Dichtbahnen, da dort das Lösungsmittel des Klebers durch die Mikro-Perforation in die Umgebung diffundieren kann.
Alternativ kann weiter vorgesehen sein, dass an zwei gegenüberliegenden Rändern jeweils eine Mikro-Perforation vorgesehen ist.
Damit wird die Dichtbahn nach der Erfindung an zwei gegenüberliegenden Rändern rasch und sicher auf einem Untergrund gehalten.In particular in the case of wide sealing sheets according to the invention that overlap when they are attached, only one edge-side micro-perforation can be provided. If the with the edge of an outer sealing membrane provided with the micro-perforation with the edge of a sealing membrane underneath without micro-perforation, a seal is reliably ensured on the one hand and, on the other hand, there is rapid setting, e.g. of an adhesive between the sealing membranes, since the solvent of the adhesive is there can diffuse through the micro-perforation into the environment.
Alternatively, provision can also be made for a micro-perforation to be provided on each of two opposite edges.
In this way, the sealing membrane according to the invention is quickly and securely held on a substrate at two opposite edges.

In der Dichtbahn nach der Erfindung ist vorgesehen, dass eine Mikro-Perforation aus einzelnen Einstichen und/oder Einschnitten ohne Materialverlust der Dichtbahn besteht.
Solch eine Perforation ist in einfacher Weise beispielsweise bei einem Durchlauf zwischen Kalanderwalzen durch Messer oder Nadeln einbringbar.In the sealing membrane according to the invention it is provided that a micro-perforation consists of individual punctures and / or incisions without any loss of material from the sealing membrane.
Such a perforation can be introduced in a simple manner, for example by means of knives or needles, when passing between calender rolls.

Es kann dann in einfacher Weise die Mikro-Perforation in einer Reihe parallel zu dem Rand angeordnet sein.
Verlaufen insbesondere schlitzartige Einschnitte parallel zu einem Rand der Dichtbahn, so besteht kaum eine Gefahr eines randseitigen Ausreißens der Dichtbahn.
Dazu trägt bei, wenn weiter vorgesehen ist, dass der Abstand der Einschnitte untereinander der Länge eines Einschnitts entspricht.
Dabei sollten die Abmessungen des Schlitzes hinsichtlich der Länge weniger als 1 Zentimeter betragen.The micro-perforation can then be arranged in a simple manner in a row parallel to the edge.
If, in particular, slot-like incisions run parallel to an edge of the sealing membrane, there is hardly any risk of the sealing membrane tearing off the edge.
This contributes if it is further provided that the distance between the incisions corresponds to the length of an incision.
The dimensions of the slot should be less than 1 centimeter in length.

Die Positionierung der Mikro-Perforation hin zu dem Rand ist derart, dass der Abstand der Mikro-Perforation zu dem Rand weniger als 2 Zentimeter beträgt.The positioning of the micro-perforation towards the edge is such that the distance between the micro-perforation and the edge is less than 2 centimeters.

Bei einer solchen Beabstandung wird die Mikro-Perforation zwischen dem Rand und einer Überlappungsmarkierung angeordnet sein, so dass bei dem Aneinandersetzen von einzelnen Dichtbahnen der Erfindung im Überlappungsbereich durch die Mikro-Perforation eine Diffusion stattfinden kann.
Die Dichtbahn nach der Erfindung wird anhand der Zeichnung näher erläutert, in der lediglich ein Ausführungsbeispiel in einer Draufsicht gezeigt ist.With such a spacing, the micro-perforation will be arranged between the edge and an overlap marking, so that when individual sealing sheets of the invention are placed against one another in the overlapping area through the micro-perforation, diffusion can take place.
The sealing membrane according to the invention is explained in more detail with reference to the drawing, in which only one embodiment is shown in a plan view.

Die Dichtbahn 1, wiedergegeben in einer Draufsicht, besteht bspw. aus einer diffusionshemmenden Folie, die beidseitig für ein besseres Verhaften mit einem Kleber oder der Gleichen mit einem Vlies belegt sein kann.The sealing membrane 1, shown in a top view, consists, for example, of a diffusion-inhibiting film, which can be covered on both sides with an adhesive or the like with a fleece for better adhesion.

Parallel zu beiden Rändern 2,3 sind als Mikro-Perforation Schlitze 4,5 eingebracht, ohne dass es zu einem Materialverlust der Dichtbahn 1 gekommen ist.
Dabei beträgt die Länge eines Schlitzes 4,5 bevorzugt weniger als 1 cm und beträgt der Abstand der Schlitze 4,5 untereinander entsprechend der Schlitzlänge ebenfalls etwa 1 cm.
Der Abstand x der Schlitze 4,5 hin zu den Rändern 2,3 beträgt weniger als 2 Zentimeter und liegen die Schlitze 4,5 zwischen den Rändern 2,3 und auf die Dichtbahn 1 aufgebrachten Überlappungsmarkierungen 6,7.Slits 4.5 are introduced as micro-perforations parallel to both edges 2, 3, without any loss of material from the sealing membrane 1.
The length of a slot 4.5 is preferably less than 1 cm and the spacing of the slots 4.5 from one another is also approximately 1 cm, corresponding to the slot length.
The distance x between the slots 4.5 and the edges 2.3 is less than 2 centimeters and the slots 4.5 lie between the edges 2.3 and the overlap markings 6.7 applied to the sealing membrane 1.

Bezugszeichenliste:List of reference symbols:

1.1.
DichtbahnSealing membrane
2.2.
Randedge
3.3.
Randedge
4.4th
Schlitzslot
5.5.
Schlitzslot
6.6th
ÜberlappungsmarkierungOverlap marking
7.7th
ÜberlappungsmarkierungOverlap marking
XX
Abstanddistance

Claims (7)

  1. Sealing sheet of a film composite, which is to be fixed by means of a waterproof adhesive, a waterproof primer of a wall or the like, a connection medium comprising a solvent, which is largely impermeable to water after setting, and which is vapor-blocking, characterized in in that a micro-perforation consisting of individual punctures and/or incisions is provided at the edge of the sealing sheet only at a distance from the edge of the sealing sheet of less than 2 cm without loss of material of the sealing sheet and the remaining area of the sealing sheet does not exhibit any micro-perforation, and in that the micro-perforation allows diffusion of the solvent during setting, and in that, after setting of the connection medium, the micro-perforation is securely closed by the connection means in a vapor-inhibiting or vapor-blocking manner.
  2. Sealing sheet according to claim 1, characterized in that a micro-perforation is provided on each of two opposite edges.
  3. Sealing sheet according to one or more of the preceding claims, characterized in that the micro-perforation is arranged in a row parallel to the edge.
  4. Sealing sheet according to one or more of the preceding claims, characterized in that slit-like incisions run parallel to an edge.
  5. Sealing sheet according to claim 4, characterized in that the distance between the incisions corresponds to the length of one incision.
  6. Sealing sheet according to one or more of the preceding claims, characterized in that the length of an incision is less than 1 cm.
  7. Sealing sheet according to one or more of the preceding claims, characterized in that the micro-perforation is arranged between the edge and an overlap mark.
EP13003565.2A 2012-08-20 2013-07-16 Sealing sheet Active EP2700763B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012007883U DE202012007883U1 (en) 2012-08-20 2012-08-20 Dichtbahn

Publications (3)

Publication Number Publication Date
EP2700763A2 EP2700763A2 (en) 2014-02-26
EP2700763A3 EP2700763A3 (en) 2014-12-17
EP2700763B1 true EP2700763B1 (en) 2020-12-16

Family

ID=48793860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13003565.2A Active EP2700763B1 (en) 2012-08-20 2013-07-16 Sealing sheet

Country Status (4)

Country Link
EP (1) EP2700763B1 (en)
DE (1) DE202012007883U1 (en)
DK (1) DK2700763T3 (en)
ES (1) ES2858470T3 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001012022A (en) * 1999-06-29 2001-01-16 Rivall:Kk Waterproofing method using fabric type perforated sheet
CA2413550C (en) * 2002-12-03 2009-01-20 Bakor Inc. Self-adhering vapor permeable air and moisture barrier membrane
WO2008002934A2 (en) * 2006-06-26 2008-01-03 Crowley Shawn K Flexible weather resistant building wrap
DE202011051559U1 (en) * 2011-10-06 2011-11-17 Saniku S.A. decoupling membrane

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2858470T3 (en) 2021-09-30
EP2700763A3 (en) 2014-12-17
DK2700763T3 (en) 2021-02-22
EP2700763A2 (en) 2014-02-26
DE202012007883U1 (en) 2013-11-21

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