DE202014003032U1 - Multi-layer masonry barrier - Google Patents

Abstract

Multi-layer masonry barrier (2) formed from at least one moisture-impermeable and / or vapor-blocking separating layer (4) made of aluminum, at least one protective layer (6a-b) connected to the separating layer (4), and at least one connected to the protective layer (6a-b), outer fleece layer (8a – b).

Description

The invention relates to a multi-layer masonry barrier, which is used against rising damp in masonry.

In construction, the sealing against moisture or against non-pressurized water plays an important role. To protect walls against damaging absorption of water, water-repellent protective coatings, mineral seals or impregnations such as plastic dispersions are used. Alternatively, PVC films or bitumen boards are applied in or under the walls.

It is an object of the invention to provide a masonry barrier, which is characterized by good processing properties, and an arrangement with such a masonry barrier.

This object is achieved with the features of claim 1 and 13, respectively. Advantageous embodiments are the subject of dependent claims.

According to claim 1, a multilayer masonry barrier or a multi-layer composite seal is provided. A masonry barrier is intended to prevent water from rising from the bottom or from below in a wall, from penetrating water from one part of a wall to another, and to allow drainage of water from an inner shell of a clam-shell wall to an exterior of the building , Masonry barriers can also be used for masonry chimneys and parapets to protect the inside of the building from water penetration.

The masonry barrier according to claim 1 has at least one moisture-impermeable and / or vapor-barrier separating layer of aluminum, at least one protective layer connected to the separating layer and at least one outer fleece layer connected to the protective layer. The fleece layer protects the aluminum separating layer against (mechanical) damage and additionally provides a well-adhering surface for mortar such as masonry mortar or plaster. Due to the aluminum separating layer, the masonry barrier has an sd value> 1500 m. Furthermore, the masonry block has a low weight per unit area due to the use of aluminum (instead of, for example, bitumen board), so that the masonry barrier is easy to handle. In contrast to bitumen or PVC, in particular aluminum is much less sensitive to temperature and remains flexible even at temperatures down to -5 ° C, so that the masonry seal can be processed very well even at low temperatures. For example, a folding of the Mauersperrbahn is possible up to a temperature of -20 ° C, z. B. for making a so-called L-lock or Z-lock. In particular, connections to existing sealing levels or to masonry can be easily formed by the flexibility of the masonry barrier. For example, the described extremely flexible masonry barrier (in contrast to the relatively stiff bitumen or PVC) can be simply glued flat with a wall / wall, as the flexible masonry block adapts to any surface and thus also adheres well to an applied on the surface adhesive. In particular, the masonry barrier is compatible with bitumen and / or PVC and can be easily connected or glued to these materials.

The aluminum release layer preferably has a basis weight of 19 g / m ² -81 g / m ² , preferably 25 g / m ² -60 g / m ² and particularly preferably 30 g / m ² -40 g / m ² . For example, the aluminum separating layer has a thickness of 7 μm-30 μm, preferably 10 μm-20 μm and particularly preferably 12 μm-15 μm.

Preferably, the at least one protective layer is alkali-resistant, so that the protective layer protects the non-alkali-resistant aluminum from damage. Particularly preferably, a respective protective layer is arranged on both sides or on the upper and lower sides of the aluminum separating layer, so that the separating layer is protected against damage on both sides.

The protective layer is preferably made of plastic, in particular of polyolefin, polyethylene terephthalate (PET) or of a PET film or of high-density polyethylene (HDPE). The density of HDPE is between 0.94 g / cm ³ to 0.97 g / cm ³ .

The protective layer may have a basis weight of preferably 14 g / m ² -71 g / m ² , preferably 14 g / m ² -50 g / m ² and particularly preferably 14 g / m ² -30 g / m ² . In particular, the protective layer may have a thickness of preferably 10 μm-50 μm, preferably 10 μm-30 μm and particularly preferably 12 μm-20 μm. For example, a protective layer of PET has an areal density of 17 g / m ² or a thickness of 12 μm. The use of PET offers the further advantage that the tightness of the masonry barrier against moisture is increased. In particular, when using a protective layer made of PET with a larger surface density or a thicker / stronger protective layer, the areal density (thickness) of the aluminum separating layer can be reduced without reducing the sd value of the masonry barrier. Alternatively, the protective layer of a polyolefin melt with a basis weight between 30 g / m ² -50 g / m ² , preferably 40 g / m ^{2 be} formed.

The at least one nonwoven layer is preferably made of polypropylene (PP), polyethylene (PE), polyester, polybutylene terephthalate (PET), polybutylene terephthalate (PBT) or polyamide (PA). The at least one nonwoven layer is particularly preferably designed as a spunbonded nonwoven, in particular as a hydrophilized (water-permeable) polypropylene spunbonded nonwoven with an areal density of, for example, 40 g / m ² . The nonwoven layer preferably has a density of 15 g / m ² -80 g / m ² , preferably 25 g / m ² -60 g / m ² and particularly preferably 35 g / m ² -50 g / m ² .

According to a preferred embodiment, a first protective layer and a first nonwoven layer are arranged on a first side of the separating layer, and a second protective layer and a second nonwoven layer are arranged on an opposite second side of the separating layer, so that the masonry barrier has a symmetrical structure and the separating layer both sides against (chemical and mechanical) damage is protected.

Preferably, the masonry barrier has a total thickness or thickness between 0.3 mm-1.5 mm, preferably 0.4 mm-1 mm. For example, a masonry barrier as described above has a thickness of or about 0.5 mm. Due to the low strength and the materials used, the masonry barrier is extremely flexible and therefore very easy to process.

The individual layers of the masonry barrier can be connected to each other in various ways. Bonding, laminating, spraying, fusing, concatenating or melt pressing is particularly advantageous. In this case, different methods can be used to connect the individual layers together.

Preferably, the masonry barrier is web-shaped, so that it can be easily transported and processed as a roll product. For example, the masonry barrier can be provided as a roll product with a width between 10 cm-100 cm. Preferably, the web width is in the range of 10 to 15 cm, 15 to 25 cm, 30 to 50 cm or 75 to 100 cm.

The laying of a web-like masonry barrier (wall barrier web) as described above will be described below by way of example as a horizontal barrier. The support for the wall barrier web is to be adjusted so thickly with the mortar used in each case that a flat surface without or substantially without unevenness (roughness, burrs) is provided. The wall barrier web is preferably not glued on, but placed loosely on the prepared surface. The connection between two webs can be provided in a loosely overlapping manner, whereby the overlap must be at least 200 mm in order to provide a dense horizontal barrier. Alternatively, the connection between two webs can be glued with an adhesive tape, an overlap of at least 50 mm is sufficient. For example, a 100 mm to 200 mm wide adhesive tape with a self-adhesive bituminous layer or butyl layer can be used. Then you can continue with the further layer structure on the masonry barrier.

The masonry barrier described above can also be installed as a so-called L-lock or Z-lock. For example, with unpainted, two-shell masonry (inner shell and veneer) on the building base, the Mauersperrbahn behind the veneer on the outside of the inner shell led up. Before attaching the wall barrier, an adhesive must be rolled up on the dry and clean surface. Subsequently, the wall barrier web is laid in web width from top to bottom. Adjacent tracks must overlap by at least 50 mm to provide a tight connection. The vertically laid wall barrier track is to be led to the (previously laid) horizontal wall barrier track with a corresponding overlap or is glued to it, so that no moisture bridges arise.

Alternatively, the horizontal and vertical part of the masonry barrier (one-piece) can be laid out of a lane, i. H. Horizontal barrier and vertical barrier are laid in one step. In this embodiment, no connections and overlaps between a horizontal and vertical part of the masonry block must be provided. This saves material and provides a dense horizontal / vertical barrier.

Reference to a figure, an embodiment of the invention will be explained in more detail.

The single figure shows a schematic, not to scale, side sectional view of a masonry barrier 2 or wall barrier track. The wall barrier railway 2 is a multi-layer composite waterproofing that is laid as a horizontal barrier in a wall or under a wall. In addition, it can be laid laterally on a wall (eg sections) as a vertical barrier. B. to produce as described above L-lock or Z-lock.

As a vapor barrier and / or moisture-impermeable layer is an aluminum separation layer 4 used. The separating layer may have a thickness of 7 μm-30 μm, preferably the separating layer has a thickness of 12 μm.

The separation layer 4 is on both sides, each with an alkali-resistant protective layer 6a -B connected and on the respective protective layer 6a Each bb is a nonwoven layer 8a -B arranged. In other words, the top and bottom of the release liner 4 each with a protective layer 6a -B and an outer fleece layer 8a -B coated or occupied. The protective layer 6a -B protects the non-alkali resistant aluminum of the release liner 4 from damage. The protective layer may be formed of polyolefin, polyethylene terephthalate (PET) or high density polyethylene (HDPE). For example, the protective layer 6a -B is made from a polyolefin melt and has a basis weight of or about 40 g / m ² .

The fleece layer 8a -B protects when using the wall barrier 2 the separation layer 4 before mechanical damage. For example, the nonwoven layer 8a -B is formed as a hydrophilized (water-permeable) polypropylene spunbonded web which may have an areal density of or about 40 g / m ² . The fleece layer 8a -B covers the surface of the wall barrier 2 continuously, ie there are no gaps such. B. at a grid. In addition, the surface of the nonwoven layer 8a -B slightly rough or fibrous, so that the entire surface (or top and bottom) of the wall barrier sheet provides a very well-adherent substrate for masonry mortar and plaster.

For example, the Mauersperrbahn 2 total thickness or thickness of or about 0.5 mm. Ie. the wall barrier 2 with the separator 4 Made of aluminum is extremely flexible and therefore very easy to work. For example, the Mauersperrbahn 2 simply and with small radii be folded, so that simply connections to existing seals such. B. screed seals can be formed.

The individual layers can be connected to one another by gluing, laminating, spraying, fusing, linking and / or melt pressing.

The wall barrier described above 2 has no temperature-sensitive materials such. As bitumen or PVC, so that the wall barrier web 2 Can be processed easily at temperatures down to -5 ° C.

LIST OF REFERENCE NUMBERS

2

Masonry lock

4

Aluminum separating layer

6a-b

protective layer

8a-b

nonwoven layer

Claims (13)

Multi-layer masonry barrier ( 2 ) formed of at least one moisture-impermeable and / or vapor-barrier separating layer ( 4 ) made of aluminum, at least one with the separating layer ( 4 ) associated protective layer ( 6a -B), and at least one with the protective layer ( 6a B) connected, outer nonwoven layer ( 8a -b). Multi-layer masonry barrier ( 2 ) according to claim 1, wherein the separating layer ( 4 ) has a basis weight of preferably 19 g / m ² -81 g / m ² , preferably 25 g / m ² -60 g / m ² and particularly preferably 30 g / m ² -40 g / m ² , and / or wherein the Separating layer ( 4 ) has a thickness of preferably 7 μm-30 μm, preferably 10 μm-20 μm and particularly preferably 12 μm-15 μm. Multi-layer masonry barrier ( 2 ) according to claim 1 or 2, wherein the at least one protective layer ( 6a -B) is formed of an alkali-resistant material. Multi-layer masonry barrier ( 2 ) according to claim 1, 2 or 3, wherein the protective layer ( 6a -B) is formed of a plastic, in particular of polyolefin, polyethylene terephthalate (PET) or high density polyethylene (HDPE). Multi-layer masonry barrier ( 2 ) according to any one of the preceding claims, wherein the protective layer ( 6a B) has a basis weight of preferably 14 g / m ² -71 g / m ² , preferably 14 g / m ² -50 g / m ² and particularly preferably 14 g / m ² -30 g / m ² , and / or the protective layer ( 6a B) has a thickness of preferably 10 μm-50 μm, preferably 10 μm-30 μm and particularly preferably 12 μm-20 μm. Multi-layer masonry barrier ( 2 ) according to one of the preceding claims, wherein the at least one nonwoven layer ( 8a B) is made of polypropylene (PP), polyethylene (PE), polyester, polybutylene terephthalate (PET), polybutylene terephthalate (PBT) or polyamide (PA), wherein in particular the at least one nonwoven layer is formed as a spunbonded nonwoven. Multi-layer masonry barrier ( 2 ) according to one of the preceding claims, wherein the nonwoven layer ( 8a -B) has a density of 15 g / m ² -80 g / m ² , preferably 25 g / m ² -60 g / m ² and particularly preferably 35 g / m ² -50 g / m ² . Multi-layer masonry barrier ( 2 ) according to one of the preceding claims, wherein the masonry barrier ( 2 ) has no bitumen and / or PVC. Multi-layer masonry barrier ( 2 ) according to one of the preceding claims, wherein on a first side of the separating layer ( 4 ) a first protective layer ( 8a ) and a first nonwoven layer ( 6a ) are arranged, and wherein on an opposite second side of the release liner ( 4 ) a second protective layer ( 8b ) and a second nonwoven layer ( 6b ) are arranged. Multi-layer masonry barrier ( 2 ) according to one of the preceding claims, wherein the at least one separating layer ( 4 ), which has at least one protective layer ( 6a B) and the at least one nonwoven layer ( 8a -B) are joined together by gluing, laminating, spraying, fusing, concatenating and / or melt pressing. Multi-layer masonry barrier ( 2 ) according to one of the preceding claims, wherein the masonry barrier ( 2 ) is web-shaped. Multi-layer masonry barrier ( 2 ) according to one of the preceding claims, wherein the masonry barrier ( 2 ) is arranged in a wall, under a wall and / or on a side surface of a wall, wherein in particular the nonwoven layer ( 8a B) facing down and / or to a side surface of a wall. Masonry arrangement with a base on which masonry is to be erected, a multi-layer masonry barrier ( 2 ) according to one of the preceding claims, and one on the masonry barrier ( 2 ) built masonry.

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