EP3266356A1 - Shower base and method for installing a shower base - Google Patents

Abstract

The invention relates to a set for producing a shower tray (10, 10 ') for preferably flush mounting in a building body (11) surrounding the shower tray (10, 10') comprising a support element (12, 12 ') with at least one discharge opening (13 13 '), a planar bottom side (14, 14'), an upper side (15, 15 ') with a contour (16, 16') inclined in the direction of a discharge opening (13, 13 ') and a cover layer element (17, 17 '). Such shower floors are usually installed at a relatively early stage of construction. The problem here is in particular that the surface of the cover layer element (17, 17) is susceptible to damage during subsequent construction activities. In order to avoid such damage, it is proposed to combine carrier element (12, 12) and cover layer element (17, 17 ') as separate components into a kit. The cover layer element (17; 17 ') is a prefabricated individual part which: has a substantially constant thickness (D), - Is formed in one piece and an inclined contour (18, 18 ') adapted to the inclined contour (16, 16') of the upper side (15, 15 ') of the carrier element (12, 12') and having an outlet opening (13, 13 ') of the carrier element (13; 12, 12 ') coinciding drain opening (19, 19'). The carrier element (12, 12) can thus be installed independently of the cover layer element (17, 17 ') at a destination. The invention further proposes a method for installing a shower tray (10, 10 ') in a building body (11), in which in a first step, the support element (12, 12') in the building body (11) is installed and in a later , Separate step, the cover layer element (17, 17 ') on the support element (12, 12') applied, preferably glued.

Description

The invention relates to a shower tray set according to the preamble of claim 1 and to a method for installing a shower tray according to the preamble of claim 12.

In the present case, a shower floor is understood to mean a system integrated in a building body, which is preferably a sanitary facility, which collects water and supplies it to a drain.

Kits for the production of sanitary facilities, such as shower trays or vanities are known from the prior art. For example, disclosed EP 2 510 847 A2 a shower tray bottom element for forming a floor-level overall system comprising a support element made of a hard foam core, which is installed in a sanitary facility either in the floor or placed on the screed. The top of the support member has an inclination in the direction of a water drain. The support element is thus surrounded by a floor covering, which is usually a screed. Flooring and support element are usually covered with a uniformly formed surface, the surface of which forms a tread surface of a floor-level system without height differences.

In order to transfer the pre-defined by the support element tilt on the tread, either rigid floor tiles must be laid so that they follow the tread and their inclination contour or it must be applied a flexible flooring. Both systems have disadvantages. Between small-sized floor tiles result in joints that can be dirty. Flexible flooring or applied in the liquid state mortar or plastic layer require a lot of effort.

Also known are shower floor elements for floor-level installation in sandwich construction, the tread is permanently connected to a support body. The installation of such shower floor elements takes place at the site relatively early to make at the same time with the installation of any seals that realize the required water resistance. The shower floor element, which is already provided with a finish surface, is sensitive and requires special care during further construction work in order to avoid scratches or other damage, for example.

Out DE 10 2011 083 004 A1 a floor unit 1 for a shower device is known, which comprises a bottom element 4 made of hard foam and a base body 2 made of a fiber-reinforced plastic. The bottom element 4 comprises a drain opening, a flat bottom side and an upper side with a contour inclined in the direction of the drain opening. In this embodiment, the bottom element 4 and the contour contained therein is used as a shape for forming the main body 2. The main body 2 is formed by applying fibers or fiber mats to a mold and using a plastic such as a synthetic resin. A disadvantage of this embodiment is that the base body 2 and bottom element 4 are not present as a prefabricated set but rather are either completely enclosed in the mold prefabricated a factory or at the construction site by layered application of fiber-reinforced plastic must be made on the body.
The invention is therefore based on the object to propose a shower floor of the type mentioned, the cover layer element is protected during construction from damage.

The object of the invention is achieved by a set for the production of a shower floor with the features of claim 1 and by a method for installing a shower base with the features of claim 12 and a Shower tray made of a kit according to any one of claims 1 to 11 and / or a method according to any one of claims 12 or 13.

According to the invention, the components for the production of the shower base are initially individually in the form of a set of mutually independent items. The items and in particular their outer geometry are thus matched. Essential components of the set are a carrier element with a drain opening and a cover layer element. When installed, the cover layer element lies on the carrier element. The two aligned surfaces have matched contours. The coordinated contours interlock like a cup and a saucer compatible with this cup.

There are thus a variety of different embodiments feasible. The different embodiments may have different processes and inclination contours, however, the individual parts of each pair composed of carrier element and cover layer element always have contours which are matched to one another, that is, fit into one another.

It is particularly advantageous that the support element not, as in the DE 10 2011 083 004 A1 described prior art is only made by applying a glass fiber reinforced plastic to the predetermined by the support member shape, but is already part of the set as a finished item. This facilitates the assembly.

The set thus comprises a support element with at least one drain opening, which has a flat bottom side and an upper side with an inclined contour oriented in the direction of a drain opening. Furthermore, the set comprises a one-piece cover layer element with a substantially constant thickness. The contour of the cover layer element is adapted to the inclined contour of the upper side of the support element. Also, the cover layer element has a drain opening. In the assembled state, the two drainage holes coincide with each other, so that running water can be discharged through a drain provided for this purpose.

Essential to the invention is that the two parts of the set initially present individually. This results in the particular advantage that the support element regardless of the already provided with a finish surface cover layer element in the building can be installed. Thus, at first the relatively insensitive carrier element can be installed at the construction site. Thereafter, all other sealing and other work done. For example, in this context, the area surrounding the shower floor can be covered with tiles and grouted. Any mortar residues, pebbles, sand, etc., which may accumulate on the surface of the carrier element, do not damage this or only insignificantly damage it. Any damage incurred on the surface of the support element damage are irrelevant, since they can be laminated or repaired and are no longer visible after the final installation of the cover layer element.

In a particularly preferred embodiment, the carrier element comprises a cementitious coating, at least on its surface contour pointing in the direction of the cover layer element. The combination of cementitious coating and XPS foam core on the one hand provides a barrier against any water entering the shower floor and thus ensures the watertightness of the entire system. On the other hand, the cementitious coating performs a static task and gives the support element increased strength.

Although the cover layer element has a rigid contour of uniform thickness, but can be made relatively thin, for example, 5 to 7 mm thick, since the load does not have to be carried by the cover layer element alone, but is transferred to the carrier element and in particular to the applied there cementitious coating ,

In contrast to in a factory completely prefabricated shower floors, which comprise a support element, a cover layer element and a arranged between the support element and cover layer element, the shower floor laterally outstanding, sealing tape, the support element of the inventive set can be cut to size on the construction site and adapted to local conditions without impaired the tightness of the overall system. This is particularly advantageous if the shower floor to be installed does not fit exactly into the installation space provided for the shower floor. If the shower floor is to be fitted, for example, in the corner of a room and the two adjacent walls do not have an angle of 90 ° to one another but, for example, only an angle of 89 °, the support element and cover layer element can be cut on site so that they are provided precisely in the space Fit installation space. Thereafter, the support member is first installed and, if necessary, provided at its outer edges with a projecting beyond the outer contour of the shower floor sealing tape. If then to a later When the cover layer element is installed, the finished shower floor between the support element and cover layer element comprises a sealing tape and thus ensures the watertightness of the overall system.

If, on the other hand, a prefabricated shower floor is adapted to the wall contour by cutting, the sealing strip initially present between the carrier element and cover layer element is also cut off during the cutting. The tightness of the overall system can be made inadequate in this case, either by an additional sealing tape, which is mounted below the support member or by sealing a gap remaining in the edge region of the support member, for example with a sealing material, such as silicone.

Preferably, the cover layer element is adhered to the carrier element. However, it is also possible, the cover layer element floating, that is applied without adhesive bond on the support member and by suitable measures, for example, positively connected to the both the support member and the cover element penetrating flow. A floating support reduces stress problems that can be caused by temperature changes on the shower floor.

As already mentioned, the cover layer element has a constant thickness. The inclined contour of the top and bottom is made by thermal deformation of a previously planar element. However, it is not excluded that the inclined contour has been produced by cold working or by exciting machining, for example milling.

In addition to the individual items mentioned, namely the carrier element and the cover layer element, the set may comprise further parts. For example, the set may be accompanied by a suitable adhesive for producing an adhesive bond. Furthermore, it is possible to attach a complete sequence and / or fastening means and / or sealing means to the set.

In a preferred embodiment, a frame is used in the drain opening of the cover layer element, which forms a support for a drain cover. The mentioned drain covers are usually tools that can be inserted without tools into the shower base, which components are usually designed either as a grate and have water passage openings. Alternatively, one can also be in itself be provided closed central region whose outer contour is smaller than the drain opening, so that the drain cover is at least partially surrounded by a gap through which the effluent water can enter the drain. In general, the drain covers are loosely placed on a support element and can be easily removed and replaced if necessary, for example, for cleaning work.

The serving as a support for the drain cover frame is preferably inextricably linked by an adhesive bond with the cover layer element. In addition to serving as a support for the drain cover, a cover layer element with an integrated frame offers the further advantage that the frame can be used as a damage-insensitive handle for transport by hand on the construction site. This is particularly advantageous if the frame itself is made of a damage-insensitive plastic, preferably of a thermoplastic plastic, such as polyethylene or of acrylonitrile-butadiene-styrene (ABS).

Preferably, the frame has a shoulder with an outer contour, which is adapted to the inner contour of the drain opening of the cover layer element. The frame can be placed or glued without additional aids fit to the intended application site.

It is particularly advantageous if the shoulder has a height which, when the frame is inserted into the cover layer element, defines a distance to the surface contour of the cover layer element which is adapted to the thickness of the drainage cover. The drain cover can be used at the same height in the cover layer element. Cover layer element and drain cover thus have no stumbling edges.

Furthermore, the frame may include a projection. The projection in the assembled state of the carrier element and the cover layer element on the one hand is a screen for the transition region of the two components and covers this aesthetically pleasing. On the other hand, the projection can be used as an adjustment aid to apply the cover layer element accurately on the support element.

Preferably, the cover layer element consists of a mineral material. The mineral material is preferably an acrylic resin-bonded mineral material and most preferably a mineral material which is used as a filler Aluminum trihydrate (ATH) and contains as binder acrylic resin (PMMA, polymethyl methacrylate) and other additives. This material is easy to clean and can be glued together without joints. Furthermore, it is waterproof and very impact-resistant. It is repairable and renewable by regrinding at any time. The proportion of the mineral material in the cover layer element based on the weight is 50% to 80%, preferably 60% to 70%.

As an alternative to a cover layer element of a mineral material, the cover layer element may also be made of a different material, for example of ceramic, HPL (high-pressure laminate) or steel enamel. However, it is essential that the surface contour of the cover layer element is adapted to the surface contour of the support element provided for the respective cover layer element.

The inclined contour of the cover layer element can be produced by thermal deformation. In particular, the initially planar cover layer elements can be heated and provided with the desired inclination contour using a vacuum film. Due to the low mold costs this results in an attractive price-performance ratio. As an alternative to the use of vacuum technology but other thermal forming processes are possible, for example using positive and negative mold.

Sure-footed surfaces are the best guarantee for effective accident prevention. To assess safety, floor coverings for the commercial sector are divided into the evaluation groups "R 9 to R 13" (see DIN 51130). The cover layer element is provided with a slip-resistant surface. Preferably, the slip-resistant surface meets the requirements for slip resistance class R9. R9 stands for a low coefficient of friction and is recommended for normal private use. The desired slip resistance is preferably achieved by grinding the surface, but can also be realized in another way, for example by a coating or a chemical surface treatment method.

It is particularly advantageous if the cover layer element is not only one piece, but a total of seamless. A seamless surface is aesthetically pleasing and easy to clean.

At least one removable protective layer may be applied to the surface of the cover layer element. The protective layer may be, for example, a film and / or a cardboard. A film is preferably light in weight removable adhesive, applied similar to the known Post-it ® - adhesive system. Alternatively, the use of an adhesive film, in particular a very smooth plastic film made of PVC or PE, is possible. Adhesion films of this kind adhere to smooth surfaces without adhesive and are therefore suitable for being applied to the cover layer element and for protecting it, in particular, from dirt and minor mechanical influences.

To protect against major mechanical stresses, such as may occur, for example by entering the tread on the site with work shoes, especially if on the ground, for example, sand or mortar particles are present, the cover layer element may additionally or alternatively with a preferably to the surface contour adapted, thicker protective layer be provided. This protective layer may be, for example, a cardboard box. The film and / or the further protective layer can remain on the cover layer element until the completion of all construction work and, as it were, must first be removed when the shower station is first put into operation.

In a particular embodiment of the shower base can be provided that the drain cover is adapted to the cover layer element with respect to the material used. In these cases, it is advantageous if the material which is cut out of the covering layer element in order to form a drain is cut or processed in such a way that it can be inserted into a receptacle provided on the drain cover for this purpose. The particular advantage of reusing the separated piece is that different color shades between the cover layer element and the insert are excluded. Furthermore, possibly contained in the cover layer element patterns or even imprints on the surface of the shower base can be obtained without distortion when the separated from the drain opening piece is inserted into the drain cover.

The shower base comprises a support element made of a rigid foam material with an inclined contour forming top and a separately einbaubares cover layer element with a to the contour of the Carrier element adapted, also inclined, contour.

Carrier element and cover layer element are matched with respect to their coincident drainage openings. After provision of the set on a construction site they are not installed directly consecutively or together in the building. Rather, in a first step, initially only the support element is installed in the building body. Following this, any further work can be done on the construction site. The cover layer element is designed so that its installation is independent of all other work, in particular independent of in connection with the installation of a shower floor in a building required sealing work. The sealing work must be carried out in a relatively early construction phase and ensure that the water released during later use of the shower is directed exclusively to the drain provided and can not penetrate into cracks or joints of the building. The cover layer element can thus be applied after all these preliminary work in a separate, subsequent step on the support member, preferably glued.

It is particularly favorable when the cover layer element comprises a frame with a projection which projects into the carrier element in the assembled state and forms a clearance fit between the projection and the carrier element. This frame can be used as adjusting means for precise positioning of the cover layer element. When placing the cover layer element thus the protruding from the bottom projection is inserted into the drain opening of the support member and the cover layer element as a whole then placed accurately aligned and aligned.

The separation of carrier element and cover layer element according to the invention thus enables, on the one hand, early installation of a part of the shower base, namely the support element, and thus facilitates or enables all further work to be carried out on the construction site. On the other hand, the late installation of the cover layer element offers the greatest possible protection for the surface of the tread surface of the shower base.

• eine Kernschicht aus einem porösen und/oder faserigem Werkstoff, vorzugsweise einem Kunststoffschaum,
• eine Deckschicht, die auf wenigstens einer Flachseite der Kernschicht aufliegt und wasserundurchlässig ist,
• eine Mörtelschicht aus einem mineralischen, hydraulisch erhärtenden, kunststoffmodifizierten adhäsiv wirkendem Klebemörtel.

The possibilities for the design of the shower floor are almost unlimited. The shower tray may vary in shape, such as round, rectangular or square, as well as in terms of its flow design. The process may, for example, be punctiform or trough-shaped. It can be arranged at a central location or in the edge area. The embodiment of carrier element and cover layer element with regard to the materials used is also variable. So For example, the carrier element can have a one-sided or two-sided mineral coating. In particular, the carrier element may be in the form of a plate element produced by Wedi GmbH, Emsdetten, and marketed under the brand name wedi fundo®. These plate elements have a sandwich arrangement and comprise the following layers:

• a core layer of a porous and / or fibrous material, preferably a plastic foam,
• a cover layer which rests on at least one flat side of the core layer and is impermeable to water,
• a mortar layer of a mineral, hydraulically hardening, plastic-modified adhesive adhesive mortar.

The subdivision of the shower base in the support element and cover layer element also has the advantage that the cover layer element in a variety of designs, in particular in different colors, can be offered without changing the basic structure of the support element something. Identical carrier elements can thus be combined with different cover layer designs. This results in cost advantages for the carrier elements, due to a uniform production in large quantities, in terms of production and storage.

Fig. 1

ein in einen Bauwerkskörper eingebrachten Duschboden in einer schematischen Schnittdarstellung;

Fig. 2

einen Duschboden mit zentral angeordnetem Ablauf in einer perspektivischen Darstellung;

Fig. 3

den Duschboden aus Fig. 2 in einer Schnittdarstellung;

Fig. 4

den Duschboden und den Ablauf aus Fig. 2 in einer Explosionsdarstellung;

Fig. 5

das Einzelteil Rahmen aus Fig. 4 in einer Draufsicht;

Fig. 6

den Rahmen aus Fig. 5 in einer Seitenansicht;

Fig. 7

einen Duschboden mit im Randbereich angeordnetem Rinnen-Ablauf in einer perspektivischen Darstellung;

Fig. 8

den Duschboden mit Rinnen-Ablauf aus Fig. 7 in einer Schnittdarstellung;

Fig. 9

den Duschboden und den Rinnen-Ablauf aus Fig. 7 in einer Explosionsdarstellung.

Further advantages and features of the invention are explained in more detail in an embodiment with reference to the drawing. The figures show:

Fig. 1

a introduced into a building body shower floor in a schematic sectional view;

Fig. 2

a shower floor with centrally arranged drain in a perspective view;

Fig. 3

the shower floor Fig. 2 in a sectional view;

Fig. 4

the shower floor and the drain off Fig. 2 in an exploded view;

Fig. 5

the item frame Fig. 4 in a plan view;

Fig. 6

the frame Fig. 5 in a side view;

Fig. 7

a shower tray with arranged in the edge region gutter-drain in a perspective view;

Fig. 8

the shower floor with gutter drain off Fig. 7 in a sectional view;

Fig. 9

the shower floor and the gutter drain off Fig. 7 in an exploded view.

The same or similar elements may be provided in the following figures with the same or similar reference numerals. Furthermore, the figures of the drawing, the description and the claims contain numerous features in combination. It is clear to a person skilled in the art that these features are also considered individually or that they can be combined to form further combinations not described here in detail. Positions such as "top" or "bottom" refer to the positioning of a part when it is installed.

Fig. 1 shows a introduced into a building body 11 shower tray 10 in a schematic sectional view. In the exemplary embodiment illustrated, the building body 11 comprises a wall 32, a screed 36 and a floor 38. The shower floor 10 comprises a carrier element 12 and a cover layer element 17. Fig. 1 shows the shower tray 10 in the fully installed state. In order to install the shower tray 10, in a first step the support element 12 incl. A drain 30 has been installed on a mortar layer 37 on the floor 38.

The carrier element 12 is a commercially available building board of the "wedi fundo®" type provided with a mineral coating. The carrier element 12 has an inclined contour 16 aligned with the drain 30. The inclination of the contour is 2 °. The surface of the carrier element 12 comprises a mineral coating that is robust and walkable. During the further construction activities, therefore, in contrast to shower floors with integrated finish surface, expensive protection or precautionary measures to avoid damage are unnecessary.

After installation of the support member 12 and the drain 30 sealing elements such as expansion joint profile 33, sealing strips 34 and edge insulation strips 35 have been applied in further steps. Furthermore, tiles 31 have been laid, which surround the shower tray 10. When carrying out this work, it is generally unavoidable that sand, dirt or mortar particles are spread to some extent on the construction site. However, these can cause no later visible damage to the shower tray 10, since the cover layer element 17 is not yet installed at this time. It is thus possible to first complete the activities associated with the generation of contaminants, then to clean the construction site and subsequently to install the cover layer element 17.

The cover layer element 17 is integral and seamless and has a thickness D, which is 5 mm in the illustrated embodiment. In the illustrated embodiment, the cover layer element 17 comprises a frame 20.

In the FIGS. 5 and 6 the frame 20 is shown in detail. At the top, the frame 20 has a shoulder 22 with an outer contour 23, which is adapted to a drain opening 19 provided in the cover layer element 17. The shoulder 22 is surrounded by an edge 41, which is coated on its upper side facing the cover layer element 17 with an adhesive 51 and glued into the drain opening 19 of the cover layer element 17. In the glued state, the shoulder 23 thus protrudes by the height H into the cover layer element 17. The height H is 1 mm and is selected so that a drain cover 21 closing the drain 30 does not project beyond the surface of the cover layer element 17. The surface of the cover layer element 17 forms a tread surface 39 of the shower base 10. With a thickness D of the cover layer element 17 of 5 mm and a height H of the shoulder 22 of 1 mm, the result for the drain cover 21 is an installation height of 4 mm. Of course, other dimensional combinations are possible. With regard to the design of the frame 20, it is only important that the selected combination of dimensions enables a height-equal installation of the drain cover 21.

When installing the cover layer element 17, the top side 15 of the support element and / or the underside of the cover layer element 17 is covered with an adhesive layer 27, as far as necessary. As far as the cover layer element 17 comprises an integrated frame 20, the shoulder 24 of the frame 20 is then inserted into a drain opening 13 provided in the support element 12. Drain port 13 and paragraph 24 thus form a clearance fit. By inserting the shoulder 24 in the drain opening 13, the cover layer element 17 is positioned on the support member 12 and aligned with respect to its mounting position accurately. Insofar as the cover layer element 17 does not comprise a frame 20, the positioning of the cover layer element 17 takes place by manual alignment and displacement.

Fig. 2 shows a shower tray 10 with a centrally located, punctiform drain 30. The inclined contour 18 of the cover layer element 17 forms the tread 39th

Fig. 3 shows the shower tray 10 with the drain 30 Fig. 2 in a sectional view. The carrier element 12 has a flat underside 14 and an upper side 15 with a contour inclined in the direction 30 contour 16, the inclination angle in the illustrated Embodiment 2 °. The angle of inclination may vary depending on the position of the drain in the shower tray. In any case, the angle of inclination is chosen so that the water is sufficiently fast and safely fed to the drain. In the region of the drain 30, the inclined contour 16 runs out into a flat region 48. By means of an adhesive layer 27 is adapted to the contour of the support member 12 or preformed cover layer member 17 is adhered to the support member 12.

Fig. 4 shows the shower tray 10 and the drain 30 with its individual parts in an exploded view. The drain 30 comprises a drain pot 42, a sealing insert 43, an effervescent cup screw valve 44, a shower tray 45 and an odor trap 46. The carrier element 12 is a commercially available wedi fundo® floor element.

Largely analogous to the FIGS. 2, 3 and 4 show the FIGS. 7, 8 and 9 a shower floor 10 '. However, instead of a central punctiform drain 30, a trough-shaped drain 30 'is provided which is arranged in the edge region of the shower tray 10'. The shower tray 10 'comprises a carrier element 12' with a drain opening 13 'and a cover layer element 17'. The carrier element 12 'and has a flat bottom side 14' and an inclined by 2 ° in the direction of discharge opening 13 'top 15'. The inclined top 15 'terminates in a flat area 48'. In this flat region 48 ', the channel-shaped drain opening 13' is arranged. The drain opening 13 'is connected via a sealing insert 43' and by means of fastening screws 47 with a drain pot 42 '. In addition to the drain pot 42 'and the sealing insert 43', the drain 30 'further includes a shower tray 45' and an odor trap 46 '.

On the support element 12 ', a cover layer element 17' is glued. The cover layer element 17 'is one-piece and seamless and has a thickness D of 5 mm.

In the shower tray 10 'is a channel-shaped drain cover 21' without tools used. When inserted drain cover 21 'is located between the edge of the drain opening 19' and the drain cover 21 ', a gap through which water into the channel 13' and subsequently into the drain pot 42 'is passed. The drain cover 21 'has a groove-like recess 42 for receiving a surface covering. In the illustrated embodiment, the surface covering is made of a portion 40 of the cover layer element 17 '. The output element for the portion 40 is formed when introducing the drain opening 19 'in the cover layer element 17'. The outer contour the portion 40 is adapted to the inner contour of the recess 42, so that the portion 40 can be positively inserted into the recess 42, preferably glued. The drain cover 17 'further comprises height-adjustable feet 50 by means of which the drain cover 17' height equal to the surface of the cover layer element 17 'is aligned.

In the in the FIGS. 7 to 9 illustrated embodiment, a frame is unnecessary as a carrier for the drain cover 21, since it is supported by height-adjustable feet 50. Since in the FIGS. 2 to 4 shown frame 20 in addition to the support function still fulfills other tasks, for example, a cover for the transition between the support member 12 and cover layer member 17 forms, and at the same time is a tool for adjustment, if necessary, the cover layer element 17 'can be provided with a frame that anlog is designed to frame 20 of the cover layer element 17.

In particular, it is also possible or possibly even necessary to design a frame 20 'corresponding to the frame 20 in terms of its functional features (not shown in the figures). Such a frame 20 ', for example, in the in the FIGS. 7 to 9 illustrated embodiment, for example, could have an elongated outer contour, said elongated contour on the elongated drain openings 13 ', 19' of the shower base 10 'is tuned. Analogous to the combination frame 20 glued into cover layer element 17, a so conceived frame 20 'can be glued into the cover layer element 17' and firmly connected thereto. <B> LIST OF REFERENCES: </ b> 10, 10 ' shower floor 36 screed 11 building body 37 mortar 12, 12 ' support element 38 ground 13, 13 ' Drain opening (from 12 or 12 ') 39, 39 ' tread 14, 14 ' bottom 40 Section (from 17 ') 15, 15 ' top 41 Edge (of 20) 16, 16 ' Contour (from 12 or 12 ') 42, 42 ' drain pot 17, 17 ' coating element 43, 43 ' close operational 18, 18 ' Contour (from 17 or 17 ') 44 Shower tray screw-type valve 19, 19 ' Drain opening (from 17 or 17 ') 45, 45 ' shower insert 20 frame 46, 46 ' trap 21, 21 ' drain cover 47 mounting screws 22 paragraph 48, 48 ' Area 23 outer contour 49 deepening 24 head Start 50 Leveling feet 25, 25 ' surface 51 adhesive 26 Top (from 20) 27 adhesive layer 28 mineral layer 29, 29 ' inner contour D thickness 30, 30 ' procedure H height 31 tile 32 wall 33 Expansion strip 34 sealing tape 35 Edge insulation strips

Claims (14)

Set for producing a shower tray (10, 10 ') for preferably flush-mounted installation in a building body (11) surrounding the shower tray (10, 10') comprising a support element (12, 12 ') with at least one discharge opening (13, 13') , a flat planar bottom surface (14; 14 '), a top (15; 15') with a towards a drain opening (13; 13 ') inclined contour (16; 16') and an upper coating element (17; 17 '), characterized in that the cover layer element (17; 17 ') is a prefabricated individual part which has a substantially constant thickness (D), - Is formed in one piece and an inclined contour (18, 18 ') adapted to the inclined contour (16, 16') of the upper side (15, 15 ') of the carrier element (12, 12') and having an outlet opening (13, 13 ') of the carrier element (13; 12, 12 ') has a coincident discharge opening (19, 19'), such that the carrier element (12, 12 ') can be installed at a destination independently of the cover layer element (17, 17'). Set according to claim 1, characterized in that in the drain opening (19, 19 ') of the cover layer element (17, 17'), a frame (20) as a support for a drain cover (21, 21 ') is inserted. Set according to claim 2, characterized in that the frame (20) has a shoulder (22) with an outer contour (23), which on the inner contour (29: 29 ') of the drain opening (19; 19') of the cover layer element (17; 17 ') is adapted, so that the shoulder 22 in the mounted state in the drain opening (19, 19') protrudes. Set according to Claim 2 or 3, characterized in that the shoulder (22) has a height (H) which, when the frame (22) is inserted into the cover layer element (17; 17 '), is at a distance from the surface contour (18; 18'). ), which is adapted to the thickness of the drain cover (21, 21 '), so that the drain cover (21, 21') can be inserted at the same height into the cover layer element (17, 17 '). Set according to one of claims 2 to 4, characterized in that the frame (20) comprises a projection (24) covering the transition region between the carrier element (12; 12 ') and cover layer element (17; 17') in the assembled state. Set according to one of claims 1 to 5, characterized in that the cover layer element (17; 17 ') is made of a mineral material, wherein the mineral material is preferably an acrylic resin bonded mineral material and wherein the acrylic resin bound mineral material most preferably as a filler aluminum trihydrate (ATH) and contains as binder acrylic resin (PMMA, polymethyl methacrylate) and other additives. Set according to one of claims 1 to 6, characterized in that the inclined contour (18; 18 ') of the cover layer element (17; 17') is produced by thermal deformation. Set according to one of claims 1 to 7, characterized in that the cover layer element (17; 17 ') has a slip-resistant surface (25; 25'). Set according to one of claims 1 to 8, characterized in that the cover layer element (17; 17 ') is seamless. Set according to one of claims 1 to 9, characterized in that on the surface (25; 25 ') at least one removable protective layer is attached. Set according to one of claims 1 to 10, characterized in that the drain opening (19; 19 ') is made by separating a section (40) from the cover layer element and the section (40) can be inserted into the drain cover (21; 21') , A method of installing a shower tray (10; 10 ') in a building body (11), the shower floor (10; 10') comprising: a carrier element (12, 12 ') made of a rigid foam material with an upper side (15, 15') forming an inclined contour (16, 16 '), - One of these separately installable cover layer element (17, 17 ') with a to the contour (16, 16') of the support member (12, 12 ') adapted, also inclined, contour (18, 18') and wherein carrier element (12, 12 ') and cover layer element (17, 17') have coincident discharge openings (13, 19 ', 13', 19 '), characterized in that in a first working step, the carrier element (12, 12') in the building body (11) is installed and in a later, separate step, the cover layer element (17, 17 ') applied to the support element (12, 12'), preferably glued. A method for installing a shower floor (10, 10 ') in a building body (11) according to claim 12, characterized in that the cover layer element (17; 17 ') comprises a frame (20) with a projection (24) which projects into the carrier element (12; 12') in the assembled state and a clearance fit between projection (24) and carrier element (12; ') and - The projection (24) during application of the cover layer element (17, 17 ') on the carrier element (12, 12') as adjusting means for accurate positioning of the cover layer element (17, 17 ') is used. A shower tray (10; 10 ') made of a kit according to any one of claims 1 to 11 and / or a method according to any one of claims 12 or 13.

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