Planar component with a mortar receiving coating or surface

Abstract

A planar building element including: a core layer that is made of plastic foam and a surface or coating for receiving an adhesive mortar or adhesive substance on at least one of the flat faces of the building element, with at least one of the narrow edge faces of the building element, which serves as a contact edge face, having an edge configuration that is suitable for joining to an adjacent board having a compatible edge configuration, wherein, in the building element, at least one of the flat faces, in the region of the contact edge face, has at least one slope converging toward the outside, and in that both the portion of the flat face that is continuously joined to the slope and the continuously adjoining slope are provided with the surface or coating for receiving an adhesive mortar or adhesive substance.

1 . A planar building element ( 1 ,  2 ;  1 ′,  2 ′), comprising:
 a core layer ( 3 ) that is made of plastic foam and a surface or coating for receiving an adhesive mortar or adhesive substance on at least one of the flat faces of the building element ( 1 ,  2 ′;  1 ′,  2 ′), with at least one of the narrow edge faces of the building element, which serves as a contact edge face ( 7 . 1 ,  7 . 2 ;  17 . 1 ,  17 . 2 ), having an edge configuration that is suitable for joining to an adjacent board having a compatible edge configuration, 
 wherein, in the building element ( 1 ,  2 ;  1 ′,  2 ′), at least one of the flat faces ( 4 ;  14 ), in the region of the contact edge face ( 7 . 1 ,  7 . 2 ;  17 . 1 ,  17 . 2 ), has at least one slope ( 8 ,  8 . 2 ) converging toward the outside, and in that both the portion of the flat face ( 4 ;  14 ) that is continuously joined to the slope ( 8 ,  8 . 2 ) and the continuously adjoining slope ( 8 ;  8 . 2 ) are provided with the surface or coating ( 5 ) for receiving an adhesive mortar or adhesive substance. 
 
     
     
         2 . The building element according to  claim 1 , wherein the lower flat face ( 14 ) of the building element ( 1 ,  2 ;  1 ′,  2 ′) is planar, while the opposing upper flat face ( 4 ) comprises the slope ( 8 ). 
     
     
         3 . The building element according to  claim 1 , wherein the building element ( 1 ,  2 ;  1 ′,  2 ′) comprises two parallel, sloped contact edge faces ( 7 . 1 ,  7 . 2 ). 
     
     
         4 . A building element according to  claim 1 , wherein the slope ( 8 ) ends in the core layer ( 3 ) on a residual vertical edge ( 15 ), which constitutes a portion of the thickness of the core layer ( 3 ) and is not covered by the coating for receiving an adhesive mortar or adhesive substance. 
     
     
         5 . A building element according to  claim 1 , wherein the residual vertical edge ( 15 ) has a chamfer or a rounded region. 
     
     
         6 . A building element according to  claim 1 , wherein the slope angle ( 13 ) ranges between 1 and 10°. 
     
     
         7 . A building element according to  claim 1 , wherein the height of the residual vertical side is between 25 and 99% of the total building element thickness. 
     
     
         8 . A building element according to  claim 1 , wherein the slope ( 8 ;  8 . 2 ) of the core layer ( 3 ) is obtained by material removal and/or compression molding. 
     
     
         9 . A building element according to  claim 1 , wherein the coating for receiving an adhesive mortar or adhesive substance comprises a coating mortar. 
     
     
         10 . The building element according to  claim 9 , wherein the coating mortar is reinforced with a textile structure, and in particular a woven glass fiber fabric, laid glass fiber scrim or non-woven fabric. 
     
     
         11 . The building element according to  claim 9 , wherein the coating mortar is provided with an admixture of fibers. 
     
     
         12 . A building element according to  claim 1 , wherein the core layer ( 3 ) is provided with a planar supporting material, comprising a nonwoven fabric ( 6 ), which is joined, at least on the outside thereof, to the core layer ( 3 ) by admixing, foaming or potting, as the material for receiving an adhesive mortar or adhesive substance. 
     
     
         13 . A building element according to  claim 1 , wherein the coating for receiving an adhesive mortar or adhesive substance comprises a film or a paper web. 
     
     
         14 . A building element according to  claim 1 , wherein the adhesive mortar or adhesive substance selected is a plastering mortar or tile mortar, in particular a thin bed mortar which has properties in accordance with DIN EN 12004. 
     
     
         15 . A building element according to  claim 1 , wherein the residual vertical edges of the building element are provided, on a parallel face, with a groove along the lateral face and on the opposing face with a tongue compatible therewith. 
     
     
         16 . A building element according to  claim 1 , wherein the residual vertical edges of the building element are designed as wedges or tapered grooves or as rabbet edges. 
     
     
         17 . A building element according to  claim 1 , wherein a slope ( 8 . 2 ) is designed on a contact edge face ( 17 . 1 ) of the building element ( 1 ′,  2 ′) and the opposing face ( 17 . 2 ) is planar with the remaining, unsloped flat face. 
     
     
         18 . The building element according to  claim 14 , wherein a strip ( 20 ), which is preferably made of reinforcement material, protrudes from the unsloped face ( 17 . 2 ). 
     
     
         19 . The building element according to  claim 15 , wherein the width of the protruding strip ( 20 ) is between L/4 and L, wherein L corresponds to the width of the slope ( 8 . 2 ). 
     
     
         20 . The building element according to  claim 1 , wherein the core layer ( 3 ) is made of rigid polyurethane foam, rigid EPS foam or rigid XPS foam. 
     
     
         21 . A wall, ceiling or floor covering, comprising:
 at least two building elements ( 1 ,  2 ;  1 ′,  2 ′) according to  claim 1 , which are joined on at least two contact edge faces ( 7 . 1 ,  7 . 2 ;  17 . 1 ,  17 . 2 ), at least one of which having a slope ( 8 ),   wherein the depression ( 12 ) formed by the two joined building elements ( 1 ,  2 ;  1 ′,  2 ′) is filled with a joint filler, joint putty or joint mortar, or a plastering mortar or tile mortar, and in particular a thin bed mortar that has properties in accordance with DIN EN 12004, whereby a continuous planar surface is obtained, as seen looking over the upper face of the building elements ( 1 ,  2 ;  1 ′,  2 ′).   
     
     
         22 . The wall, ceiling or floor covering according to  claim 21 , wherein the joint filler, joint putty, adhesive mortar or adhesive substance filling the depression ( 12 ) is reinforced with a woven fabric web or non-woven fabric web ( 16 ) embedded in the joint filler, joint putty, adhesive mortar or adhesive substance. 
     
     
         23 . The wall, ceiling or floor covering according to  claim 21 , wherein the filled depression ( 12 ) is covered by a reinforcing or armoring strip. 
     
     
         24 . The wall, ceiling or floor covering according to  claim 21 , wherein the depression ( 12 ) created on two joined building elements is leveled with a joint filler, joint putty, adhesive mortar or adhesive substance and the resulting planar surface bears a visible coat of paint or wallpaper.