BOARD AND METHOD FOR MANUFACTURING A BOARD

Abstract

A board consisting at least of a substrate formed at least of a gypsum-based and/or cement-based basic material layer. The board is provided with a chamfer extending through the basic material layer.

Claims

1. A panel for interior decorative use, comprising: a basic material layer defined by a cement-based substrate; a top layer giving a decorative appearance to the panel and located on a surface of the cement-based substrate; wherein the basic material layer comprises metal soap.

2. The panel of claim 1, wherein the metal soap is selected from the list of aluminum stearate, magnesium stearate, calcium stearate, zinc stearate, zinc laurate.

3. The panel of claim 1, wherein the basic material layer comprises between 0.1 and 1 percent by weight of metal soaps.

4. The panel of claim 1, wherein the basic material layer comprises reinforcement fibers.

5. The panel of claim 4, wherein the reinforcement fibers are present in the basic material layer substantially over the entire thickness of the basic material layer.

6. The panel of claim 4, wherein the reinforcement fibers are selected from the list of synthetic fibers, natural fibers, wood fibers, paper fibers, carbon fibers, glass fibers, or combinations thereof.

7. The panel of claim 1, wherein the top layer comprises a Direct Pressure Laminate (DPL) top layer.

8. The panel of claim 1, wherein the panel is a floor panel, a wall panel or a ceiling panel.

9. A panel for interior decorative use, comprising: a basic material layer defined by a cement-based substrate; a top layer giving a decorative appearance to the panel and located on a surface of the cement-based substrate; wherein the basic material layer comprises an additive selected from the list of a hydrophobic powder on the basis of silane or silicone resin, a silicate with hydrophobic features, a lithium silicate, a silane, a siloxane.

10. The panel of claim 9, wherein the basic material layer comprises reinforcement fibers.

11. The panel of claim 10, wherein the reinforcement fibers are present in the basic material layer substantially over the entire thickness of the basic material layer.

12. The panel of claim 10, wherein the reinforcement fibers are selected from the list of synthetic fibers, natural fibers, wood fibers, paper fibers, carbon fibers, glass fibers, or combinations thereof.

13. The panel of claim 9, wherein the top layer comprises a Direct Pressure Laminate (DPL) top layer.

14. The panel of claim 9, wherein the panel is a floor panel, a wall panel or a ceiling panel.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0134] FIG. 1 schematically represents a preferred embodiment of such board 1, wherein it is attached as a wall covering board or wall panel against a lath structure 2.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION

[0135] The basic material layer 3 is a gypsum or fiber cement board. On top of this, a DPL layer 4 is pressed, which as such comprises one or more resin-impregnated sheets. Possibly, a counter layer 5 is provided. Compressing usually is performed at an increased temperature.

[0136] The coupling means 6 preferably are of the type which locks in two directions D1 and D2, as indicated. Preferably, they are also of the type which allows joining by means of a turning movement R.

[0137] As represented, herein preferably use is made of a longer rearmost lip 7, which is provided with a locking element 8.

[0138] At the front corner edge a chamfer 9 can be provided.

[0139] A preferably strip-shaped element 10, preferably provided at the locking element 8, can result in a pretension and/or result in a seal and/or result in a heat-activatable fire-retarding joint.

[0140] A recess 11 offers space for the head of a nail or the like, such that the whole is nailable or screwable.

[0141] Of course, the present invention is not limited to the example represented in the FIGURE.

[0142] Also, the FIGURE is schematically illustrative for floor panels, wherein then the back side of the represented panel has to be understood as underside. Locking coupling parts and other characteristics, such as chamfers 9, can be employed analogous in floor panels.

[0143] The most intended applications of the invention are floor panels and wall panels. With wall panels, this preferably are room-high panels which are provided with coupling parts at their edges, which edges are to be mounted vertically, said coupling parts being, for example, of the type as represented in the accompanying FIGURE. With floor panels, this preferably relates to smaller panels, which are provided at their four edges with coupling parts allowing a mutual coupling and locking, in order to be able to form, as usual, a so-called floating floor covering. Wall panels of fiber cement have the great advantage to be fire-resistant, whereas floor panels of this material will hardly expand as a result of temperature changes and the like.

[0144] The invention also relates to the obtained substrates as such, without these being already finished further by means of top layers or the like.

[0145] It is noted that all information comprised in WO 2018/138273 also has to be understood as incorporated in the present application, as alternative possibilities in combination with the herein above-described possibilities of the present application.

[0146] According to another preferred embodiment, the coupling parts are provided with a waterproof or moisture-repelling substance.

[0147] In a particular embodiment, the invention relates to a board, more particularly a panel in the form of a floor panel and/or wall panel and/or ceiling panel, preferably of the type which is at least intended for interior application, wherein this panel comprises a basic material layer or substrate which is cement-based, which basic material layer as such can comprise one or more layers of cement-based basic material, wherein one or more of these layers and preferably the entire basic material layer preferably is on the basis of fiber cement, wherein this panel comprises a top layer which comprises one or more synthetic material layers, which, at least in their entirety, have a thickness of 0.5 and still better 1 mm. This can be a vinyl-based layer, such as with LVT. In this manner, delamination in the fiber cement is avoided as the top layer then is sufficiently strong.

[0148] Alternatively, the top layer can also be a HPL layer glued onto the basic material layer. Such HPL layer provides for a strong surface, and delamination is almost excluded.