Decorative panel, in particular a floor panel, ceiling panel or wall panel, including a core layer having an upper side and a lower side, a decorative top layer connected to said upper side of the core layer, a first panel side edge including a first coupling profile, and a second panel side edge including a second coupling profile designed to interconnect with a first coupling profile of a second, identical panel, both in horizontal direction and in vertical direction. The core layer includes a layer of foam concrete which is constituted by a matrix of concrete material in which air pockets in the form of cells are present.

A composite nonwoven mat and a method of making a composite nonwoven mat are provided. The composite nonwoven mat includes a nonwoven base layer having a first surface and a second surface, and a coating layer formed on, penetrating into, and adhered to the first surface of the nonwoven base layer. The coating layer includes a polymer material and a carrier composition. The composite nonwoven mat has an average Gurley porosity of at least 500 seconds.

A multilayer acoustic and shock absorbing cushion, consisting of a buffer layer, two waterproof moisture-permeable layers respectively mounted on the corresponding two sides of the buffer layer, and two surface layers respectively mounted on each side of the waterproof moisture-permeable layers away from or at a distance from by the buffer layer. The buffer layer, each of the waterproof moisture-permeable layers, and each of the surface layers are needle punched and bonded to form a single body. The multilayer acoustic and shock absorbing cushion of the present invention is primarily used in building partitions and wall systems to prevent noise and vibration produced when household residents are doing physical activities from disturbing other neighbors. The multilayer acoustic and shock absorbing cushion is further provided with advantages including acoustic and shock absorbing functions, anti-efflorescence ability, and good cement bonding stability.

Flooring and floor panels are described that include a multi-layer tape. The multi-layer tape can include two or more layers at least one of which can include a unidirectional orientation of fibers. In some configurations, the panels can include a tape with multiple layers where each layer of the tape includes a unidirectional orientation of fibers, which may be the same or may be different. Vehicles and other devices including the panels are also described.

It is known that panels moulded for structural use can be subject to undesirable levels of shrinkage and this can complicate their end use or a building made from them. It is an object of the invention to go at least some way to addressing this problem. Accordingly there is provided a method of significantly reducing panel shrinkage in the production of a structural building panel. The method involves spraying polyurethane foam onto a rigid open mould such that the foam substantially embeds mesh, which prevents or significantly reduces shrinkage of the polyurethane foam. A skin of polyurea is then sprayed over the polyurethane to enhance structural strength of the panel.

The invention relates to a multilayered pultruded structures having a weatherable cap layer over a pultruded substrate. The cap layer provides improved weatherability, chemical resistance and surface quality for pultruded structures. The cap layer is either an acrylic, vinyl or styrenic cap layer covered with a thin layer blend of polyvinylidene fluoride and acrylic polymers, or a cross-linked acrylic outer layer. A useful cap layer would be a UV resistant acrylic cap layer, such as a Solarkote® resins from Arkema, covered by a co-extruded blend of polyvinylidene fluoride, such as Kynar® resins from Arkema, with an acrylic resin, such as Plexiglas® resins from Arkema. The highly weatherable and chemical resistant pultruded structure is especially useful in window and door profiles.

A plasterboard comprising a gypsum matrix having wood particles embedded therein in an amount of at least 2 wt % relative to the gypsum, the gypsum matrix further comprising glass fibres in an amount of at least 1 wt % relative to the gypsum.

A method and a mineral wool product include a multiple of lamellae, such as a sandwich panel core. The product includes a plurality of lamellae cut from a mineral wool web, and bonded together by applying an adhesive on the surfaces of two adjacent lamellae to form a web-like product, wherein the adhesive comprises at least one hydrocolloid.

The present disclosure relates to custom additively manufactured core structures and the manufacture thereof. In one aspect, a panel for use in a transport structure includes first and second face sheets, and an additively manufactured (AM) core affixed between the first and second face sheets. The AM core is foldable such that at least one portion of the AM core is movable between a folded position and an unfolded position. In another aspect of the disclosure, a method for producing a panel for use in a transport structure includes additively manufacturing a core is disclosed.

The floor or wall panel has a substrate and a top layer applied thereon. The substrate consists mainly of a mineral material. The panel is provided, on at least two opposite edges, with coupling means that allow two such panels to be coupled together at the respective edges, wherein in the coupled state there is locking in the vertical direction perpendicular to the plane of the coupled panels and in the horizontal direction perpendicular to the coupled edges and in the plane of the coupled panels.