Abstract: Insulating panel (10) having a top face (12) and a bottom face (14) opposite the top face, comprising a body (20) made of stone wool with a part of substantially uniform first density and a part of substantially uniform second density, different from the first density, at least one profiled groove (22) being formed in said insulating panel starting from the top face, the top face (12) being made of stone wool, the groove (22) being formed in the stone wool, the number of grooves being less than or equal to three for 60 cm of a dimension of said panel perpendicular to the direction of the grooves.

Abstract: An aqueous binder composition for mineral fibers comprises: (a) a sugar syrup containing a reducing sugar and having a dextrose equivalent DE of at least 50 and less than 85; (b) a polycarboxylic acid component; (c) an amine component; and, optionally, (d) a reaction product of a polycarboxylic acid component (b) and an amine component (c).

Abstract: The present invention concerns an insulating roof support assembly for a roof structure comprising a plurality roof elongated rafters spaced apart in a predetermined distance with insulation boards therebetween, wherein elongated mineral wool fiber insulation elements are provided on the top of each of the elongated roof rafters and elongated wooden elements on top of said insulation elements with at least one impermeable membrane between at least two neighbouring insulation elements sandwiched between the wooden elements and the insulation elements.

Abstract: An aqueous binder composition for mineral fibers comprises: (a) a sugar syrup containing a reducing sugar and having a dextrose equivalent DE of at least 50 and less than 85; (b) a polycarboxylic acid component; (c) an amine component; and, optionally, (d) a reaction product of a polycarboxylic acid component (b) and an amine component (c).

Abstract: The present invention concerns a trickle valve assembly for supplying particulate material exiting the bottom of a separating cyclone, comprising a separating cyclone outlet conduit having a bottom end with an inclined valve seat and a pivotable valve plate assembly with a valve plate pivoting about a valve hinge and a counter-weight on the opposite side of valve hinge, wherein the outlet conduit is provided with at least one gas inlet above the inclined valve seat which is in fluid communication with a supply of pressurised gas, such as a pressurised air supply.

Abstract: The invention relates to a method for providing a fire safe penetration in a building element, especially in a ceiling, floor or in a lightweight wall comprising a framework of profile elements and at least one outer covering being fixed to said profile elements.

Abstract: The invention relates to a packing- and/or transport unit comprising several fibrous insulation elements (4, 5) for flat roof insulation being arranged in at least one stack (2) and at least one support means (3) being arranged under the stack (2), whereby the stack (2) contains at least two different types of insulation elements (4, 5), which differ with respect to the material properties. A packing- and/or transport unit which is easy to handle and which allows to arrange most of the materials close to the places where it is needed is achieved in that the stacked insulation elements (4, 5) comprise lamellas (4) and/or lamella boards having a high compression strength but low point load resistance due to their fiber orientation and at least one insulation board (5) having an even higher compression strength and high point load resistance.

Abstract: A building facade consisting of a building wall, an insulating layer comprising insulating elements, having a surface and disposed on the building wall, a facade cladding which is disposed at a distance from the building wall and from the insulating layer to form a rearventilation gap between insulating layer and facade cladding and a lock element provided for fire protection, which is disposed between neighboring insulating elements of the insulating layer. In order to further develop a building facade in such a manner that it can be manufactured simply and therefore cost-effectively without additional structural elements being provided, the invention proposes a generic building facade where the lock element is formed in one piece from fiber material, extends over the surface of the insulating layer in the direction of the facade cladding and exhibits a compressibility and/or flexibility aligned at least predominantly between building wall and facade cladding.

Abstract: The present invention concerns a method of making a mineral melt by burning combustible material in the presence of inorganic particulate material and thereby forming a melt, comprising injecting fuel, particulate mineral material and combustion gas into a circulating combustion chamber (1) through an inlet conduit (4) and combusting the fuel in the circulating combustion chamber (1) thereby melting the mineral material to form a mineral melt and generating exhaust gases; separating the exhaust gases from the mineral melt, collecting the mineral melt (9) and passing the exhaust gases upwards through an exhaust pipe (10) to a conduit (11) of a heat exchange system; and supplying particulate mineral material and a first portion of waste mineral wool into the conduit (11) and pre-heating the supplied material in the heat exchange system, and supplying a second portion of waste mineral wool with a water content between 5 and 25% by weight directly to the inlet conduit (4).

Abstract: The invention relates to a method for manufacturing an insulating composite containing mineral fibers, aerogel and binder. This method implies the step of suspending the fiber webs and aerosol in an air flow thereby disentangling the fiber webs and mixing fibers, aerosol and eventually binder homogeneously. The apparatus described combines spinning of the fibers, collecting them as webs, disentangling the fiber webs in suspended air, mixing the fibers with aerogel and cement as well as pressing and curing the mixture to a consolidated product of density 150 to 800 kg/m3.

Abstract: A screw device for fixing insulating panels together is made in one piece from synthetic material and includes a head and a shank. The head has a flat surface for abutment on one of the insulating panels, a surface opposite the abutment surface having at least one drive wing, which extends to a distance greater than 10 mm from the opposite surface. The shank includes an elongate body extending from the head and substantially perpendicular to the abutment surface. The screw has a point arranged at an end of the body opposite the head, and at least one helical thread, which extends at least over part of at least one of the point and body, and is spaced from the head. The helical thread has a diameter that increases towards the head, a portion having a frustum-shaped envelope, and a pitch greater than 8 mm.

Abstract: A method for manufacturing a fiber-containing element, said method comprising the steps of: providing fibers, at least some of which are first fibers, such as mineral fibers, polymer fibers, cellulose fibers, or other types of fibers, in an amount of from 3 to 98 wt % of the total weight of starting materials in the form of a collected web, providing a binder in an amount of from 1 to 30 wt % of the total weight of starting materials, subjecting the collected web of fibers to a disentanglement process, suspending the fibers in a primary air flow, mixing the binder with the fibers before, during or after the disentanglement process, providing a filler, such as a fire retardant, in an amount of 1 to 55 wt % of the total weight of starting materials, adding the filler at any suitable step of the method, such as before, during or after the disentanglement process, collecting the mixture of fibers, filler and binder and pressing and curing the mixture to provide a consolidated composite with a density of from 120

Abstract: The invention relates to a method for manufacturing a mineral fiber-containing composite and the novel mineral fiber-containing element produced by that method.

Abstract: The invention relates to a thermal insulating element comprising an insulating layer having a first face and a second face, said insulating layer comprising a coherent man-made vitreous fibre-containing insulating material and at least one reinforcing element extending substantially from the first face to the second face of the insulating layer, wherein the reinforcing element comprises a polymeric foam composite material, the composite material comprising a polymeric foam and man-made vitreous fibres produced with a cascade spinner or a spinning cup, wherein at least 50% by weight of the man-made vitreous fibres present in the polymeric foam composite material have a length less than 100 micrometers.

Abstract: The invention relates to a method of making a particulate material comprising; providing mineral wool base material in a form having size at least 80% not more than 40 mm, subjecting the mineral wool base material to sintering by use of a pulse combustor and thereby forming a particulate material in the form of particles having size at least 80% not more than 20 mm. An apparatus for carrying out the method comprises means for size reduction of coherent mineral wool substrate and a reaction chamber in communication with a pulse combustor.

Abstract: The present invention concerns a method of forming a cured mineral fibre product comprising at least a top layer comprising mineral fibres and a base layer comprising mineral fibres, said method comprising the steps of providing the top layer web comprising uncured mineral wool; providing the base layer web comprising cured mineral wool; joining the uncured top layer web and the cured base layer web to form an assembled laminate; curing the top layer web in a curing oven by transporting the assembled laminate into a curing oven comprising an upper conveyor and a lower conveyor for curing the assembled laminate, said assembled laminate being positioned between said upper and lower conveyors; wherein the uncured top layer web is compressed by at least 50% upon entry into the curing oven.

Abstract: The invention relates to a method for manufacturing a mineral fiber-containing composite and the novel mineral fiber-containing element produced by that method. The invention also relates to an apparatus suitable for carrying out the method of the invention.

Abstract: A plant growth system is provided in which an irrigation device provides water and/or nutrients to a plant growth substrate. The plant growth substrate comprises an MMVF slab and a single MMVF block on a first surface of the MMVF slab. The MMVF slab comprises a drain hole which is disposed at one end of the surface, and the irrigation device provides water and/or nutrients to the substrate at a position more than 50% of the length of the slab away from the drain hole. This improves the control of water an nutrients in the slab as a whole.

Abstract: Compositions include an aerogel component and have low thermal conductivity. Methods for preparing slurries or composites include, for example combining the aerogel component with a surfactant, binder and other ingredients, such as, for instance, fibers. The compositions can be slurries that can be used in coating applications or self supporting rigid composites.