Abstract: According to the invention, there is provided a method of compressing an uncured man-made vitreous fibre web, the web having two opposed major faces. The method comprising the steps: passing the web along a path; and subjecting the web to thickness compression by applying compression to the two major opposed faces of the web. Compression of each of said major faces of the web is applied by passing the path between converging continuous or discontinuous compression surfaces. Further, the respective major face of the web that is being compressed is in contact with one of the converging compression surfaces, and said converging compression surface is inclined towards the path. Additionally, each inclined converging compression surface applies an amount of compression to the major face of the web with which the respective inclined converging surface is in contact, wherein the amount of compression applied to at least one of the two opposing major faces of the web is adjustable.

Abstract: A mineral wool product comprises mineral fibers bound by a binder resulting from the curing of a binder composition comprising a phenol-formaldehyde-based resin, and/or a carbohydrate containing component; a hydrophobic agent comprising (i) at least one silicone compound, such as silicone resin; (ii) at least one hardener, such as silane; (iii) optionally, at least one emulsifier; as insulation of a metallic structure, said structure having an operating temperature between 0-650° C.

Abstract: The present invention concerns a security barrier for providing protection in a public space or the like, said barrier comprising a mineral wool assembly comprising at least one mineral wool element having an outer liquid impermeable covering and wherein the at least one mineral wool element is adapted for being filled with a liquid. The invention further comprises a method of manufacturing such security barrier and a method of preparing the security barrier for providing protection in a public space.

Abstract: A method for applying a flexible cladding material to an outer surface of an insulation layer for a pipe section includes providing the insulation layer in the shape of a cylinder and providing first and a second supporting elements with a gap therebetween. A layer of the flexible cladding material is arranged between the insulation layer and the first and second supporting elements. The insulation layer and the supporting elements are moved in relation to each other in such manner that the insulation layer and at least part of the layer of the flexible cladding material is moved through the gap between the first and the second supporting elements. The two supporting elements are moved toward one other after the insulation layer and the layer of flexible cladding material has passed through the gap. The flexible cladding material is adhesively connected to the insulation layer during or after the steps.

Abstract: A grass sports ground is produced by mixing man-made vitreous fibres into soil having relatively high loam levels at a rate in the range 0.5 to 50 parts by weight per 100 parts soil (dry weight), preferably in the presence of moisture to separate the fibres and distribute them among soil particles, and then growing grass. The soil/fibre mixture has desirable moisture management properties as well as good mechanical characteristics providing extended use characteristics even in cold, wet or hot and dry conditions.

Abstract: The invention relates to a method for the production of a rigid PIR foam composite containing man-made vitreous fibres (MMVF), the method comprising: providing MMVF, wherein at least 50% of the fibres by weight have a length of less than 250 ?m; providing a polyol component; mixing the MMVF and polyol component in a ratio such that the amount of MMVF is at least 10% by weight based on total weight of polyol component; emulsifying pentane with the mixture of polyol component and MMVF; inducing foam formation by addition of a further component which comprises isocyanate.

Abstract: The present invention relates to a device comprising a coherent manmade vitreous fibre substrate (MMVF substrate) and at least one first conduit (2) and at least one second conduit (3), each conduit having first and second open ends, wherein the MMVF substrate (1) comprises man-made vitreous fibres bonded with a cured binder composition, wherein the first open end of the first conduit and the first open end of the second conduit are each independently in fluid communication with the MMVF substrate, wherein the first conduit is at a greater height than the second conduit, wherein at least a portion of the MMVF substrate is disposed between the first and second conduits. The MMVF substrate provides for an increased water storage ability due to the hydrophilic behaviour of the substrate and its increased surface.

Abstract: The present invention concerns a method for heat insulating a building surface with insulation boards, wherein each insulation board has two parallel main surfaces and four side surfaces connecting the two large surfaces, whereby the insulation boards are arranged adjacently on the building surface with each insulation board having a lowermost of the main surfaces facing the building surface, wherein each insulation board is divided into an upper part and a lower part with an interface that is substantially parallel with the two main surfaces, and wherein the method comprises the steps of arranging an insulation board on the building surface and then shifting the upper part of said insulation board a distance to at least partly cover a lower part of at least one neighbouring insulation board. The invention also concerns an insulation board for use in the method.

Abstract: The present disclosure relates to a prefabricated module for a pitched roof element comprising a frame made of at least two first beams being arranged in a distance and running parallel to each other and two second beams running rectangular to the first beams and being connected to the ends of the first beams forming a compartment into which a first layer of an insulation is inserted and a pitched roof element for a building roof made of at least two modules, each comprising a frame made of at least first beams being arranged in a distance and running parallel to each other and two second beams running rectangular to the first beams and being connected to the ends of the first beams forming a compartment into which a first layer of an insulation is inserted.

Abstract: The present invention is directed to a solid state binder composition for binding mineral fibers comprising a component (i) in form of one or more carbohydrates; a component (ii) in form of one or more compounds selected from sulfamic acid, derivatives of sulfamic acid or any salt thereof.

Abstract: A method for applying a flexible cladding material to an outer surface of an insulation layer for a pipe section includes providing the insulation layer in the shape of a cylinder and providing first and a second supporting elements with a gap therebetween. A layer of the flexible cladding material is arranged between the insulation layer and the first and second supporting elements. The insulation layer and the supporting elements are moved in relation to each other in such manner that the insulation layer and at least part of the layer of the flexible cladding material is moved through the gap between the first and the second supporting elements. The two supporting elements are moved toward one other after the insulation layer and the layer of flexible cladding material has passed through the gap. The flexible cladding material is adhesively connected to the insulation layer during or after the steps.

Abstract: The present invention concerns a method of producing an insulation product comprising a board of porous insulation material wrapped in a gas-impermeable foil, said method comprising the steps of providing a succession of porous insulation material boards on a first conveyor apparatus and feeding the boards on a second conveyor apparatus; providing wrapping foil and wrapping said foil to form a tube around the boards on said second conveyor apparatus, flushing the boards with an insulating gas, and sealing the wrapping foil at the ends of each board transverse to the direction of travel of the second conveyor apparatus.

Abstract: A plant growth system is provided, which comprises: one or more plant growth substrates (1); one or more detectors (7) arranged to monitor nutrient levels of at least one of the plant growth substrates; at least one irrigation device (6) arranged to supply water to the plant growth substrates; and control means (9) connected to said detectors and said at least one irrigation device. The supply of water by the at least one irrigation device is controlled by the control means in dependence on the monitored nutrient levels. In this manner, the water and nutrient levels of the substrates can be accurately controlled.

Abstract: The present invention concerns a method and an apparatus for gravimetric metering of a powdery bulk material, said system comprising a storage container accommodating the bulk material, a feeding pipe for feeding bulk material from the storage container to a dosing container, a dosing discharge device for continuously discharging bulk material from the dosing container to a discharge pipe and on to a discharge line, wherein said dosing container is mounted on at least one weighing cell, and wherein the feeding pipe is provided with a first flexible tube member and the discharge pipe is provided with a second flexible tube member, and wherein the first flexible tube member comprises a first compensator and a second compensator with a tubular member there between.

Abstract: The invention provides a method of manufacture of man-made vitreous fibers (MMVF) comprising: providing a fiberizing apparatus, wherein the fiberizing apparatus comprises: a set of at least three rotors each mounted for rotation about a different substantially horizontal axis; wherein each rotor has a driving means; rotating the rotors; wherein the first rotor rotates to give an acceleration field of from 25 to 60 km/s2 and the second and third rotors each rotate to give an acceleration field of at least 125 km/s2, providing a mineral melt, wherein the melt has a composition comprising the following, expressed by wt of oxides: SiO2 in an amount of from 33 to 45 wt %, Al2O3 in an amount of from 16 to 24 wt %, an amount of K2O and/or Na2O, an amount of CaO and/or MgO, wherein the ratio of the amount of Al2O3 to the amount of SiO2 is in the range 0.34-0.

Abstract: A plant growth system is provided, which includes: one or more plant growth substrates comprising an MMVF slab and a single MMVF block; one or more detectors arranged to monitor at least one of the water and nutrient levels of at least one of the plant growth substrates; at least one irrigation device arranged to supply water and nutrients to the plant growth substrates; and control mechanism connected to said detectors and said at least one irrigation device. The supply of water and nutrients by the at least one irrigation device is controlled by the control mechanism in dependence on the monitored water and/or nutrient levels. In this manner, the water and nutrient levels of the substrates can be accurately controlled.

Abstract: The present disclosure relates to a prefabricated module for a pitched roof element comprising a frame made of at least two first beams being arranged in a distance and running parallel to each other and two second beams running rectangular to the first beams and being connected to the ends of the first beams forming a compartment into which a first layer of an insulation is inserted and a pitched roof element for a building roof made of at least two modules, each comprising a frame made of at least first beams being arranged in a distance and running parallel to each other and two second beams running rectangular to the first beams and being connected to the ends of the first beams forming a compartment into which a first layer of an insulation is inserted.

Abstract: A device (10) and method are provided for measuring the plant growth conditions within a substrate. A first and a second linear arrays of probes (16, 18) are used, allowing multiple measurements of properties of the substrate. Using multiple measurements at different levels in the substrate and then combining these multiple measurements, allows plant growth conditions to be accurately derived.

Abstract: A method of producing a sandwich panel core of mineral wool fibers from a cured mineral fiber product includes the steps of providing a cured mineral fiber product with a dual density having a top layer with mineral fibers with a first density and a base layer having mineral fibers with a second density, the second density is at least two times lower than said first density. The top layer and the base layer have different fiber orientations. Further steps including cutting the mineral fiber product into a plurality of lamellae, rotating the lamellae 90 degrees, and re-joining the lamellae so that the top layers with the first density are vertically oriented.

Abstract: A man-made vitreous fiber (MMVF) plant growth substrate is provided together with an irrigation strategy for providing water to the substrate. The substrate comprises a slab having a volume of 3 to 20 liters on which a single block containing one or more plants is disposed. In the context of this substrate, it is found that an irrigation strategy can be used which comprises a first period during which the desired water content in the slab is reduced to a minimum level before increasing and a second period during which the desired water content is maintained at a substantially constant level, wherein the difference between the minimum level and the constant level expressed as a percentage of the water content required to saturate the plant growth substrate is less than or equal to 25%. This provides excellent control over the balance between vegetative and generative growth in the plant.