Abstract: The invention relates to a construction sheet, in particular sub-roof sheet (1), in particular intended for use as an underlay sheet, preferably formwork sheet, and/or roof seal sheet, and/or facade sheet, with at least one carrier layer (2) designed as fire protection layer and at least one further layer (3), wherein the further layer (3) is designed as a further fire protection layer.

Abstract: A method is provided for the production of an active-breathing composite in the form of a web, consisting of a nonwoven made of synthetic material and a layer fully or mainly consisting of polyurethane for utilization as counter ceiling webs for roofs and as facade webs. PU or a mixture of materials with a high fraction of PU is heated to melting temperature and extruded on a nonwoven made of PP in order to form a diffusion-open coating of the PP nonwoven and then pressing the PP nonwoven in order to form an active-breathing composite.

Abstract: A studded membrane is proposed for the protection of buildings with a drainage and slip surface formed on the reverse side thereof. This ensures that water is drained between the studded membrane and the exterior surface of the building, between the studded membrane and the seal, between the studded membrane and the insulation.

Abstract: A vapor barrier for use in buildings, in particular for use in facades and/or in the rehabilitation of building roofs, wherein the barrier has a water vapor diffusion resistance (sd factor) of 0.4 to 1.9 m diffusion-equivalent air layer thickness which is constant over the entire surface area.

Abstract: The invention relates to a method for the production of an active-breathing composite in the form of a web, consisting of a nonwoven made of synthetic material and a layer fully or mainly consisting of polyurethane for utilization as counter ceiling webs for roofs and as façade webs. The invention aims at enabling production of said composite with good properties and greater economic viability. This is achieved in that PU or a mixture of materials with a high fraction of PU is heated to melting temperature and extruded on a nonwoven made of PP in order to form a diffusion-open coating of the PP nonwoven and then pressing the PP nonwoven in order to form an active-breathing composite.

Abstract: A studded membrane is proposed for the protection of buildings with a drainage and slip surface formed on the reverse side thereof. This ensures that water is drained between the studded membrane and the exterior surface of the building, between the studded membrane and the seal, between the studded membrane and the insulation.