Abstract: A module of fiber mats for insulating roofs, ceilings, walls, and floors of buildings is made of a plurality of fiber mats arranged adjacent to one another to form a rectangular body. At least one transverse rod is inserted into the adjacent fiber mats and penetrates at least partially the rectangular body. At least one fastening element cooperates with the transverse rod for connecting the module to the building, whereby a portion of the fastening element that extends into the module is in the form of a plate having a plurality of bores, distributed closely adjacent to one another in a random fashion over the surface of the plate, for receiving the transverse rod. The fastening element is in the form of an L-shaped member made from flat material, whereby a leg of the member extending parallel to the face of module is provided with a device for attaching the module to the building.

Abstract: A heat shielding cladding for walls, ceilings, or similar surfaces, especially of industrial furnaces, including butted together parallelepipedal modules that are secured to the wall and comprise a plurality of held together and compacted fiber mat webs that are prestressed in a direction parallel to the wall. Adjacent modules are held together in a permanently flexible bond on non-prestressed sides thereof by at least one filamentary, temperature-resistant binder that is guided, without kinking, from a surface of the heat shielding cladding that is remote from the wall to the wall.