Abstract: A molded ridge tile (1) made of bitumen-impregnated cellulose for covering a roof, and a method of applying the ridge tile to the roof. The ridge tile has an elongate shape in the length direction and includes transversely a downwardly concave symmetrical central portion (2) that is extended laterally and symmetrically on either side by two plane flanges (3) sloping laterally downwards beside the central portion, the flanges being carried by two planes that intersect with a downwardly facing internal angle between the flanges, the flanges being designed to be applied flat against two flat slopes of an upside-down V-shaped roof along the angular connection between the slopes, the slopes defining between them a determined ridge angle. In the absence of deformation stress, the internal angle between the flanges is 106 degrees±10 degrees, i.e. a flange angle relative to the horizontal of 37 degrees±5 degrees.

Abstract: Disclosed is a method of fabricating bitumen impregnated cellulose ridge tiles, each ridge tile having the general shape of a profiled ridge tile plate of cross-section symmetrical about a vertical longitudinal midplane and that includes a downwardly concave central ridge extended laterally on either side by a flat that terminates in a downwardly concave corrugation, the ridge tile further including a series of ribs at each longitudinal end, the panel being in the form of a section member of cross-section that is made up by juxtaposing at least two cross-sections, each identical to the cross-section of the ridge tile plate, with transverse ribs in the vicinity of the longitudinal ends of the panel and on either side of at least one virtual transverse separation line extending between longitudinal panel edges. The panel is cut along a longitudinal line between the juxtaposed ridge tile sections.

Abstract: A method of fabricating a roof-covering element out of molded cellulose impregnated with bitumen for roofing. In a first step, an element, preferably of cellulose, is made by hot compression molding in a mold, in a second step, once the element has a dry matter content of at least 60% when extracted from the mold, the element is covered in a pigmented varnish and dried, and in a third step, once the element has a dry matter content of at least 98%, the element is impregnated with hot bitumen. Specific operating conditions are given. The covering elements include in particular a ridge side portion, a ridge cap, a ridge-covering kit, a fillet or curb, and a hip.

Abstract: A molded ridge tile (1) made of bitumen-impregnated cellulose for covering a roof, and a method of applying the ridge tile to the roof. The ridge tile has an elongate shape in the length direction and includes transversely a downwardly concave symmetrical central portion (2) that is extended laterally and symmetrically on either side by two plane flanges (3) sloping laterally downwards beside the central portion, the flanges being carried by two planes that intersect with a downwardly facing internal angle between the flanges, the flanges being designed to be applied flat against two flat slopes of an upside-down V-shaped roof along the angular connection between the slopes, the slopes defining between them a determined ridge angle. In the absence of deformation stress, the internal angle between the flanges is 106 degrees±10 degrees, i.e. a flange angle relative to the horizontal of 37 degrees±5 degrees.

Abstract: Bitumen-impregnated cellulose fiber sheets include on one of their main surfaces, an adhesive primer layer, and, deposited on this adhesive primer layer, a fireproof coating including expandable graphite. In a preferred embodiment of the invention, the expandable graphite has a trigger temperature lower than 300° C. and the layer of expandable graphite corresponds to a dry matter basis weight of 80 to 140 g/m2. The sheets have a fire resistance fulfilling in particular the European Standard EN 13 501-5. They are mainly intended to be used as covering material, and in particular, as roof covering material.

Abstract: Drainage under a deck can be performed by a structure that includes hanging components and corrugated panels. For example, a hanging component can have connected first and second portions, with the first portion being connected to hang from one of the joists and extending downward to where it connects to the second portion, which is below the joist. The second portion can be connected to support of at least one of the panels from above. The upper surfaces of panels are sloped so that drainage occurs from a high part to a low part. The direction of slope and the direction of corrugations are not perpendicular, and can be approximately the same. The hanging components can, for example, be L-shaped brackets, U-shaped, or inverted T-shaped, and can be integrally formed by extrusion of plastic or can be metal. The panels can be corrugated plastic or metal sheets.

Abstract: A method of obtaining colored bituminous materials consisting of: applying onto at least one surface of the material to be treated, an aqueous coloring composition based on pigments and resin with a restricted range of solubility, drying the material coated with the coloring composition then impregnating it with bitumen.

Abstract: A method of producing roofing sealing material and roofing sealing material models includes producing a number of bitumen/polymers mixtures holding the polymers and bitumen identical in all of the mixtures and varying the respective percentages of the polymers from mixture to mixture.

Abstract: The invention consists of a method of obtaining colored bituminous materials consisting of:applying onto at least one surface of the material to be treated, an aqueous coloring composition based on pigments and resin with a restricted range of solubility,drying the material coated with the coloring compositionthen impregnating it with bitumen.

Abstract: The invention consists of a corrugating machine comprising a plurality of corrugating bars (6) fixed to an endless chain (5) rotatably driven and a plurality of support bars (13) for the material to be corrugated (10) driven in translation and perpendicular to their direction of movement, a part (42) of the endless chain being opposite the plane of said support bars, the corrugating bars and the corresponding support bars interpenetrating one another, wherein the corrugating bars (6) are movable in translation with respect to the endless chain (5), their movements being made approximately perpendicular to the plane of the support bars, when they are opposite said plane.

Abstract: A covering material having corrugations and having on one of its surfaces, hollowed areas (3) in the convex part (10) of the corrugations (2) for laying tiles.

Abstract: The invention consists of a machine for continuously reprofiling a corrugated material comprising:support bars (7) for the corrugated material, driven in translation and perpendicular to their direction of displacement,reprofiling bars (2) fixed to an endless chain (11) rotatably driven and movable in translation with respect to said chain (11),counter-forming bars (6) fixed to another endless chain (16), also rotatably driven, and movable in translation with respect to said chain (16),the profile of the counter-forming bars being complementary to that of the reprofiling bars, the reprofiling bars (2) and counter-forming bars (6) being positioned on either side of the plane of the support bars (7) in such a way that parts of said bars are opposite one another and the translation movements of the reprofiling and counter-forming bars opposite one another are made approximately perpendicular to the plane of the support bars.