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: 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.