Prefabricated roofing element

B - Operations – Transporting – 44 – F

Patent

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Details

B44F 9/04 (2006.01) E04D 3/32 (2006.01)

Patent

CA 2304026

The invention concerns a prefabricated roofing element in the form of a laminate consisting from its inner surface towards its outer surface exposed to poor weather conditions, of at least a first continuous layer constituting said element core based on a thermosetting binder and reinforcing materials, constituting said element core, of a second continuous protective coating layer, consisting of a mixture of at least a synthetic resin, a constituent staining in its volume said resin and a catalyst. Said roof cover element is characterised in that it further comprises at least a third discontinuous layer of paint unevenly distributed on the surface of the second layer and consisting of materials immiscible with the second layer constituents to form stains at the second layer surface.

L'invention concerne un élément de couverture de toiture préfabriqué se présentant sous forme d'un stratifié composé de sa face interne vers sa face externe exposée aux intempéries, d'au moins une première couche continue constituant l'âme dudit élément à base d'un liant thermodurcissable et de matériaux de renfort, d'une deuxième couche continue d'un revêtement de protection, constitué du mélange d'au moins une résine synthétique, d'un constituant teintant dans la masse ladite résine et d'un catalyseur. Cet élément de couverture est caractérisé en ce qu'il comporte en outre, au moins une troisième couche discontinue d'une peinture répartie de manière irrégulière à la surface de la deuxième couche et composée de matériaux non miscibles avec les constituants de la deuxième couche pour former à la surface de la deuxième couche des taches.

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