Multi-layer intumescent fire protection barrier with...

E - Fixed Constructions – 04 – B

Patent

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E04B 1/94 (2006.01) B05D 7/00 (2006.01)

Patent

CA 2714099

An intumescent fire protection barrier in the form of an adhesive sheet or continuous roll of tape. The barrier comprises laminated layers of an intumescent material, a re-inforcing matrix, a pressure sensitive adhesive and a release liner. The intumescent material is adhesively applied to a structural steel substrate and expands by at least 10 times its original thickness during a fire to provide fire protection to the substrate. Multiple layers of the fire protection barrier may be installed on top of one another. This application method dramatically reduces installation time as compared with sprayed on fire protection coatings.

L'invention concerne une barrière intumescente de protection contre l'incendie se présentant sous la forme d'une feuille adhésive ou d'une bande continue en rouleau. La barrière comprend des couches stratifiées de matériau intumescent, une matrice de renfort, un adhésif sensible à la pression et une doublure détachable. Le matériau intumescent est appliqué de manière adhésive à un substrat en acier structurel et se dilate d'au moins 10 fois son épaisseur d'origine pendant un incendie pour fournir au substrat une protection contre l'incendie. Plusieurs couches de barrière de protection contre l'incendie peuvent être installées au sommet l'une de l'autre. Ce procédé d'application réduit fortement la durée d'installation en comparaison avec les couches de protection contre l'incendie pulvérisées.

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