Cementitious trim articles
AssigneeJames Hardie Technology Limited
InventorsHong Chen, Chongjun Jiang, Jong Min Keum, Caidian Luo, Shan Ren, Daniel Jose Suasnabar, Bryan Louis Walters
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Abstract
Described herein is a monolithic cementitious article with one or more pre-formed shaped regions. The shaped regions are generally channels that extend through a portion of the article or span the full article. The article includes one or more openings at least one of its ends. The article has a low apparent density with a high strength as well as high performance characteristics. The article when manufactured is suitable for use as a building product, such as siding, panel, trim, fascia, roofing, crown molding, decking, and fencing.
Claims13
An article for a building structure comprising a monolithic cementitious matrix formed in the configuration of a trim, said cementitious matrix having two opposing longitudinal sides, a pre-formed shaped region disposed on one of the longitudinal sides, said pre-formed shaped region comprises a plurality of inflected regions and protruded regions which together define first and second elongate open channels extending in a direction parallel to the length of the cementitious matrix, wherein the other one of the longitudinal sides comprises a continuous planar surface, said cementitious matrix is nailable and comprises an end portion having at least one opening, wherein the article is non-load bearing and the thickness of the article, measured as the shortest distance between two generally planar surfaces, is about 3 inches or less.
Dependencies are inferred from the claim text.